Meet the Assistant Team

Grand Rapids Dental Practice


Dental Assistant

Joan has been assisting Dr. Gary Mancewicz since he graduated from the University of Michigan in 1976. After taking a sabbatical to raise her family, Joan rejoined our dental team and makes her patient’s care and comfort a priority.

In her spare time, Joan enjoys refinishing furniture, walking, and spending time with her family.


Dental Assistant

Katie has been with our team since 2010. She specializes as Dr. Stephen Mancewicz’s assistant and is dedicated to excellent patient care and comfort. She loves crafting, baking and spending as much time as she can outdoors. She and her husband have 2 daughters and a dog named Theo.



Dental Assistant

Family Dentists Grand Rapids MIDixie began her career as a certified dental assistant in the office of Dr. John Stepanovich. In 2008, she completed training to become a registered expanded functions dental assistant. In 2014, she earned the title of registered Buteyko breathing educator.

She came to the office in 2014 with orthodontist Dr. Wyland Gibbs, who together with Dr. Stephen Mancewicz offer the opportunity for Biobloc orthotropic treatment.

She enjoys working with children and adults as they progress through the growth guidance treatment, encouraging them and providing strategies to help them correct their oral posture and restore healthy nasal breathing.

In addition to our office, Dixie works at her father’s performance engine shop, as well as serving on the board of the West Michigan Orthotropic Study Center and caring for her Buteyko clients. When not working, she enjoys spending time with her family, wood turning, golfing, or taking a spin in her hot rod.


Dental Assistant

Dentists Grand Rapids, MIWidad graduated from Grand Rapids Community College in 2021 from the Dental Assisting Program and earned an Associate’s Degree in Applied Arts and Science.

She first joined our office through an internship and has been working here since July of 2021. Widad specializes in Dr. Alex Peterson’s assistant as well as helping the other doctors when needed. She has a passion for caring for her patients and making sure they are always as comfortable as possible.

In her free time, she enjoys spending time with her family and friends, being in the gym, spending time outdoors and shopping.


Dental Assistant

Dentists Grand Rapids MISarah comes to us from Dr. J. Stepanovich’s practice where she worked with Dr. Steve Mancewicz the last four years.

She’s a 1973 graduate of Ferris State College in their Dental Assisting Program and she also has her Associate’s degree from Grand Rapids Community College in Dental Hygiene.

In the early 1980s, Sarah was the Michigan coordinator of the National Foundation of Dentistry for the Handicapped.

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