Curriculum Vita

Juan D. Castro, Ph.D.

RF/Microwave Engineer | Researcher

Center for Wireless and Microwave Information Systems (WAMI Center)

RF-MEMs Transducers Lab., College of Engineering, Electrical Engineering Department

4202 East Fowler Avenue, ENB 118.

University of South Florida, Tampa, FL. 33620

juan.castro@ieee.org / LinkedIn / Google Scholar / Researchgate / @_juandcastro_

EXPERTISE

▪ Microwave circuits ▪ Antennas ▪ Composite materials ▪ mm-wave ▪ Additive manufacturing (AM).

EDUCATION

▪ University of South Florida (USF), Ph.D. in Electrical Engineering , (2017), Tampa, FL., USA.

Ph.D. Dissertation: “Engineered Nanocomposite Materials for Microwave/Millimeter-Wave Applications of Fused Deposition Modeling”.

Major Professor: Jing Wang, Ph.D.

▪ University of South Florida (USF), M.Sc. in Electrical Engineering, (2014), Tampa, FL., USA.

▪ Autonomous University of Baja California, (UABC), Master of Business Administration (M.B.A), (2011), Tijuana, B.C., Mexico.

▪ Autonomous University of Baja California, (UABC), B.S. in Electrical Engineering (summa cum laude), (2005), Ensenada, B.C., Mexico.

RESEARCH APPOINTMENTS

Graduate Research Assistant, Center for Wireless and Microwave Information Systems (WAMI Center), University of South Florida, electrical engineering department, Tampa, FL. (fall 2012 - spring 2017).

TEACHING APPOINTMENTS (GRADUATE LEVEL)

EEL 6935- (3cr.hr) (Advanced Integrated Circuit Technology), University of South Florida, College of Engineering, (spring 2014 / spring 2015 / spring 2016).

EEL 5356- (3cr.hr) (Integrated Circuit Technology), University of South Florida, College of Engineering, (fall 2014 / fall 2015).

EEL 4423L/ EEL 5936- (3cr.hr) (Wireless Circuits & Systems Design laboratory), University of South Florida, College of Engineering, (spring 2013).

PROFESSIONAL EXPERIENCE

  • Senior Application Engineer / HF, at ANSYS, Inc., Irvine, CA., (March 2021 - present).

    • Application Engineer II / HF, at ANSYS, Inc., Irvine, CA., (October 2018- March 2021).

  • Senior Electronics Engineer, Cummins, Inc., Columbus IN., (June 2017- September 2018).

  • RF/Microwave Engineer / Microwave Materials Scientist, WAMI Center, USF, Tampa, FL. (August 2012-July 2017).

  • RF/Microwave Engineer, Cummins Inc., Columbus IN., (Summer 2016 Internship).

  • Sr. Quality Engineer, NYPRO Healthcare (Jabil), Greater San Diego CA. Area, (2011-2012).

  • Quality Control Supervisor, Medtronic, Greater San Diego CA. Area, (2008-2011).

  • Quality Control Engineer, PANASONIC, Greater San Diego CA. Area, (2007-2008).

  • Founder & Wireless Consultant, LC-net, Greater San Diego CA. Area, (2005-2007).

REFEREED JOURNAL PUBLICATIONS

  1. K.Church, N.Crane, P. Deffenbaugh, T. P. Ketterl , C. Neff, P. Nesbitt, J. Nussbaum, C. Perkowski, H. Tsang , J.Castro, J.Wang and T. Weller, “Multi-Material and Multi-Layer Direct Digital Manufacturing of 3D Structural Microwave Electronics,” Proceedings of the IEEE, vol. 105, issue. 4, pp. 1-14, April (2017). DOI: 10.1109/JPROC.2017.2653178

