Professor of Radiology
Harvard Medical School, USA
TABLE 1
Julie Price is the Director of PET Pharmacokinetic Modeling at the Athinoula A. Martinos Center for Biomedical Imaging. Her expertise is in PET methods for translational imaging of blood flow, glucose metabolism, and protein targets in studies of aging, neuropsychiatric disorders, and neurodegeneration.
Dr. Price received her PhD from the Johns Hopkins University and underwent postdoctoral training at the NIH. At the University of Pittsburgh (1994-2016), her research supported collaborative efforts to apply PET in studies of late-life mood disorders and sleep and to establish PET amyloid plaque imaging for Alzheimer’s disease (AD) research applications. At MGH, she continues efforts to advance PET imaging techniques that include methods to enable very early detection of AD-related amyloid and tau protein deposition, and use of multimodal imaging for translational neuroscience research.
Dr. Price’s honors include the Society of Nuclear Medicine and Molecular Imaging Paul C. Aebersold award (2025), Kuhl-Lassen award (2021), and selection as Fellow (2021). She is also Fellow of the American Institute for Medical and Biological Engineering (2023), Distinguished Investigator of the Academy for Radiology & Biomedical Imaging Research (2021).
Professor of Radiology and Biomedical Engineering
University of California, Davis, USA
TABLE 1
Ramsey Badawi is a Professor of Radiology and Biomedical Engineering in the Department of Radiology at UC Davis. He has served as Vice-Chair for Research for the Department of Radiology and Co-Director of the EXPLORER Molecular Imaging Center at UC Davis.
Originally trained in astronomy, he earned his BSc and MSc from the University of Sussex before completing doctoral training in PET physics in London. Following a postdoctoral fellowship at the University of Washington, he joined Dana-Farber Cancer Institute, where he helped establish its first clinical PET service, before moving to UC Davis in 2004.
Together with Simon Cherry, he conceived and co-led the development of EXPLORER, the world’s first total-body PET scanner, a technology that dramatically increased PET sensitivity and opened new possibilities for dynamic, low-dose, and systems-level human imaging. He continues to lead research in total-body PET, molecular imaging instrumentation, quantitative imaging, and translational applications across a wide range of diseases.
His research program has led major NIH-funded efforts in PET instrumentation and total-body imaging, including the original EXPLORER program, and spans collaborations across engineering, medicine, academia, and industry. His contributions have been recognized with honors including the 2025 UC Davis School of Medicine Hibbard Williams Extraordinary Achievement Award, and he was elected an IEEE Fellow in 2026.
Professor of Medical Imaging Physics
University of Sydney, Australia
TABLE 2
Steven Meikle is a Professor of Medical Imaging Physics and Head of the Imaging Physics Laboratory at the Brain and Mind Centre. He is also Deputy Director (Preclinical) of Sydney Imaging, the university's core research facility for biomedical imaging, and Deputy Director of the University of Sydney node of the National Imaging Facility.
He received his Bachelor of Applied Physics degree (Hons 1, University Medal) from the University of Technology, Sydney in 1988 and his Ph.D. degree from the Graduate School of Biomedical Engineering, University of New South Wales in 1995. He was a medical physicist at Royal Prince Alfred Hospital in Sydney (1987-2004), a visiting research associate at the Division of Nuclear Medicine and Biophysics, UCLA School of Medicine in Los Angeles (1991-2) and a post doctoral research scientist at the MRC Cyclotron Unit, Hammersmith Hospital in London (1995-6) before joining the University of Sydney in 2004.
Dr. Meikle is a Fellow of the Australian Institute of Physics, a Senior Member of the IEEE and an Honorary Professorial Fellow at the Centre for Medical Radiation Physics at the University of Wollongong. He is past President of the IEEE Nuclear and Plasma Sciences Society and serves on the Executive Editorial Board of the journal Physics in Medicine and Biology.
Professor of Radiology and Physics and Astronomy
University of Pennsylvania, USA
TABLE 2
Joel Karp is a Professor of Radiologic Physics in the Department of Radiology, and in the Department of Physics & Astronomy at the University of Pennsylvania. He is Chief of the Physics and Instrumentation Research Group in Radiology and directs Nuclear Medicine/PET Physics and QC in the clinic, as well as the Small Animal Imaging Facility Nuclear Medicine (PET/SPECT/CT) core.
