Dr. William Lohman is a physician board certified in Occupational Medicine and Internal Medicine. He spent 10 years at St. Paul Ramsey Medical Center, serving on the staff of the Occupational Medicine Clinic and as Residency Director. Dr. Lohman has served as medical consultant to a number of corporations and government agencies. He is also an assistant professor at the University of Minnesota's School of Public Health.

Dr. Sherief Mikhail is a physician board certified in Occupational and Environmental Medicine. Dr. Mikhail also graduated from the University of Minnesota in 1997 with a Masters in Public Health degree. Upon completion of his residency at St. Paul Ramsey Medical Center, he remained as a staff physician for the residency program. Dr. Mikhail also practiced primary care Occupational Medicine at Minnesota Occupational Health and is now in private practice at Specialists in Occupational and Environmental Medicine.