Team

Qifa Zhou

Principal Investigator

Dr. Qifa Zhou is a professor in the Department of Ophthalmology and Biomedical Engineering at the University of Southern California, and a leading principle investigator at the NIH Resource Center on Medical Transducer Technology. He has published over 200 peer-reviewed articles in various journals and is a fellow of the International Society for Optics and Photonics and the American Institute for Medical and Biological Engineering. He is a member of the Technical Program Committee of the IEEE International Ultrasonics Symposium and an Associate Editor of the IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. He received several awards for his research, including a best student paper competition award in 2010 and a best poster paper award in 2015.

Current Members:

Robert Wodnicki

Sr. Research Associate

Robert Wodnicki received the B.Eng. and M.Eng. degrees in electrical engineering from McGill University, Montreal, in 1992 and 1996, respectively, and the PhD degree in biomedical engineering from the University of Southern California, Los Angeles in 2020. The subject of his dissertation was “Highly integrated 2D ultrasonic arrays and electronics for modular large apertures” under Prof. Qifa Zhou. From 1995 to 2014, he was employed as an Application Specific Integrated Circuit (ASIC) Designer for GE Global Research, Niskayuna, NY, USA. In 2018 he received the Best Student Paper Award at the International Ultrasonics Symposium in Kobe, Japan, for his paper on ASICs and modular acoustic arrays. He is currently employed as a senior research associate in the department of Ophthalmology, at USC Keck in Los Angeles. His research is focused on the implementation of 2-D ultrasound systems using highly integrated ASIC electronics interfaced to single-crystal transducer arrays.

Hsiao Chuan Liu

Research Assistant Professor

Dr. Hsiao-Chuan Liu was a research postdoctoral fellow at Mayo Clinic in 2019 and was appointed to an Assistant Professor of the Department of Radiology at Mayo Clinic Rochester in 2020. He moved to the Department of Ophthalmology at the University of Southern California and joined the Department of Mechanical Engineering at the Massachusetts Institute of Technology in 2022, and is now a Research Assistant Professor. His research interests lie at acoustic radiation force-based optical coherence elastography, ultrasound elastography, new optic & acoustic elastography system and algorithm developments, acoustic tweezers for cell mechanics, acoustic wave theory and elastography translational developments to preclinical and clinical applications.

Baoqiang Liu

Postdoctoral Researcher

Baoqiang Liu earned his Ph.D. from the Shenzhen Institutes of Advanced Technology (SIAT), Chinese Academy of Sciences. Prior to his doctoral studies, he worked for four years as an ultrasound hardware engineer at SonoScape Medical Corp. During his Ph.D., he led the development of ultra-high-frequency array ultrasound, intravascular ultrasound (IVUS), and intracardiac echocardiography (ICE) technologies, accumulating nearly a decade of combined experience in both research and industry. He is particularly skilled in the design of ultrasound electronic systems and has a systematic understanding of the design strategies for IVUS, ICE, and wearable ultrasound products. Currently, he is a Postdoctoral Researcher at the Ultrasonic Transducer Resource Center at the University of Southern California (USC), where his research focuses on high-frequency ultrasound imaging systems and transducers, large-aperture array ultrasound imaging, and wearable ultrasound imaging technologies.

Yushun Zeng

Ph.D. Student

Yushun (Sean) Zeng (Member, IEEE) received a B.Eng. degree in Bioengineering from Nanjing Tech University, Nanjing, China, in 2019, and an M.S. degree in Biomedical Engineering from the University of Southern California, Los Angeles, CA, USA, in 2021. He is currently pursuing a Ph.D. degree with the Department of Biomedical Engineering, at the University of Southern California. His research interests mainly focus on high-frequency ultrasound transducers/arrays, 3-D-printed ultrasonic devices, and acoustic tweezers.

Adnan Rayes

Ph.D. Student

Adnan joined the Ph.D. program in 2020 at USC. He received his B.S. degree in biomedical engineering from King Abdulaziz University in 2014 and an M.S. degree in biomedical engineering from the University of Southern California in 2020. His research focuses on using High-Intensity Focused Ultrasound for different applications such as deep vein thrombosis and cancer cell ablation as well as characterizing tissue stiffness using Ultrasound Elastography. As part of UTRC, Adnan has experience in fabricating single low and high-frequency transducers for both therapeutic and diagnostic applications.

Junhang Zhang

Ph.D. Student

Junhang Zhang (Member, IEEE) received the M.S. degree in biomedical engineering from the University of Southern California, Los Angeles, CA, USA, in 2020, where he is currently pursuing the Ph.D. degree with the Department of Biomedical Engineering. His current interests include the development of high-frequency transducer and ultrasonic elastography.

ChiFeng Chang

Ph.D. Student

As a dedicated PhD student specializing in Ultrasound Applications, I am passionately engaged in exploring the innovative possibilities this technology offers in various fields. My research endeavors are closely aligned with practical applications in healthcare, particularly in collaboration with USC Hospital for comprehensive human studies. Through my academic journey, I aim to contribute significantly to advancing ultrasound technology, focusing on enhancing diagnostic accuracy, treatment efficacy, and patient care outcomes. This introduction encapsulates my commitment to leveraging cutting-edge research to address critical challenges and propel the frontier of ultrasound applications in healthcare.

Chen Gong

Ph.D. Student

Chen Gong is a second-year Ph.D. student at the department of Biomedical Engineering at USC. He joined Dr.Zhou’s lab in 2021. His research interests are mainly in non-invasive visual prostheses, Ultrasound therapy, and nerve regeneration.

Jie Ji

Ph.D. Student

Jie Ji received bachelor’s degree in biochemistry from SUNY Stony Brook University in 2020 and is currently a PhD student in biomedical engineering at the University of Southern California. He is now focusing on clinical research in ultrasound instrumentation and medical electronics.

Xin Sun

Ph.D. Student

Xin Sun received his M.E & B.Eng in Mechanical and Electrical Engineering form Central South University, China, in 2023. He is currently a Ph.D student majoring in the Biomedical Engineering at University of Southern California. His research interests mainly focus on Ultrasound / Photoacoustic Computed Tomography, Elastography, and Imaging System Construction.

Matthew Ren

Ph.D. Student

Matthew Ren received his B.S. degree in biology from the University of British Columbia, Vancouver, in November 2023. Subsequently, he joined Dr. Zhou’s biomedical engineering lab at the University of Southern California in 2024 as a Ph.D student. He is currently focusing on fabricating high- and low-frequency ultrasonic transducers.

Xunan Liu

Ph.D. Student

Xunan Liu received the B.E. degree in Biomedical Engineering from Nanjing Medical University, China, in 2019, and the M.S. degree from University of California Riverside, CA, in 2023. He is currently a volunteer in the department of Ophthalmology at University of Southern California. He currently focused on ultrasound transducer fabrication.

Fan Wei

Ph.D. Student

Fan’s work focuses on developing imaging-guided ultrasound stimulation platforms for mechanobiology studies and immunotherapy.