Dr. McKenzie serves as Executive Director for Health, Safety and Environment for Johns Hopkins University and the Johns Hopkins Health System. Additionally, she is Division Director for Occupational and Environmental Medicine (OEM) and Professor (PAR) of Medicine at Johns Hopkins Medicine. She was previously Division Chief and Professor OEM at University of Pennsylvania School of Medicine and Penn Medicine’s OEM Residency Program Director.
Trained in both Occupational Medicine and Internal Medicine, Dr. McKenzie received an A.B. from Princeton University, an M.D. from Yale School of Medicine, and an M.P.H. from Johns Hopkins where she also completed an OEM Fellowship and the Epidemiology Research Track. She was honored by the American College of OEM (ACOEM) with its 2015 International Lifetime Kehoe Achievement Award for Excellence in Education and Research. Additional key achievements include: election to the Sigma Xi Scientific Research Honor Society (2020); being selected Fellow of the Hedwig van Ameringen Executive Leadership in Academic Medicine® (ELAM®) Program for Women (2021); induction to the Academy of Master Clinicians (2021), Penn Medicine’s highest clinical honor; being selected by the State Department to lead coordinated care to US diplomats injured in Havana, Cuba, & China, and presented with a Medallion in appreciation for this work; serving as a featured expert on Philadelphia’s NBC-10 to debunking myths contributing to COVID-19 Vaccine Hesitancy; being named to the inaugural Top Women in Safety (2021); and listed as one of America’s top doctors and Top OEM physicians.
Author of over 130 scientific publications, Dr. McKenzie's research focuses on work as a social determinant of health, OEM exposures and illnesses, heat related illness consequent to climate change, cost of work disability, graduate medical education, and employee wellness/burnout. She is the invited author of 27th edition of Goldman-Cecil Textbook of Medicine, Principles of OEM chapter and among the top 10% most cited preventive medicine physicians in 2021. Dr. McKenzie developed the first Train-in-Place Residency Program in the nation, successfully competing for funding to make it America’s largest civilian OEM residency. Graduates comprise ~8% of American Board of Preventive Medicine (PM) - OEM diplomates over the past decade. Chair of the Accreditation Council for Graduate Medical Education PM Review Committee, she has chaired several National Academy of Science, Engineering & Medicine committees, served on the National Institute of Occupational Safety and Health Board of Scientific Counselors and Study Sections and sits on the Journal of OEM Editorial Board.