Course Co-Directors

Ronald Pust, MD

Professor, Family and Community Medicine (FCM)
Director, Office of Global and Border Health

Joint appointment in the College of Public Health

Ron Pust, MD, is a family physician who is also board certified in public health/preventive medicine. He sees international health as part of the College of Medicine commitment to underserved people.

Dr. Pust's first four years experience as a physician was with the Centers for Disease Control (1969-1973), working for two years in the Navajo Area Indian Health Service, followed by two years in Nigeria after its civil war.

His most formative experience as a clinical and public health generalist was at a 120 bed provincial hospital in the highlands of Papua New Guinea from 1973 to 1979. In 1979, when he joined the University of Arizona faculty where he has developed training courses for health care professionals who plan to work in less developed countries. Rather than seeking shortcuts or substitutes merely for the sake of economy, he seeks to promote intellectually sound but efficient ways of diagnosing and treating problems in underserved settings in the USA and abroad.

On a 2004-05 sabbatical, he was founding chair of Family Medicine at Moi University in Kenya. In early 2009, he was a Yale Scholar in Global Health at Orotta Medical School in Eritrea.

Tracy Carroll, PT, MPH

Tracy Carroll, PT, MPH, is a practicing physical therapist at Banner University Medical Center South and a clinical lecturer for UA COM Office of Diversity and Inclusion. She is Co-Director of the COM Global Health Distinction Track. Her passion is liberation medicine, linking health with social and economic justice. She works in the Arizona-Mexico border and Tucson refugee communities promoting health, safety and economic security.

Most of her international work has been in Mexico and Central America. She has worked with microcredit organizations, community health clinics and humanitarian relief organizations along the US-Mexico Border for over 20 years. Currently her work is with ARSOBO, a not-for-profit  social business model NGO located in Nogales, Mexico that works with persons with disabilities to provide high-tech, low-cost medical devices that minimize their disability and maximizes their economic and social contribution to society. ARSOBO also trains and employs individuals with disabilities to construct the medical equipment they need and use.

The following Thomas McKeown quote reflects her approach to global health: "Improvement in health is likely to come, in the future as in the past, from modification of the conditions which lead to disease, rather than from intervention into the mechanisms of disease after it has occurred."