He received his PhD in nuclear physics from MIT in 1980 and joined the faculty at Penn in 1983, and since then his research has focused on investigations to improve and characterize the performance of PET technology, including front-end electronics, detector design, data correction techniques, and 3D image reconstruction algorithms. This work has resulted in development of fully 3D PET scanners and innovative imaging systems based on various scintillation detectors, and some of these concepts have been implemented commercially for human and animal imaging. Dr. Karp has developed systems for time-of-flight (TOF) imaging, and his work with industry led to adoption of TOF in modern PET/CT scanners. Dr. Karp has been leading the team at Penn in the development of the large axial field-of-view PennPET Explorer instrument, which enables new opportunities for both clinical and research investigations.
His contributions have been recognized with the 2007 Ed Hoffman Memorial Award for outstanding achievements in nuclear medicine instrumentation. He has held numerous leadership roles within IEEE and SNMMI, including serving as Chair of the IEEE Nuclear Medical Imaging Sciences Council, and as Senior Editor of IEEE Transactions on Nuclear Science: Nuclear Medical Imaging Sciences. He has contributed extensively to the development of PET performance and quantitative imaging standards, including the widely adopted NEMA NU-2 standards.
Professor of Radiology
Harvard Medical School, USA
TABLE 3
Ciprian Catana received his M.D. degree from the University of Medicine and Pharmacy Targu-Mures, Romania and his Ph.D. in Biomedical Engineering from UC Davis in 2007. He is currently a Professor of Radiology at Harvard Medical School, Director of Integrated PET-MR and Molecular Imaging at the Athinoula A. Martinos Center, Radiology Department, Massachusetts General Hospital, and the Director of Research and Education, Mass General Brigham Radiology Physics.
Dr. Catana is an internationally recognized leader with extensive experience in quantitative PET/MR imaging, PET imaging technology development, and their applications in neuropsychiatry/neuroscience, cancer, cardiovascular, and lung disease. He leads an internationally recognized research program, funded by four NIH institutes and industry, focused on hybrid PET imaging. Recently, Dr. Catana has secured funding from the NIH and the Massachusetts Life Sciences Center Research Infrastructure Program to purchase and install a state-of-the-art long axial-field-of-view PET/CT scanner at the Martinos Center. He is currently leading the adoption of this breakthrough technology for research applications, particularly those focused on studying interconnected systems (e.g., brain-heart, brain-gut, heart-body) and processes across multiple organs (e.g., metabolism, inflammation).
Dr. Catana is the Chair of the Physics, Instrumentation and Data Sciences Advisory Committee, Past President of the Brain Imaging Council, and Elected Member of the Board of Directors of the Society of Nuclear Medicine and Molecular Imaging (SNMMI). He is also the Chair of the NIH Clinical Translational Imaging Science (CTIS) Study Section.
Professor of Translational Molecular Imaging
University of Edinburgh, UK
TABLE 3
Adriana Tavares is Professor and Personal Chair of Translational Molecular Imaging at the University of Edinburgh and Head of the Preclinical PET Facility at Edinburgh Preclinical Imaging. She graduated from the School of Health Technology of Porto (ESTSP-IPP), Portugal, with a Nuclear Medicine BSc (Hons.) degree in 2007. She earned an MSc in Biomedical Engineering from the University of Porto in 2009 and a PhD in radiotracer development from the University of Glasgow in 2011. Following her PhD, she worked as an Image Processing Analyst and later Imaging Consultant at Molecular NeuroImaging in New Haven, USA, before joining the University of Edinburgh.
Her research focuses on the development and translation of novel PET radiotracers, and quantitative methods for PET data analysis, including kinetic modeling and whole-body molecular imaging. She has secured major research funding from organizations including the Wellcome Trust, UKRI/MRC, and the Chan Zuckerberg Initiative, where she was one of only 15 researchers worldwide selected for an Imaging Scientist Award. She also co-led the successful UKRI/MRC initiative to establish the UK National Total-Body PET Facility.