  2. J. Castro, E.Rojas, A.Ross, T. Weller, and J. Wang, “Fabrication, Modeling, and Applications of Ceramic-Thermoplastic Composites for Fused Deposition Modeling of Microwave Components,” IEEE Trans. On Microwave Theory and Techniques, vol. 65, issue. 6, pp. 2073 - 2084 , June (2017). DOI: 10.1109/TMTT.2017.2655057

  3. J. Castro, E.Rojas, T. Weller, and J. Wang, “High-Permittivity and Low-Loss Electromagnetic Composites Based on Co-Fired Ba0.55Sr0.45TiO3 or MgCaTiO2 Micro-Fillers for Additive Manufacturing and Their Application to 3D-Printed K-Band Antennas,” Journal of Microelectronics and Electronic Packaging, vol. 13, no.3, pp. 102-112, July (2016). DOI: HTTP://DX.DOI.ORG/10.4071/IMAPS.509

REFEREED CONFERENCE PROCEEDINGS

  1. J.D.Castro, S.Singh, A.Arora, S.Louie, and D.Senic, “Enabling Safe Autonomous Vehicles by Advanced mm-Wave Radar Simulations,”IEEE MTT-S International Microwave Symposium (IMS 2019), Boston, MA, June. (2019) . Video Link.

  2. D.Lugo, R.Ramirez, J. Castro, J. Wang, and T.Weller, “Ku-band Additive Manufactured Multilayer Dielectric Rod Waveguide,” IEEE MTT-S Wireless and Microwave Technology Conference (WAMICON 2017) IEEE 17th Annual, Cocoa, Beach FL), p. 1-3, April (2017). DOI: 10.1109/WAMICON.2017.7930260

  3. J. Castro, E.Rojas, T. Weller, and J. Wang, “High-k and Low-Loss Electromagnetic Composites for Direct Digital Manufacturing of mm-wave Devices,” IEEE Antennas and Propagation Society International Symposium (APSURSI), p. 897-898, July (2017). DOI: 10.1109/APUSNCURSINRSM.2017.8072491

  4. D.Lugo, R.Ramirez, J. Castro, J. Wang, and T.Weller, “3D Printed Multilayer mm-wave Dielectric Rod Antenna with Enhanced Gain,” IEEE Antennas and Propagation Society International Symposium (APSURSI), p. 12747-1248, July (2017). DOI: 10.1109/APUSNCURSINRSM.2017.8072666

  5. J. Castro, E.Rojas, A.Ross, T. Weller, and J. Wang, “High-k and Low-Loss Thermoplastic Composites for Fused Deposition Modeling and their Application to 3D-Printed Ku-Band Antennas,” IEEE MTT-S International Microwave Symposium (IMS 2016), San Fransisco, CA., May. (2016). DOI: 10.1109/MWSYM.2016.7540068

  6. J. Castro, E.Rojas, T. Weller, and J. Wang, “Engineered Nanocomposites for Additive Manufacturing of Microwave Electronics,” 48th. International Symposium on Microelectronics (IMAPS 2015), Orlando FL.,October (2015). DOI: HTTP://DX.DOI.ORG/10.4071/ISOM-2015-WA12

  7. J. Castro, T. Weller, and J. Wang, “An Improved Fabrication Method of High-k and Low-Loss Polymer Composites with Sintered Ceramic Fillers for Microwave Applications,” IEEE MTT-S International Microwave Symposium (IMS 2015), Phoenix, AZ, May. (2015). DOI:10.1109/MWSYM.2015.7167094

  8. J. Castro, E.Rojas, T. Weller, and J. Wang, “High-k and Low-Loss Polymer Composites with Co-Fired Nd and Mg-Ca Titanates for 3D RF and Microwave Printed Devices: Fabrication and Characterization,” IEEE MTT-S Wireless and Microwave Technology Conference (WAMICON 2015), Cocoa Beach FL., April. (2015). DOI:10.1109/WAMICON.2015.7120410

