Leadership Team

Dr. Erin Grady, Associate Chair of Education

Erin Grady, MD is Clinical Professor of Radiology, Associate Chair of Education and Diversity, Equity and Inclusion, Acting Director of Stanford Theragnostics and Director of the Stanford Bone Densitometry Program. She received her MD degree from the University of Washington in Seattle, WA. She was resident and chief resident in nuclear medicine at Loyola University. Her research interests include methods of instruction in undergraduate and graduate medical education. Additional interests include interested in the equity in graduate medical education, appropriate use of medical imaging, quality and safety, as well as radionuclide therapy. She aims to find answers to practical problems in nuclear medicine practice—both in general and oncologic applications.

Dr. Margaret Lin, Residency Program Director   

Margaret is a Clinical Associate Professor in Thoracic Imaging and has served as an Associate Residency Program Director under both Terry Desser and Payam Massaband. She completed her medical training entirely at Stanford, having graduated from the medical school, residencies in Internal Medicine and Diagnostic Radiology, and finally fellowship in Thoracic Imaging. She was on the faculty at Stanford from 2008 to 2012 before moving to Las Vegas where she worked as a teleradiologist with Vision Radiology and as a Managing Editor for ZDoggMD. Since returning to Stanford in 2019, Margaret has been actively involved in resident education and lung cancer screening and has won multiple resident teaching awards.

Dr. Gloria Hwang, Associate Program Director

Gloria is a graduate of Stanford’s School of Medicine, Surgery Internship, Radiology Residency, and Interventional Fellowship. She joined the faculty in 2008 after an additional postdoctoral research year, and has been a key member of the Radiology Residency and Interventional Radiology Fellowship interview panels for several years, as well as representing our department in the School of Medicine Faculty Senate.

Dr. Bryan Lanzman, Associate Program Director

Bryan completed his medical degree and radiology residency at Columbia, before coming to Stanford for a 2-year Neuroradiology fellowship.  He joined the faculty at Stanford in 2017 and is actively involved in medical student and resident education, as well as quality improvement efforts within the neuroradiology section.  He serves as a co-director of the Neuroradiology clerkship for medical students and for the Neuroradiology elective for neurology residents. 

Dr. Edward C. Lo, Associate Program Director  

Ed Lo began his career with Stanford Radiology as a clinical fellow before joining the Body Imaging faculty in 2016. He is actively involved with education and clinical training for residents, fellows, and medical students. Ed was born and raised in the Chicagoland area, where he completed medical school and diagnostic radiology residency at University of Illinois-Chicago. He lives in Redwood City with his wife Amy, dog Karma, and cat Jack.

Dr. Jayne Seekins, Associate Program Director 

Jayne is an Assistant Professor of Radiology within the division of Pediatric Radiology. She graduated with her DO degree from the University of New England followed by Radiology residency at MUSC and fellowships at Vanderbilt and Stanford in Pediatric Radiology.  

Dr. Preeti Sukerkar, Associate Program Director

Preeti is a Clinical Assistant Professor of Radiology practicing at the Palo Alto VA and Stanford. She was born and raised in the suburbs of Chicago, received her MD and PhD from Northwestern University, and completed her intern year at Advocate Illinois Masonic Medical Center in Chicago. She then moved away from the cold winters and completed her diagnostic radiology residency and fellowships in musculoskeletal imaging and body MRI at Stanford University. She is very actively involved in medical education and clinical training for residents and medical students, and many of her educational and research endeavors focus on the intersection of healthcare, climate change, and sustainability.

Dr. Justin Tse, Associate Program Director for Research and Global Health

Justin is an Assistant Professor at Stanford University and a practicing abdominal radiologist. He was born and raised in the Los Angeles thirty-mile zone (aka the TMZ) and graduated from UCLA David Geffen School of Medicine. Justin then did his internship in Transitional Year at SCVMC, residency in Diagnostic Radiology at Stanford University, and fellowship in Abdominal Imaging and Cross Sectional Interventional Radiology at UCLA. After fellowship, Justin returned to Stanford University as faculty. During residency, Justin spearheaded the global health between Stanford University and Muhimbili National Hospital in Dar es Salaam, Tanzania. His research focuses include liver cancer, kidney cancer, gastrointestinal bleeding, standardized lexicon, and residency education, and have been featured in Radiology, RadioGraphics, European Radiology, AJR, and JACR

Administrative Team

Carine Jaeger, Education Program Manager

Carine has worked for the School of Medicine since 2013, she moved to Radiology from Vascular Surgery where she was the Residency and Fellowship Coordinator. She holds a BA in Education from France where she was born and raised before moving to the Silicon Valley in 1997. Prior to joining Stanford, Carine was a Technology Teacher and IT Director for a French-American School. As the Education Program Manager, Carine is responsible for program management, administration and supervision of the residency programs, subspecialty training fellowships, and radiology clerkship.

Tracy Lancaster, Fellowship Program Coordinator


Jason Calcagno, Diagnostic Radiology Residency Program Coordinator

Jason Calcagno is a Bay Area native and has worked at Stanford University since 2008.  He acquired his BS in History from Sonoma State University in 2005.  Prior to working in Radiology, Jason was in the Pathology Department at Stanford School of Medicine supporting the Transfusion Medicine Fellowship Program and Neuropathology Fellowship Program. 

Ann Vo, Nuclear Medicine/Diagnostic Radiology Residency and Fellowship Program Coordinator

Ann Vo is an administrative professional, frequent community volunteer, and freelance Ergonomist.  She became a member of the Stanford Community in 2015 after attaining her Bachelors in Business Administration.
In 2018, Ann sought to expand within the Department of Radiology and joined the Education Team as the Clerkship and Fellowship Coordinator. Currently, she is looking to pursue her MBA and enhance her contribution to Stanford’s success.

Sergio Sousa, Clerkship and Fellowship Program Coordinator

Sergio Sousa was born in San Jose, CA where he currently lives with his wife and two young boys. He graduated from San Jose State University where he earned his BS in Aviation with a focus on Airport and Airline Management, and a minor in Business. Sergio initially joined the Stanford University School of Medicine team in 2012, and after a brief absence, rejoined the team again in 2021. He enjoys spending time with family and friends, traveling, watching a good sporting event, and volunteering in the community.

Alyssa Martinez, Centralized Fellowship Program Coordinator (MSK, CVI and Cardiothoracic Programs)

Alyssa Martinez is a Bay Area native who has been part of the Stanford Community since 2015. She acquired her BS in Psychology from Cal State East Bay in 2014. Prior to joining Radiology, Alyssa was in the Anesthesia Department at Stanford University School of Medicine where she began as an administrative associate and later joined the Education Team supporting the Critical Care, Obstetric and Pediatric Anesthesia Fellowship Programs. In her free time, Alyssa enjoys attending live music events, traveling, and sharing new recipes with her friends and family.