She then spent three years training at Boston Children’s and Massachusetts General Hospitals as a pediatric resident.
In 1984 Dr. Osborn was offered a position as the dean of The School of Public Health at The University of Michigan so she decided to leave Wisconsin.
She later on became the dean and professor of epidemiology, pediatrics, and also communicable diseases at The School of Public Health in Michigan.
[1] While serving as dean June E. Osborn set up a post-doctoral program for minority scholars to assist them in preparing for growth and success in faculty positions.
Osborn was an active member of The Global Commission on AIDS of the World Health Organization.
She is also one of the chairs on the Physician Leadership on National Drug Policy, an organization based out of Brown University.