Dr. Kaehr was born in Fort Wayne and received his undergraduate education from Purdue University. He graduated from Indiana University School of Medicine in 1982 and completed an internship at Miami Valley Hospital in Dayton, Ohio in 1983. In 1987, Dr. Kaehr completed a residency in orthopedic surgery at Wright State University and a fellowship in orthopedic trauma at Harborview Medical Center at the University of Washington in 1988.
Dr. Kaehr served as an assistant professor of orthopedic surgery at Wright State University School of Medicine in Dayton, Ohio from 1988 to 1993 and assistant director of trauma services at Miami Valley Hospital from 1991 to 1993.
Dr. Kaehr is a member of the American Academy of Orthopaedic Surgeons.