Rooted in Downtown Hartland for over 25 Years   phone-icon (262)367-2750

Meet the Team


Dr. Jim

Dr. Jim Muenzenberger is a 1985 graduate of Marquette University School of Dentistry, where he also taught for 6 years in the crown and bridge department. He is additionally an alumni of the University of Wisconsin-Milwaukee and Sussex Hamilton High School.

Before settling in the Lake Country Area, he participated in an advanced training program in hospital dentistry at the University of Iowa Hospitals and Clinics, gaining experience in oral surgery and other specialty areas as well as providing dental care for patients with higher risk medical conditions

His love of outdoor activities such as running, skiing, camping and hiking lured him back to Wisconsin and this beautiful Lake Country area.

Dr Jim is committed to continued learning. He has amassed over 900 hour of post graduate training through the Academy of General Dentistry, a voluntary dental education society. He also has membership in the American, Wisconsin, and Greater Milwaukee Dental Associations.

He is involved in many community organizations including the Greater Hartland Kiwanis, Hartland Chamber of Commerce, and volunteering in various capacities around the community.

He enjoys living in Hartland with his wife, Lynn, and spending time with his two grown children, Kelly and Kirk, and their families.

He invites you to be a part of his “dental family”.

Dr. Kelly

Dr. Kelly Newman is the daughter of Dr. Jim and an alumni of Arrowhead High School. She received her bachelor’s degree in biology at the University of Wisconsin-Madison. She then traveled across the border to complete her dental training at the University Of Minnesota – School Of Dentistry. Dr. Kelly is excited to be back in the badger state and practicing in her home town.

Dr. Kelly is committed to growing her skill set and has gained many hours of post graduate training through various seminars and participation in a monthly dental study club. She is an active member of the Academy of General Dentistry, a voluntary dental education society. She also has membership in the American, Wisconsin, and Waukesha Dental Associations.

Dr Kelly has a special interest in working with pediatric and special needs populations. She has worked for Children’s Hospital from 2013 to 2019 and gained extra training and skill in the dental treatment for our youngest patients during her time there. She has prior experience working with teens at United Cerebral Palsy in a non- dental setting. She finds work with the young, the old  and everyone in between very rewarding and would love to treat your whole family.

Dr Kelly is involved in many community organizations, and spent 5 years serving as an Ambassador on the Hartland Chamber of Commerce. Dr Kelly is also a co-founder of Launch, Lake Country’s young professionals group. She volunteers and participates in many activities around town.

She also keeps active with her husband Randy. The couple participates in an adult ski race league with MMSC and enjoy spending time outdoors, with family and with friends.  They have a daughter, Josie, a son, Zeke, and are expecting another daughter in March 2019.

Dr. Kelly would love to get to know you and assist you in achieving your ideal smile.

Office Staff

Mindy Meyer – Hygienist

Mindy is a graduate of Marquette University. She has been practicing dental hygiene since 1999 and is truly a preventive specialist.

She has extensive knowledge of gum disease and uses state of the art equipment and techniques to non-surgically treat disease and maintain health in her patients. With her gentile touch and calming nature she will make you look forward to getting your teeth cleaned.

Originally from Chicagoland, Mindy is married and has two children and has resided in the Sussex area since 2012. She enjoys spending time with her family and all the fun things the Lake country has to offer. She looks forward to meeting you.

NOW HIRING: Dental Hygienist

We are happy to announce that our team is growing.  Come join our small town, but progressive family practice.  We are looking for a licensed dental hygienist to join our staff in a part time role.  If you are an enthusiastic, friendly, easy going, experienced, hard working, efficient, self-motivated, patient-centered practitioner with excellent clinical skills you might be just what we are looking for. If you enjoy a close knit family setting, friendly caring coworkers, and a chance to practice preventive and therapeutic hygiene to it’s fullest, we might be what your looking for.

If you would like to join our small, fun, close knit dental team (family), please reach out to us at (262) 367-2750 or

Lacy Saffert – Office Administrator

Lacy has worked at the office since 2001, starting as a dental assistant, working in every department, and evolving to her current position. Her wide range of job experience and knowledge are well suited to helping you coordinate your “dental experience”. She enjoys taking care of your appointments, your questions, and just saying hello.

She grew up in northwestern Wisconsin where she was active in softball and volleyball.

Now she remains active chasing after her husband, Corey, and two children, Kadin and Breckin.

Lacy’s bright smile is here to greet you at your next visit.

Lisa Figueroa – Certified Dental Assistant

Lisa has worked as a certified dental assistant since 1982. Learning and practicing her craft originally in Florida, she moved back to her native Oconomowoc in 1994 to be closer to her family and that “small town” life.

She has been working for Dr. Jim since then, using her broad experience, and calming   nature to put people at ease during their appointments. She has a way of making you feel just like family.

Lisa enjoys spending time with her husband, Marty, and three children, Tommy, Clark and Elena. She is an active volunteer at her local school and church. In her free time Lisa is an avid reader.

Bonnie joined our team in April, 2018, as our new dental receptionist.  She is excited to join the Generations Dental team and hopes to make an impact on the patients we serve.

Born and raised in Oconomowoc, Bonnie is married to her husband, David, and still resides there.   She worked in education before joining our dental practice. Bonnie always had an interest in the medical field and feels up to the challenge of learning about the world of dentistry.

In her free time, Bonnie enjoys volunteering at her church, gardening, reading, and taking long walks with husband and golden retriever, Missy.