N. Tsedendamba, D. Jo, W. Choi, and J. Kim, "Functional ultrasound and photoacoustic imaging system for vasculature analysis ", SPIE Photonics West 2025 - Photons Plus Ultrasound, San Francisco, CA, Jan. 2025.

M. Kim*, J. H. Han, J. Ahn, E. Kim, C. H. Bang, J. H. Lee, C. Kim, and W. Choi, "Non-invasive diagnosis of hypopigmentary disorders using photoacoustic imaging", SPIE Photonics West 2025 - Photons Plus Ultrasound, San Francisco, CA, Jan. 2025.

W. Choi, B. T. Cox, J. Grohl*, M. Shi, (on behalf of Members of IPASC), "The International Photoacoustic Standardization Consortium (IPASC): Open-Source Implementation and Systematic Comparison of Image Reconstruction Algorithms for Linear Array Transducers", SPIE Photonics West 2024 - Photons Plus Ultrasound, San Francisco, CA, Jan. 2024.

W. Choi*, "3D Clinical Photoacoustic and Ultrasonic Tomography for Structural and Functional Analysis", Optical Society of Korea (OSK) - Optics and Photonics Congress 2024, ICC Jeju, Jul. 2024.

W. Choi*, "3D Multiparametric Photoacoustic/ Ultrasound Tomography and Practical Image Correction Methods", The Korean Society of Medical & Biological Engineering (KOSOMBE) Fall Conference 2023, Korea University, Nov. 2023.

W. Choi*, "Overcoming the Physical and Practical Hurdles of Photoacoustic Imaging using Advanced Contrast Agents", The Korean Society for Biomaterials (KSBM) Fall Meeting 2023, Jeju Shinhwa World, Sep. 2023. 

W. Choi*, "AI-based Improvement of Biomedical Photoacoustic Images in Heterogeneous Media", The Korean Society of Molecular Imaging (KSMI) Spring Conference 2023, Seoul National University, May 2023. 

W. Choi, "Basics of Ultrasound Image Reconstruction", C5, Pohang University of Science and Technology (POSTECH), Aug. 2024.

W. Choi, "Ultrasound and Photoacoustic Dual-modal Imaging Technique for Cancer Theranostics", 2024 가톨릭대학교 암 연구소 & 가톨릭중앙의료원 기초의학추진사업단 합동 심포지엄, Jun. 2024.

W. Choi, "Photoacoustic Image Reconstruction and Practical Limiting Factors", Pusan National University, May 2024.

W. Choi, "Biomedical Ultrasound for Diagnostic and Therapeutic Applications", Korea Biomedical Engineering Student Association (KBESA), Gachon University, May 2024.

W. Choi, "Multi-modal Photoacoustic and Ultrasound Imaging for Diagnosis and Therapy Guidance", 2024-1학기 의생명건강과학과 최신의과학세미나 I, Mar. 2024.

W. Choi, "Multi-parametric Photoacoustic and Ultrasound Techniques for Diagnosis and Therapy", Industrial Seminar, Yonsei University - Mirae Campus, Nov. 2023.

W. Choi, "Multi-parametric Photoacoustic and Ultrasound Techniques for Diagnosis and Therapy", Advanced Biomedical Engineering Seminar, The Catholic University of Korea - College of Medicine, Apr. 2023.

W. Choi, Keynote Session on HIFU, International Congress of Hyperthermic Oncology (ICHO) 2025, The Catholic University of Korea - College of Medicine, Sep. 2025.

W. Choi and H. Yoon, Biomedical Ultrasound Session, KOSOMBE Spring Conference 2025, Jeju Island, May 2025.