  9. M.Abdin, J. Castro, J. Wang, T. Weller, “Miniaturized 3D Printed Balun using High-k Composites,” IEEE MTT-S Wireless and Microwave Technology Conference (WAMICON 2015), Cocoa Beach FL., April. (2015). DOI:10.1109/WAMICON.2015.7120428

  10. J.O’Brien, M.Córdoba-Erazo, E.Rojas, J. Castro, M.Abdin, G.Mumcu, J. Wang, K.Church, P.Deuffenbaugh, and T. Weller, “Miniaturization of Microwave Components and Antennas Using 3D Manufacturing,” The 9th European Conference on Antennas and Propagation (EuCAP 2015), Lisbon Portugal, Apr. (2015). ISBN: 978-8-8907-0185-6

  11. J.Castro, C. Morales, T. Weller, J. Wang, and H. Srikanth, "Synthesis and characterization of low-loss Fe3O4-PDMS magneto-dielectric polymer nanocomposites for RF applications," Wireless and Microwave Technology Conference (WAMICON), 2014 IEEE MTT-S 15th Annual , vol., no., pp.1,5, 6-6 June (2014), Tampa, FL, DOI: 10.1109/WAMICON.2014.6857768.

CONFERENCE PRESENTATIONS

  1. Castro, J.; Rojas,E.; A.Ross; Weller, T., and Wang, J. “High-k and Low-Loss Thermoplastic Composites for Fused Deposition Modeling and their Application to 3D-Printed Ku-BandAntennas,”IEEE MTT-S InternationalMicrowave Symposium (IMS 2016), San Fransisco, CA., May. (2016).

  2. Castro, J.; Rojas,E; Ross, A; Weller, T. and Wang, J.;, “Design of a 3D Printed Image-Reject Hairpin BandpassFilters Based on Novel High-k and Ultra Low-loss Electromagnetic Composites,” 8th USF College of Engineering, Research Day, Tampa FL., November 5th., (2015).

  3. Castro, J.; Rojas, E.; Weller, T.; and Wang, J.,“Engineered Nanocomposites for Additive Manufacturing of Microwave Electronics,” 48th. International Symposium on Microelectronics (IMAPS 2015), Orlando FL.,October 28th. (2015).

  4. Castro, J.;Weller, T.; and Wang, J., “An Improved Fabrication Method of High-k and Low-Loss Polymer Composites with Sintered Ceramic Fillers for Microwave Applications,” IEEE MTT-S International Microwave Symposium (IMS 2015), Phoenix AZ, May.20th. (2015).

  5. Castro, J.; Rojas, E.; Weller, T.; and Wang, J., “High-k and Low-Loss Polymer Composites with Co-Fired Nd and Mg-Ca Titanates for 3D RF and Microwave Printed Devices: Fabrication and Characterization,” IEEE MTT-S Wireless and Microwave Technology Conference (WAMICON 2015), Cocoa, Beach FL., April. 13th. (2015).

  6. Castro, J.; Wang, J.; and Weller, T., “Miniaturization of Antennas Using a Tunable High-k and Low-loss Polymer-Ceramic Engineered Substrates,” 7th USF College of Engineering, Research Day, Tampa FL., November 19, (2014).

  7. Castro, J.; Cure, D.;Wang,J.; Weller, T., “Development and Characterization of High-Permittivity and Low-Loss Polymer-Ceramic Composite Substrates for RF and Microwave Applications”, Hispanic Engineer National Achievement Awards Corporation Conference (HENAAC), 2014 HENAAC 26th Annual, Great Minds in STEM, New Orleans, Louisiana, October 3, (2014).

  8. Castro, J.; Morales, C.; Weller, T.; Wang, J.; Srikanth, H., "Synthesis and characterization of low-loss Fe3O4-PDMS magneto-dielectric polymer nanocomposites for RF applications," IEEE MTT-S Wireless and Microwave Technology Conference (WAMICON 2014), IEEE 15th Annual , June 6, (2014), Tampa, FL.

