John D. Siekmann- Dr. Siekmann grew up as a patient of AFD.  He graduated from University of Illinois-Chicago in 1982 and immediately joined the practice.  He loves to practice dentistry because it “enables me to meet and have an impact on many people’s lives”.  Outside the office Dr. Siekmann enjoys skiing, sailing and spending time with his wife and two kids.

Duc Chung- Dr. Chung joined the practice in 1998.  After graduating from University of Illinois Chicago in 1995, he worked at a few practices before finding the perfect fit at AFD.  He really enjoys “seeing patients so relaxed and confident in our practice's ability to provide such a high quality service for them”.  Outside the office, Dr. Chung enjoys photography , reading and spending time with his wife and two children.

Dennis J. Dobrin- Dr. Dobrin also grew up as a patient of AFD.  He filled in as a dental assistant during his summer vacations from high school and college before deciding to become a dentist.   A graduate from University of Illinois Chicago in 2001, his greatest satisfaction comes from, “patients telling me they’re not afraid to come to the dentist anymore”.  Outside the office he plays tennis and spends time with his wife and two kids as much as possible. 

Ross M. Johnsen-  Dr. Johnsen is a graduate of Loyola College of Dentistry in 1987.  He has been a part of AFD since 1990.  He enjoys the personal satisfaction of meeting patients and fulfilling their dental and health needs.  Outside the office he enjoys playing the piano.

Matthew J. Tobkin-  Dr. Tobkin grew up in South Dakota knowing he wanted to be a dentist.  He fulfilled this dream and graduated from Temple University School of Dentistry in 2003.  He is satisfied when patients say “I will never go to a different dental office again”.  Outside the office he enjoys hunting, fishing and traveling with his wife.