Our Staff

Office Manager

Linda has lived in Janesville all her life and graduated from Western Wisconsin Technical College in LaCrosse, Wisconsin in the Dental Assistant program in 1973. She was employed by Dr. Forrestal for many years and now by Drs. Karrels, Lyons and Wason since 1973. She is married to Michael and has four grown children. She enjoys gardening, quilting and spending time with her family and grandchildren. She also enjoys spending time up north at their cabin.


Debbie, our Scheduling Coordinator, is one of the first smiling faces to greet the patients at TriMark. Debbie was born and raised in Janesville. She graduated from Lakeland Medical & Dental Academy in 1976. Debbie is married to Bill, and they have two grown children, Ted and Katie. Debbie is also the proud grandma of three grandchildren who keep her very busy.

Rhonda was born in Beloit and moved to Janesville in 1972. She worked for Dr. David Foulkes since 1982 and joined TriMark Dental in 2004 when the offices merged. Rhonda's many duties include scheduling appointments, collecting payments and fulfilling the duty of the Office Manager when she is out of the office. Rhonda is married to Brian and has two grown children, Matthew and Alexis; a daughter-in-law, Bree; and three grandchildren, Mady, Bella Ali and a fourth on the way. Rhonda enjoys walking, bowling, reading and spending time with family and friends.

Hallie graduated from the Dental Assistant program at Blackhawk Technical College in May 2016 and has been working at TriMark ever since. She works both reception and chairside with the doctors. In her free time, she enjoys going to the dog park with her dog, Sammie, and spending time with her husband.


Karlene graduated from Blackhawk Technical College in 2001 and started at TriMark in 2005. Karlene was born and raised in Janesville. She is married and has two active boys. She enjoys running, time with friends and watching her boys play hockey.

Stephanie joined TriMark Dental Clinic in 1999 after working in Madison for five years. She grew up and still lives in Edgerton with her family. In her free time, she enjoys gardening, cooking and shopping.

Lora grew up in Southern Wisconsin and attended Madison Area Technical College. She graduated in 1984 with a degree in dental hygiene. She joined TriMark in 2004 when TriMark merged practices with Dr. David Foulkes’ office, for whom she had worked for the past 18 years. Lora enjoys Wisconsin Badger sports, cooking, riding horses and time spent with her family.

Elizabeth is originally from Janesville. She graduated from MATC in 1995 and has worked at TriMark since then. She is married and has three children. Aside from raising her kids, she enjoys traveling, reading and being outside.

Anna graduated from Madison Area Technical College in 1990 with a degree in dental hygiene. She grew up in Orfordville, is married and has two children. In her spare time, she loves to bike, take her dogs for runs, ride horses and spend time with her family.

Claudia joined Trimark Dental in July 2017. Claudia Mangold graduated from Blackhawk Technical College in 2005 in Dental Hygiene. Claudia has had many years old experience in the medical field prior to becoming a Dental Hygienist. Claudia worked as a Medical Assistant and Phlebotomist for 5 years before having her daughter. Claudia's daughter is a Sophomore at UW-Milwaukee studying premed. Claudia's family is very important along with her animals. She enjoys watching movies, reading, shopping, being with friends, and cooking.


Sherri graduated from BTC in 2001 and then joined TriMark Dental. She works chairside with Dr. Karrels and Dr. Popp and fills in wherever she is needed. Sherri was born and raised in Albany where she still resides today with her two beautiful daughters, Kierra and Kaydra. She is a Girl Scout leader and youth softball coach in Albany. In her spare time, she enjoys spending time with her friends and family along with gardening, scrapbooking and long walks. Sherri enjoys getting to know the patients on a personal level which makes dental assisting a little more fun. She is known as "that girl from Albany."

Connie is originally from Manitowoc and graduated from Lakeshore Technical Institute in Sheboygan in Dental Assisting. Connie joined TriMark in 2000 and works chairside with Dr. Lyons. She enjoys spending time with her family, gardening and traveling to warm places.

Pam graduated from Blackhawk Technical College, has been employed with TriMark Dental since 1988, and is a Certified Dental Assistant for Dr. Lyons. In order to keep her certification, she does 12 hours of continuing education every year. In her spare time, she scrapbooks and spends time with her husband, family and her four grandchildren.

Shannon has been assisting with Dr. Wason since 2007. She loves talking with different people every day and hearing their stories. She enjoys cooking, exercise, listening to live music and spending time with her husband and two kids.

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Stephanie has been a dental assistant for over 10 years, and she started at TriMark Dental in 2013. She works chairside with Dr. Wason. In her free time, she enjoys spending time with family and friends.

Kristal graduated from the Blackhawk Technical College Dental Assistant program in May 2016. She now works as chairside assistant for Dr. Popp, as well as lending a helping hand wherever is needed. Kristal's hobbies include painting, playing guitar, hiking and kayaking. She appreciates a good joke and enjoys sharing a laugh with the patients.

TriMark Dental Clinic

  • TriMark Dental Clinic - 2130 Kennedy Rd., Janesville, WI 53545 Phone: (608) 752-7452 Fax: (866) 254-4324

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