  9. Castro, J; Morales, C.; Dewney,J; Stojak, K; Weller,T; and Wang, J. “Antenna Miniaturization and Bandwidth Enhancement Using a Novel PDMS-Fe3O4 Magneto-Dielectric Polymer Nanocomposite Engineered Substrate”. 6th USF College of Engineering, Research Day, Tampa FL., November 6, (2013).

HONORS AND AWARDS

  1. 2017 Dissertation fellowship of the honors society of Phi Kappa Phi. (10 awardees USA).

  2. 2016 Best student paper award, applied physics / electrical and computer engineering category, SHPE Engineering Science Symposium, Seattle WA. November 4th. (2016).

  3. 2016-2017 SHPE ATC Scholarship from the Society of Hispanic Professional Engineers (SHPE), Los Angeles, CA, August 30th. (2016).

  4. 2016 IEEE Microwave Theory and Techniques Society (MTT-S) Graduate Fellowship Award, San Francisco CA, May 26th. (2016), IEEE MTT-S link. (12 awardees worldwide).

  5. 2015 USF College of Engineering Research Week Graduate Technical Poster Award, (top 10 among 80 presenters), Tampa Fl. Nov. 9th. (2015).

  6. 2015, USF-Electrical Engineering Department Teaching Assistant Excellence Award (2015).

  7. 2015, Love of Learning Grant Award by the Phi Kappa Phi Honor Society, (awarded among 400 applicants), May (2015).

  8. 2015, Nominated for the Best Student Conference Paper Award, (top 3 among 65 presenters), IEEE MTT-S Wireless and Microwave Technology Conference (WAMICON 2015) IEEE 16th Annual, Cocoa, Beach FL., April. (2015).

  9. 2014, Technical Poster Award, (Honorable Mention, top 10 among 125 participants), by 7th USF College of Engineering, Research Day, Tampa FL., November 19, (2014).

  10. 2014, Technical Poster Award, (1st. Place Graduate STEM category, among 50 presenters),(HENAAC / Great Minds in STEM) October 2014, New Orleans Louisiana, (2014).

  11. 2014, Member of the Phi Kappa Phi Honor Society (USF Chapter 126), April 2014, USF Tampa, FL, (2014).

  12. 2012, Ph.D. Fellowship award at USF by (The Mexican National Council for Science and Technology), (CONACYT), June 2012, Mexico City, (2012).

  13. 2009, M.B.A. Fellowship award by (UABC), February 2009, Tijuana, B.C. Mexico, (2009).

  14. 2005, B.S.E.E. (summa cum laude), GPA: 4.0/4.0 by (UABC), May 2005, Ensenada, B.C. Mexico, (2005).

PROJECTS

  1. Dissertation research on additive manufacturing of 3D printed analog RF/microwave circuits based on advanced engineered electromagnetic nanocomposite materials (fall 2012 – Current). Publications Link.

  2. 2-20 GHz, Monolithic dual gate GaAs low noise distributed amplifier (MMIC Design), (fall 2013).

  3. 1.9 GHz, Low Noise Amplifier design, development, and S-Parameter and Noise Figure Measurements. (spring 2014).

  4. 3.5 GHz, Hybrid Class-AB High-Efficiency GaN Power Amplifier, with 10.71W and 62.8% PAE. (fall 2014).

ATTENDED CONFERENCES

  1. 2016, IEEE MTT-S International Microwave Symposium (IMS 2016), (22-27 May 2015, San Francisco, CA.).

  2. 2015, 48th International Symposium on Microelectronics (IMAPS 2015), (October 27-29, 2015, Orlando, FL).

  3. 2015, 27th Annual HENAAC Conference, (October 5-9, 2015, Pasadena, CA).

  4. 2015, IEEE MTT-S International Microwave Symposium (IMS 2015), (17-22 May 2015, Phoenix, AZ).

  5. 2015, IEEE MTT-S 16th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2015) (13-15April 2015, Cocoa Beach FL.)

