Dr. Tomkowiak received his BS from the University of Illinois, and completed his MD and residency training at Southern Illinois University School of Medicine.  He is board certified in general psychiatry. In addition, he received his Masters of Organizational Leadership from Gonzaga University.

He has won numerous awards including the Nancy C.A. Roeske, MD Award for Excellence in Medical Student Education; U.S. Department of Justice Award for Public Service; and the Illinois FBI National Academy Associates Citizen of the Year Award. He is a member of the Alpha Omega Alpha Honor Medical Society.