She is the founder of the international “PET is Wonderful” initiative, serves on the Board of the European Society of Molecular Imaging, and is the preclinical lead for the UK PET Network. She is actively involved in mentoring and training the next generation of molecular imaging scientists and has established an internationally recognized research program.
Professor of Molecular Imaging
University of Glasgow, UK
TABLE 4
David Lewis is a Professor of Molecular Imaging at the University of Glasgow, a Group Leader at the Cancer Research UK Scotland Institute, and Head of its Translational Molecular Imaging Facility. He earned a first-class BSc in Pharmacology from the University of Glasgow and a PhD in Neuropsychopharmacology from the University of Strathclyde. Following his doctoral training, he pursued postdoctoral research at the University of Glasgow and Cancer Research UK Cambridge Institute, where he later became a Senior Postdoctoral Fellow and Research Associate at Corpus Christi College, University of Cambridge. In 2015, he was also a CRUK Visiting Scholar in the Molecular Imaging Program at Stanford University School of Medicine.
Dr. Lewis leads a multidisciplinary team of chemists, physicists, biologists, and mathematicians developing new approaches to visualize cancer biology in vivo. His research focuses particularly on cancer metabolism and the development of novel molecular tracers and quantitative imaging methods to understand how tumors use nutrients, respond to therapy, and interact metabolically with the rest of the body. He is a co-investigator on the international CANCAN Cancer Grand Challenges team, which received a £20 million award to investigate the mechanisms underlying cancer cachexia using advanced imaging approaches, including total-body PET.
His research has been recognized with honors including the EJNMMI Research Best Paper Award/EANM Springer Prize and an Industry Sponsored Award at the World Molecular Imaging Congress. He also serves on the Steering Board of CRUK RadNet and has played a major role in developing translational molecular imaging infrastructure and collaborations across the Cancer Research UK Scotland Institute and the wider Glasgow cancer research community.
Professor of Radiology
University of California, Davis, USA
TABLE 4
Abhijit Chaudhari is Professor of Radiology at UC Davis and Director of both the UC Davis Imaging Research Center and the Center for Molecular and Genomic Imaging. He is also a Core Scientist at the California National Primate Research Center. He received his B.Eng. in Electronics Engineering from the University of Pune, an M.S. in Electrical Engineering from California State University, Northridge, and both a Ph.D. in Electrical Engineering and an M.S. in Applied Mathematics from the University of Southern California. He joined the UC Davis faculty in 2010.
Dr. Chaudhari's research focuses on developing next-generation in vivo medical imaging methods, particularly PET and MRI, to study musculoskeletal, systemic, and neurological disorders. His multidisciplinary program spans imaging instrumentation, acquisition and reconstruction, quantitative image analysis, computational imaging, and machine learning. His laboratory has pioneered advanced real-time MRI approaches for studying joint motion and biomechanics and is using total-body PET/CT and whole-body MRI to investigate systemic inflammation and musculoskeletal disease. His research has been supported by the NIH, NSF, National Psoriasis Foundation, and other organizations.
His contributions have been recognized with the IEEE Nuclear and Plasma Sciences Society Bruce Hasegawa Young Investigator Award, an NIH Building Interdisciplinary Research Careers in Women's Health (BIRCWH) Scholar Award, and, most recently, designation as a 2025 Distinguished Investigator by the Academy for Radiology and Biomedical Imaging Research. He has also received a Young Investigator Award for research on musculoskeletal sex differences and was a co-recipient of an RSNA Cum Laude Award. In his leadership roles at UC Davis imaging centers, he has helped support multidisciplinary imaging research across engineering, basic science, and clinical medicine.
Associate Professor of Biomedical Engineering and Neurology
University of California, Davis, USA
TABLE 5
Audrey Fan is an Associate Professor of Biomedical Engineering and Neurology at the University of California, Davis, where she leads the Functional Advanced Neuroimaging (FAN) Laboratory and co-leads the Imaging Core of the UC Davis Alzheimer’s Disease Research Center. She received her B.S. in Electrical Engineering and Biological Sciences from Stanford University and her Ph.D. in Electrical Engineering and Computer Science from MIT. She subsequently completed postdoctoral training and served as an Instructor in Radiology at Stanford University before joining the UC Davis faculty.
