IMPACT Lab
Laboratory for Imaging Physics, Analysis, and Clinical Translation

People

Principal Investigator

Grace J. Gang, PhD

Grace J. Gang, PhD

Associate Professor, Department of Radiology, University of Pennsylvania

Dr. Grace J. Gang is an associate professor in the Department of Radiology at the University of Pennsylvania. She received a Bachelor of Applied Science and a PhD in Biomedical Engineering from the University of Toronto. Her work focuses on image-quality modeling, assessment, and optimization for advanced X-ray imaging modalities, spanning X-ray detector physics, image reconstruction, system modeling and optimization, and human visual perception. Dr. Gang has received many awards, including first place in the John R. Cameron Young Investigator Symposium, the AAPM Research Seed Grant, the Moses and Sylvia Greenfield Award, the Jack Fowler Junior Investigator Award (2018), and the John Laughlin Early-Career Scientist Award.

Current Lab Members

Donghyeon Lee

Donghyeon Lee, PhD

Post-doctoral Fellow

Jiayu Ji

Jiayu Ji, PhD

Post-doctoral Fellow

Huay Din

Huay Din

PhD Student, Bioengineering

Raphiporn Duangrat

Raphiporn Duangrat

PhD Student

Suyu Liao

Suyu Liao

PhD Student, Bioengineering

Former Members

Limei Ma

Limei Ma, PhD

Post-doctoral Fellow

Mitchell Pelline

Mitchell Pelline

Research Specialist

Changmin Hyun

Chang Min Hyun, PhD

Post-doctoral Fellow (2023–2024)

Jason Fan

Jason Fan, PhD

Post-doctoral Fellow (2025)

Mehrana Mohtasebi

Mehrana Mohtasebi, PhD

Post-doctoral Fellow (2023–2024)

Esme Xiaoxuan Zhang

Xiaoxuan (Esme) Zhang, PhD

Post-doctoral Fellow (2023–2024)

Louisa Coughlin

Louisa Coughlin

Summer Student, TRIP Mentoring Program (2025)