Amy Graham

Amy has been an RDA for 22 years. She has been a part of the Dr. Hansen team for 19 years, starting as his assistant. She has been the financial/scheduling coordinator for the past 12 years. Amy is very passionate about dentistry and giving our patients the best dental experience imaginable. She enjoys spending time with her husband and her two kids at the soccer field and the football field.


Nicole Brown

Nicole has been an RDA for 9 years and a part of the Dr. John Hansen team for two years. She is one of the back office assistants and is the office marketing coordinator. She loves dentistry and providing the best care to her patients.

Nicole has been with her boyfriend Matt for 15 years and they have an amazing 3 year-old son, Brody. She is originally from San Jose but has lived in the Sacramento area for 11 years. She enjoys spending time with her family, going to the gym and being in the sun.


Michael Coleman

Michael is the office manager at J. Hansen DDS and is a Sacramento area native. He has been married to his beautiful wife Amanda for 10 years. They have 4 children; 3 boys, and 1 girl. He has been in the dental field for over twelve years with 5 years experience in dental practice management. He is a Sacramento Kings and Oakland Radiers fan. He enjoys being outdoors and also spending time reading and playing board games with his kids.

Shelly Coleman

Shelly has been in the field of dentistry for 21 years. She has been a registered dental hygienist for 13 years. Shelly is dedicated to all her patients and their oral health. She volunteers for the Smiles for Kids program and several other programs. Shelly is married and has 2 older children. She enjoys the outdoors and playing with her grandson.

Tony Zubkov

Tony was born in Russia. He completed a 3year program in Russia for a Lab Technician and graduated in 1993. He came to the states in 2001. He started his lab career at Frontier Dental Lab in 2003 and in 2007 he branched off to start his own studio.

Tony is a true artist and has been working with Dr. Hansen to create natural, beautiful smiles since 2010. All in all Tony has 26 years of experience as a Lab Technician. He is fluent in several languages including Russian, Ukrainian, Bulgarian and English. When Tony is not in his dental studio he enjoys fishing with his 6-year-old son or hiking with his beautiful wife.