Dr. Fan develops advanced multimodal imaging methods to understand the vascular and physiological basis of neurological disease. Her research combines quantitative MRI, PET/MRI, biophysical modeling, and computational approaches to measure cerebral blood flow, oxygenation, metabolism, and vascular function, with applications in stroke, cerebrovascular disease, aging, and dementia. Her work emphasizes translating new imaging technologies into patient studies and developing biomarkers that can enable earlier diagnosis and better selection of therapies.
Her research career has been supported by several competitive NIH awards, including an NINDS K99/R00 Pathway to Independence Award, an NIBIB Trailblazer R21 Award, and an NIH R01 focused on imaging vascular contributions to dementia. Her honors also include recognition as an Academy for Radiology & Biomedical Imaging Research Early Career Investigator, an ISMRM Junior Fellow and Outstanding Teacher, and an NSF Graduate Research Fellow. In 2024, she received the UC Davis Graduate Program Advising and Mentoring Award, recognizing her contributions to graduate mentorship.
Professor of Medical Physics
Aarhus University, Denmark
TABLE 5
Ole Munk is a Professor of Medical Physics at the Department of Clinical Medicine at Aarhus University and the Department of Nuclear Medicine and PET at Aarhus University Hospital.
He received his M.Sc. degree in Physics and Computer Science in 1998 and his PhD degree in Medicine in 2004 from the Aarhus University. He subsequently trained as a medical physicist and worked as a Medical Physics Expert at Aarhus University Hospital, before being appointed as a Professor of Medical Physics in the Department of Clinical Medicine at Aarhus University in 2024.
His work involves developing data science techniques to extract quantitative information from PET images for use in research and clinical practice. Besides research, he supervises B.Sc, M.Sc, and PhD students. The projects range from enhancing PET image quality with AI-based motion correction, developing new kinetic models for physiological imaging, and new techniques for studying multi-organ interactions. Additionally, he contributes to other research projects and clinical work in Nuclear Medicine.
Professor of Medical Imaging Physics
University College London, UK
TABLE 6
Kris Thielemans is a Professor of Medical Imaging Physics at the Institute of Nuclear Medicine, University College London (UCL). He received his PhD in Theoretical Physics (Superstring Theory) from KU Leuven in 1994 and subsequently moved into medical imaging research at the MRC Cyclotron Unit at Hammersmith Hospital. From 2001 to 2011, he worked in the medical imaging industry at GE Healthcare/GE Research, where he led the international team that developed Q.Freeze™, the first commercial solution for respiratory motion correction in PET/CT. He later returned to academia and joined UCL.
Dr. Thielemans’ research focuses on quantitative PET and SPECT, including image reconstruction, motion detection and correction, PET/CT and PET/MR, and synergistic reconstruction of multimodality data, with a strong emphasis on translating methodological advances into practice through academic–industry collaboration. He is internationally recognized for his leadership in open-source medical imaging software and is the lead developer and long-term maintainer of STIR (Software for Tomographic Image Reconstruction). He is also a principal leader of the Synergistic Image Reconstruction Framework (SIRF) for PET, SPECT, and MR.
More recently, Dr. Thielemans has co-led the Emission Tomography Standardization Initiative (ETSI), an international effort to develop standards for PET raw data and improve interoperability and reproducibility. He has authored more than 120 peer-reviewed publications, contributed to hundreds of conference presentations, and holds numerous patents. His career spanning academic research, industrial R&D, open-source software development, and scientific leadership provides a unique perspective on career transitions and collaborations between academia and industry.
Professor of Physics of Medical Imaging
Medical University of Vienna, Austria
TABLE 6
Thomas Beyer is Professor of Physics of Medical Imaging at the Medical University of Vienna. He holds a PhD in Physics and an MBA in Innovation and Entrepreneurship. He is a co-developer of the world’s first combined PET/CT system, a development that helped establish hybrid imaging as a major field in diagnostic imaging. His career has spanned both academia and industry, including positions at Timaq Medical Imaging and Philips Medical Systems, as well as running a Zurich-based consulting company focused on multimodality imaging before joining the Medical University of Vienna.
