Gilleran and Van Fossen
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You Will Love Us

Therese Walsh, Office Manager

I started working with Dr. Gilleran and Dr. Van Fossen in February of 2006 as the office manager.  I was so impressed upon meeting the Doctors and seeing the office I knew this was the place for me - an office focused on top quality dental care and customer service.  I have several years experience in the dental field, including dental assisting, customer service agent for a dental supply company and many years of front desk experience in general dental and orthodontic offices.  My teenage daughter thinks it's great I work next to Old Navy and across the street from Macy's.  When not at work, my husband, daughter, and myself enjoy spending time at our cottage in Michigan. I look forward to many years with Dr. Gilleran and Dr. Van Fossen.

Jean Gariti, R.D.H., Dental Hygienist

I am a licensed full-time dental hygienist. My goal is to bring a caring attitude and a fun fresh excitement to work with me everyday. I grew up on the Southwest side of Chicago and spent my educational years in Champaign-Urbana. In my free-time I am involved in many volunteer endeavors as well as a season ticket holder with the 2005 World Series Champion Chicago White Sox! I currently reside in Edison Park with my dog Maggie and husband, Tom. 

Angie Ponton, R.D.H., Dental Hygienist

I reside in Kankakee with my fiance Charlie, two children, Gizelle and Gavin, and two dogs, Sky and Bentley.  We eagerly anticipate visits from Charlie's beautiful daughter, Alisha who lives in Tennessee.  In my free time I enjoy spending time with my family, whether it be riding bikes, finding a "new" park, exploring nature, or just coloring.  Along with being the best guide to my children, I also aspire to become a doula, and one day, an orthodontist.

Jim,  Front Desk Staff

I was born and raised in Northwest Indiana, and have 7 brothers and sisters.  I've lived in Chicago for over 15 years and now consider this home.  I love to travel and have been to London, Germany, The Netherlands, New Zealand, and Australia.  I would love to see Spain and Italy some day.   I was introduced to the dental field through my Uncle, who practiced in Water Tower for over 20 years.  After my Uncle retired I began working with Dr Gilleran and Dr Van Fossen, and am happy to find an office that focuses on great customer service.

Alex Espinoza,  Clinical Assistant

I am originally from Zacatecas, Mexico.  I've lived in Chicago for the past 20 years and now consider this my home.  I joined Dr Gilleran and Dr Van Fossen  in April of 2008.  I am very happy and lucky to be part of their productive team.  I've been a dental assistant for the past 10 years and throughly enjoy what I do.  I plan to continue my education in the dental field.  I am a very proud mother of a beautiful daughter, Miranda Isabella.  In my free time I enjoy traveling, working out ,and also doing floral arrangement designs.

Claudia Macias,  Clinical Assistant

I am originally from Mexico.  I moved to Chicago about 23 years ago and now consider this my home.  Chicago is where I met my husband Jose, and where I now raise my three children; Valeria, Natalia, and Nathan.  During college I began working part-time as a dental assistant, and enjoyed it so much I decided to make it my career.  I now have over 15 years of dental assisting experience and being in this office allows me a chance to do what I really like.  In my free time I enjoy spending time with my family, and also love cooking and baking. 


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