Upper Valley has 1,200 employees.
His retirement announcement stated Parker began his career locally in the Miami County Probate and Juvenile Court system in 1980 before transitioning to oversee behavioral health services for Upper Valley in 1992. He held different leadership roles with Upper Valley including vice president of operations, senior vice president of operations, chief operating officer and CEO.
MORE: Troy hospital adds radiation oncology
In 2015, he became the Premier chief experience officer.
Upper Valley Medical Center is part of Dayton-based Premier Health, which also operates Miami Valley Hospital, Miami Valley Hospital North, Miami Valley Hospital South, Atrium Medical Center, and other services like an urgent care network; free-standing emergency departments; a large primary and specialty care network; and home health services.