Home > Education > Medical Residency & Fellowship Program Medical Residency & Fellowship Program Medical Residency Physics Residency Leadership Catherine Park, MD Professor and Chair Steve Braunstein, MD, PhD Program Director, Associate Professor and Vice Chair Lauren Boreta, MD Associate Program Director, Assistant Professor David R. Raleigh, MD, PhD Associate Program Director, Medical Student Clerkship Director, Assistant Professor Residents Katherine Chen, MD 2023 William Chen, MD 2023 Jessica Chew, MD 2022 Nam Woo Cho, MD, PhD 2022 Benjamin Li, MD, MBA 2023 Rose (Yun) Li, MD, PhD 2021 John Liu, MD, PhD 2024 Lisa Ni, MD 2024 Christina Phuong, MD 2024 Sumi Sinha, MD 2022 Matt Susko, MD, MS 2021 Horatio Thomas, MD, MSc 2023 Harish Vasudevan, MD, PhD 2022 Michael Zhang, MD, PhD 2021 Redefining Possible