Mary W. Yamashita, MD (Photo: QT Imaging)
March 4, 2026 — QT Imaging Holdings recently announced that Mary W. Yamashita, MD will serve as medical advisor to the company.
In this role, Dr. Yamashita will provide strategic advisory and development support across several key areas, including:
- clinical interpretation standards
- structured reporting frameworks
- training architecture
- reader study design.
Her expertise will be instrumental in optimizing clinical integration and user experience, ensuring that the Company’s technologies not only meet but exceed the expectations of clinicians and patients alike.
Throughout her career, Dr. Yamashita has demonstrated leadership in both academic and clinical settings. She currently serves as Section Chief of the Breast Imaging division at the University of Southern California Keck School of Medicine and as Medical Director of Mammography at the USC Verdugo Hills Hospital Breast Center and University of Southern California Arcadia Breast Center. Her work in breast cancer screening and diagnosis has included involvement in multicenter clinical trials of advanced imaging technologies and she is widely respected for her commitment to quality, mentorship, and innovation in radiologic practice. 
“Through her research, publications, clinical practice, and lectures, Dr. Yamashita has been a strong advocate for advanced imaging in women with dense breast tissue. She consistently prioritizes high quality, efficient, and compassionate patient care, aligning closely with our mission to expand access to safe, comfortable, and quantitative breast imaging,” said Raluca Dinu, PhD, Chief Executive Officer of QT Imaging. “Her appointment underscores our commitment to clinical excellence and evidence-based deployment of our breast imaging solution. With Dr. Yamashita’s guidance, we will continue to strengthen our scientific foundation and accelerate adoption of best-in-class structured reporting practices that improve diagnostic accuracy and workflow efficiency across care settings.”
“As a breast radiologist, I understand the critical importance of early breast cancer detection and the ongoing need for improved imaging modalities,” said Dr. Yamashita. “Throughout my career, I have witnessed how thoughtfully developed technologies can meaningfully enhance our ability to detect and monitor breast cancer. I am excited to work with QT Imaging to help advance a radiation‑free, 3D breast imaging solution and expand access to high‑quality screening while prioritizing accuracy, safety, and patient care.”
Dr. Yamashita received her medical degree from the USC Keck School of Medicine and completed her diagnostic radiology residency at the University of California, Irvine Medical Center. During her final year of residency, she pursued advanced, fellowship-level training in breast imaging, dedicating additional time to comprehensive imaging and image-guided procedures. Upon completing her training, she was recruited by the Marcia Ray Breast Center in Glendale, California, where she served as Medical Director, providing clinical leadership in breast imaging and advancing standards of patient-centered care. She subsequently served as Medical Director at the Patricia L. Scheifly Breast Health Center in Whittier, California, one of the busiest breast centers in Southern California, where she oversaw comprehensive breast imaging services and multidisciplinary collaboration. In 2006, she joined the faculty at the USC Department of Radiology, Division of Breast Imaging. In addition to maintaining an active clinical practice, she is deeply engaged in the education and mentorship of residents and fellows, helping to shape the next generation of breast imaging specialists. She also contributes to research aimed at advancing the science and practice of breast imaging. She is board certified by the American Board of Radiology.
To learn more, please visit the company’s website at www.qtimaging.com
October 30, 2026 