Dr. Beyer’s research focuses on hybrid and quantitative imaging, particularly PET/CT and PET/MR, with interests spanning imaging physics, technology development, standardization, and clinical translation. His work has consistently bridged academic research and commercial technology development, and he has extensive experience in multidisciplinary and cross-sector collaborations.
Dr. Beyer has held numerous leadership roles in the international imaging community. He was a founding member of the European Association of Nuclear Medicine (EANM) Physics Committee, a founding board member of the European Society of Hybrid Imaging (ESHI), and former Head of the New Technology Working Group of the Association of Imaging Producers and Equipment Suppliers (AIPES). His career across academia, industry, consulting, and entrepreneurship provides a particularly valuable perspective on navigating career transitions between sectors.
Senior Director of PET Detector Center R&D
Siemens Healthineers, USA
TABLE 7
Martin Judenhofer is Senior Director of PET Detector R&D at Siemens Healthineers. He studied mechatronics and medical engineering and completed his doctoral training in Medical Technology at the University of Tübingen, graduating summa cum laude. His doctoral research focused on the development of one of the earliest systems for simultaneous PET/MRI. During his training, he also conducted research in Simon Cherry’s laboratory at UC Davis, contributing to foundational work in MR-compatible PET detector technology.
He subsequently returned to UC Davis as a postdoctoral researcher and research scientist, where his work focused on advanced PET instrumentation and detector development, including early work that contributed to the EXPLORER total-body PET program. His contributions to PET instrumentation were recognized with the 2013 IEEE NPSS Bruce Hasegawa Young Investigator Medical Imaging Science Award. He has authored numerous publications and patents spanning PET detector technology, PET/MRI, and advanced molecular imaging instrumentation.
In 2017, Dr. Judenhofer transitioned to Siemens Healthineers, where he has progressed through scientific and R&D leadership roles and now leads PET detector research and development. His career spanning academic instrumentation research and commercial technology development provides a valuable perspective on translating imaging innovations into clinical products and building a career in industry R&D.
Clinical Research Scientist of Molecular Imaging
GE Healthcare, France
TABLE 7
Zacharias Chalampalakis is a Clinical Research Scientist at GE HealthCare. He studied Physics at the National and Kapodistrian University of Athens and earned an MSc in Medical Physics from the University of Aberdeen. He subsequently completed clinical scientist training in the UK, earning an MSc in Clinical Science from the University of Liverpool, and worked as a medical physicist at the PET Centre at King’s College London. He later completed his PhD at Université Paris-Saclay, where his research focused on PET/MR image reconstruction.
Dr. Chalampalakis subsequently joined the Medical University of Vienna, where his research spanned quantitative PET and PET/MR, including advanced image reconstruction, motion correction, pharmacokinetic imaging, and total-body PET. His background combines hands-on clinical medical physics with the development and application of advanced quantitative imaging methods, providing experience across both clinical practice and academic imaging research.
He later transitioned to industry and joined GE HealthCare in France, where he currently works in clinical research, helping bridge advanced imaging technology development with clinical and research applications. His career across clinical medical physics, academic research, and industry provides a valuable perspective on the diverse career opportunities available to imaging scientists and on translating imaging innovations into clinical practice.
Senior Director of Scientific Collaborations
United Imaging North America, USA
TABLE 8
Yihuan Lu is Senior Director of Scientific Collaborations at United Imaging Healthcare. He earned his bachelor’s degree in engineering from Nanjing University of Posts and Telecommunications and his PhD in Electrical Engineering from Stony Brook University, where his doctoral research focused on SPECT and X-ray breast tomosynthesis. He subsequently joined the Yale PET Center as a postdoctoral associate and later became faculty, developing advanced quantitative PET methods.
During his academic career at Yale, Dr. Lu’s research focused on PET image reconstruction, motion detection and correction, quantitative imaging, and the application of deep learning to PET. In recognition of his contributions to quantitative imaging physics in PET, SPECT, and X-ray tomosynthesis, he received the prestigious IEEE Bruce H. Hasegawa Young Investigator Medical Imaging Science Award in 2020.
