Dr. Bohnker is board certified in occupational medicine, aerospace medicine and general preventive medicine. He is also certified as a Medical Review Officer by MROCC. In 2005, Dr. Bohnker retired from 32 years of naval service where he was responsible for occupational and preventive medicine.

Originally from Iowa, Dr. Bohnker received his medical degree from the Uniformed Services University of the Health Sciences in Bethesda, Maryland and his Masters in Public Health from Emory University School of Medicine in Atlanta, Georgia.

Dr. Bohnker is an FAA aviation medical examiner. Additionally he is a commercial/instrument pilot and a Navy flight surgeon.