  6. 2014, 26th Annual HENAAC Conference, (October 2-4, 2014, New Orleans, Louisiana).

  7. 2014, IEEE MTT-S 15th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2014) (June 2014, Tampa FL.)

  8. 2014, IEEE MTT-S International Microwave Symposium (IMS 2014), (1-6 June 2014, Tampa FL).

  9. 2013, IEEE MTT-S 14th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2013) (June 2013, Orlando FL.).

SELECTED CERTIFICATIONS

1. University of South Florida, Academy for Teaching and Learning Excellence (ATLE).

a. Certificate of Completion, USF-ATLE, Preparing for College Teaching (PCT) summer 2014, July 31, 2014.

2. University of South Florida, College of Engineering, Electrical Engineering department.

a. Wireless Engineer Certified, May 2014.

3. Nanotechnology Research and Education Center, (NREC-USF)

a. Certificate of Completion, NREC, TECNAI F20 Transmission Electron Microscope (TEM), July 15, (2015).

b. Certificate of Completion, NREC, Atomic Force Microscopy, June 26, (2015).

c. Certificate of Completion, NREC, XRD Thin Film GIXRD Techniques: Solids, Powders and Highscore Software, June 9, (2014).

d. Certificate of Completion, NREC, Electron Beam Evaporator, July 10, (2014).

e. Certificate of Completion, NREC, Hitachi SU-70 Scanning Electron Microscope (SEM), July 3, (2014).

f. Certificate of Completion, NREC, Hitachi S800 Energy Dispersive Spectroscopy (EDS), June 18, (2014).

g. Certificate of Completion, NREC, Hitachi S800 Scanning Electron Microscope (SEM), March 18, (2014).

h. Certificate of Completion, NREC, Deep Reactive Ion Etcher, February 15, (2014).

i. Certificate of Completion, NREC, Karl Suss Mask Aligner, August 15, (2013).

j. Certificate of Completion, NREC, Quintel Mask Aligner, August 15, (2013).

k. Certificate of Completion, NREC, Wet Chemistry and Lithography, August 15, (2013).

l. Certificate of Completion, NREC, Plasma-Therm Dry Etch, August 15, (2013).

4. Agilent Technologies.

a. Agilent RF & Microwave Industry-Ready Certified, June 1 , 2014.

5. USF-DEH&S, Certificate of Training, Lab Safety/HazWaste (LRS 206), August 30, 2012. 6. CITI, Completion Report, Responsible Conduct of Research for Engineers, May 6, 2013.

6. BSI, License 758205188882

a. ISO 13485:2003 Lead Auditor, January 1, 2011.

7. Microsoft, License 5508683

a. Microsoft Certified Professional, January 15, 2006.

PROFESSIONAL VOLUNTEERING SERVICE

1. Registration and Local Arrangements Co-Chair :

2015 IEEE MTT-S 16th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2015) (13-15April 2015, Cocoa Beach FL.)

2. Symposium Support Member.

2014 IEEE MTT-S International Microwave Symposium (IMS 2014), 1-6 June 2014, Tampa FL.

3. Conference Support Member.

2013 IEEE MTT-S 14th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2013) (June 2013, Orlando FL.).

MEMBERSHIP IN SCIENTIFIC AND PROFESSIONAL SOCIETIES:

1. IEEE (Institute of Electrical and Electronics Engineers), Graduate Student Member 2012-2017, Member 2017-Present.

IEEE Societies:

- ED-S, IEEE Electron Devices Society.

- M-S, IEEE Magnetics Society.

- MTT-S, IEEE Microwave Theory and Techniques Society.

- AP-S, IEEE Antennas, and Propagation Society.

- C-S, IEEE Communications Society.

- DEI-S, IEEE Dielectrics, and Electrical Insulation Society.

2. SHPE (The Society of Hispanic Professional Engineers), Member since 2013.

3. Phi Kappa Phi Honor Society member April 2014-Present, Ph.D. dissertation fellow 2017.