In 2021, Dr. Lu transitioned to United Imaging Healthcare, where he now leads scientific collaborations involving advanced molecular imaging technologies, including quantitative and total-body PET. His role bridges technology development, academic research, and clinical translation, fostering collaborations between industry and research institutions. His career progression from engineering and academic PET research to scientific leadership in industry provides a valuable perspective on career opportunities in medical imaging and building successful academia–industry partnerships.
Molecular Imaging Scientific Relationship Director
Siemens Healthineers, USA
TABLE 8
Steven Kohlmyer is a Molecular Imaging Scientific Relationship Director at Siemens Healthineers with more than three decades of experience spanning academic PET research, medical imaging technology development, clinical research, product strategy, and industry leadership. He earned an M.S. in Physics from the University of Washington, where he spent more than a decade in the Department of Radiology’s Imaging Research Laboratory. During this time, he progressed from engineering roles to Research Scientist, developing PET hardware and software, supporting clinical imaging research, and contributing to scientific publications and NIH grant applications.
He subsequently joined GE Healthcare, where he spent more than 14 years in a wide range of technical and leadership positions, including PET Systems Engineer, Global Product Manager for Radiation Oncology, CT Clinical Scientist, and Global Manager of PET/CT Research and Product Development. His work spanned PET/CT technology development, academic–industry research collaborations, clinical evaluation of emerging imaging technologies, product strategy, and commercialization. He later moved into entrepreneurial and executive roles, serving as Chief Technology Officer at Imbio and Vice President of Research & Clinical Collaborations at MaxQ AI, followed by a senior clinical research leadership role at Varian Medical Systems.
In 2024, Dr. Kohlmyer joined Siemens Healthineers as Molecular Imaging Scientific Relationship Director, where his work focuses on scientific partnerships and collaborations in molecular imaging. His career illustrates the breadth of opportunities available to scientists in industry, spanning engineering and R&D, clinical research, product development, commercialization, startup leadership, and scientific collaborations. His experience provides a valuable perspective on building a long-term industry career and navigating transitions between technical, commercial, and leadership roles.
Associate Professor of Radiology
University of Alabama Birmingham, USA
CEO and Co-Founder
CytoSite Biopharma Inc., USA
TABLE 9
Benjamin Larimer is an Associate Professor of Radiology at the University of Alabama at Birmingham (UAB) and co-founder and CEO of CytoSite Bio. He earned his B.S. and Ph.D. in Biochemistry from the University of Missouri and subsequently completed postdoctoral training in molecular imaging at Massachusetts General Hospital and Harvard Medical School. His interdisciplinary background spans biochemistry, immunology, molecular imaging, and translational medicine.
Dr. Larimer’s research focuses on developing PET imaging agents that measure immune function in vivo, with particular emphasis on granzyme B imaging as a marker of active T-cell and immune responses. His work initially focused on predicting and monitoring responses to cancer immunotherapy and has expanded to applications in autoimmunity, inflammation, and other immune-mediated diseases. His research has been supported by the NIH, Department of Defense, and Stand Up To Cancer, and he is a recipient of the prestigious NIH Director’s New Innovator Award (DP2).
Dr. Larimer co-developed the granzyme B imaging technology underlying CytoSite Bio and has helped advance it from preclinical discovery through first-in-human studies and commercial development. As both an academic investigator and biotech founder and CEO, his career bridges basic discovery, translational imaging, clinical research, and entrepreneurship, providing a valuable perspective on bringing new molecular imaging technologies from the laboratory toward clinical use.
Therapeutic Area Lead
PSI CRO, Switzerland
TABLE 9
Luke Bird is a Therapeutic Area Lead at PSI CRO, with a professional background spanning medical physics, academic research, and clinical drug development. He trained at the University of Birmingham and is a registered Clinical Scientist with the UK Health and Care Professions Council. Earlier in his career, he worked in imaging and radiation research at the University of Oxford, contributing to multidisciplinary research involving radiotherapy, MRI, and image-guided treatment.
