Our Team

Colleen Christmas, M.D.
Co-founder, Co-director, MGG

Associate Professor of Medicine, Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine
Primary Care Track Director, Johns Hopkins University School of Medicine

Panagis Galiatsatos, M.D., M.H.S.
Co-founder, Co-director, MGG

Assistant Professor of Medicine, Pulmonary & Critical Care Medicine
Educational Coordinator, Healthy Community Partnership
Teaching Faculty, Johns Hopkins School of Nursing

Thomas K.M. Cudjoe, MD, MPH
Co-director, MGG

Assistant Professor of Medicine, Geriatric Medicine and Gerontology

Ariel Green, M.D., M.P.H.
Co-founder, MGG

Assistant Professor of Medicine, Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine

Erica Johnson, M.D., F.A.C.P.
Co-director, M.G.G.

Assistant Professor of Medicine, Division of Infectious Diseases, Johns Hopkins University School of Medicine
Residency Program Director, Internal Medicine, Johns Hopkins Bayview Medical Center

Daniel Hale, Ph.D.
Adviser, MGG

Assistant Professor of Medicine
Special Advisor, Office of the President
Director, Healthy Community Partnership

Katherine Shaw, M.D.
Adviser, MGG

Department of Pediatrics, The Johns Hopkins Hospital