Dr. Chuck Callahan is a retired Army colonel and physician executive with more than forty years of experience who has served in a range of health care leadership positions including PICU chief, Department Chief, hospital chief medical officer, chief operating officer, and chief executive officer.

After his military retirement, he served as inaugural Vice President of Population Health at the University of Maryland Medical Center in Baltimore until stepping down to care for children with asthma and practice community health in 2024. His public health career has led him to care for patients with Ebola in Sierra Leone and to help lead city and state efforts during the COVID-19 pandemic, including operating the city’s convention center field hospital and COVID-19 respite shelter. His area of interest and research is the connection between Baltimore city’s racial history and its continued challenge with inequitable health outcomes.

Dr. Callahan is board certified in pediatrics and pediatric pulmonology. He has received numerous teaching awards and has lectured broadly on healthcare leadership, population health, racism, history and health outcomes. He is the author of more than one hundred abstracts, articles, books and book chapters on leadership and medicine, and has been awarded more than two million dollars in research grants in asthma, telemedicine and population health. He and his wife of forty-four years live in the Union Square neighborhood of West Baltimore.