Dr Gehrs grew up in Belleville. He is married to his wife Julie. Together they have three children. He graduated from Washington University in St. Louis and the University Of Illinois College Of Dentistry. Dr. Gehrs has been practicing dentistry in Belleville for 30 years.
Dr Gehrs is an active member of the American Dental Association, Illinois State Dental Society, St Clair District Dental Society, and the Academy of General Dentistry.
Dr Gehrs also volunteers for the Denoted Dental Services and St Vincent DePaul.