Building on his clinical and academic imaging experience, Luke transitioned into the contract research organization (CRO) sector, where his work has focused on the design and delivery of clinical trials and the translation of emerging therapies into clinical development. His role brings together scientific, clinical, and operational perspectives, working across multidisciplinary teams and with pharmaceutical and biotechnology sponsors to support clinical research programs.
As a Therapeutic Area Lead at PSI CRO, Luke contributes scientific and therapeutic expertise to the development and execution of clinical trials across international research programs. His career provides a valuable perspective on the role of CROs in drug development and on career opportunities for scientists outside traditional academic, hospital, and pharmaceutical-company settings.
Assistant Professor of Radiology
University of California, Davis, USA
TABLE 10
Brahim Mehadji is an Assistant Professor and clinical medical physicist in the Department of Radiology at UC Davis. He earned a B.S. in Mathematics and Informatics from the University of Grenoble, followed by M.S. degrees in Biomedical Engineering and Medical Physics and a Ph.D. in Instrumentation Physics from Aix-Marseille University. His clinical training included residencies in Nuclear Medicine/Radiology and Radiation Oncology at Assistance Publique–Hôpitaux de Marseille. He joined UC Davis as a postdoctoral scholar in 2023, subsequently became a Medical Physics Specialist, and joined the faculty in 2025. He is certified by the American Board of Science in Nuclear Medicine (DABSNM).
Dr. Mehadji’s clinical and research work focuses on nuclear medicine physics, quantitative imaging, theranostics, radiation detector development, Monte Carlo simulation, and patient-specific dosimetry. At UC Davis, he has played a central role in commissioning and implementing new PET/CT and SPECT/CT systems and has developed quantitative Y-90 radioembolization dosimetry workflows. His research includes novel technologies for image-guided surgery and interventions, personalized Y-90 treatment planning, and advanced radiation therapy. He leads an NIH/NIBIB R03 developing a laparoscopic PET imaging probe and is co-PI of an NIH/NCI R21 investigating perfusion CT-based prediction of Y-90 microsphere distribution and dosimetry.
Since establishing his independent research program, Dr. Mehadji has secured competitive research and equipment funding, including NIH, UC Davis STAIR, and safety innovation awards, and has filed multiple international patent applications for novel imaging technologies. He is also deeply involved in education and mentoring and made a major contribution to developing the UC Davis Health Diagnostic Imaging Medical Physics Residency Program and its CAMPEP accreditation application. His career integrating clinical medical physics, technology development, NIH-funded research, teaching, and translational innovation provides a valuable perspective on both traditional and research-intensive career pathways in medical physics.
Professor of Medical Technology and Medical Physics
Leipzig University Hospital, Germany
TABLE 10
Bernhard Sattler is Professor of Medical Technology and Medical Physics and Head of Medical Physics and Radiation Protection in the Department of Nuclear Medicine at Leipzig University Hospital. He graduated in Electrical and Biomedical Engineering from the Technical University of Ilmenau in 1994 and received his doctorate in 2000. He subsequently qualified as a Medical Physics Expert and board-certified medical physicist in nuclear medicine, with expertise in radiation protection and molecular imaging.
Dr. Sattler has nearly three decades of experience in nuclear medicine physics, with particular expertise in radiopharmaceutical dosimetry and cross-modality hybrid molecular imaging. His clinical and research work spans PET/CT, PET/MRI, SPECT/CT, quantitative molecular imaging, radiation dosimetry, and radiation protection. He has been closely involved in the development, evaluation, and clinical implementation of advanced hybrid imaging technologies and in translating new imaging methods into routine clinical practice.
In parallel with his clinical and research activities, Dr. Sattler has made extensive contributions to medical physics education, professional training, and international collaboration. He has taught medical physics and radiation protection throughout his career and contributes to national and international training curricula. He is actively involved in professional organizations and educational initiatives, including activities with the European Federation of Organisations for Medical Physics (EFOMP) and the International Atomic Energy Agency (IAEA). His career provides broad experience in clinical medical physics, academic research, professional certification, and the training of the next generation of medical physicists.