At Bierie Dental, our attitude sets us apart. All members of our team enjoy their jobs and take pride in the healthy atmosphere they help create. We appreciate spending time together at and outside of work. That friendly culture is what makes your dental experience unlike any other.

The Bierie Dental team is dedicated to excellence and works together in every way to make you feel like part of our dental family.

Get to know the people who make your dental visits so great.




Dr. Luke Hemann  grew up in Osage IA, a small town about 2 hours north west of Dubuque. Dr. Luke developed his strong work ethic early on by working many hours on his family farm raising cattle.

As a native Iowan, Dr. Luke has been a diehard (Dr. Luke’s own words) Iowa Hawkeye fan since birth. He grew up never missing a Hawkeye football game and never dreamed of going to college anywhere else. He graduated from University of Iowa with a degree in business management with a minor in chemistry.

Dr. Luke graduated and received his D.D.S. from the University of  Iowa College of Dentistry. While at Iowa, Dr. Luke received the National Award for Outstanding Student from the American Academy of Craniofacial Pain. Dr. Luke is currently a member of the American Dental Association, Iowa Dental Association, and Dubuque District Dental Society.

Dr. Luke joined the Bierie Dental Team in 2012 after returning from his honeymoon. Dr Luke and his wife have three energetic boys who keep them very busy along with their rescue dog, Charlie.


Dr. jeffry breitbach

Dr. Jeffry Breitbach joined the Bierie Dental Team in January 2024 after four years working at the local community health center in Dubuque.  Dr. Breitbach is a Dubuque native and graduated from Wahlert High School and Loras College before completing his doctorate at the University of Iowa College of Dentistry.  While in undergraduate, Dr. Breitbach majored in biochemistry and was the president of the Health Science Club and vice president of the American Chemical Society.  Dr. Breitbach is currently a member of the American Dental Association, Iowa Dental Association, and the Dubuque District Dental Society.

In his free time, Dr. Breitbach enjoys watching sports and live music, traveling, and playing golf. His favorite teams are the Green Bay Packers and, of course, the Iowa Hawkeyes.  Dr. Breitbach is the youngest of four children with three older sisters and currently has eight nieces and nephews.  He looks forward to continuing his dental career in Dubuque as he enjoys spending time with his family and would like to continue giving back to the community he grew up in.




Krista is a Registered Dental Hygienist who started working with the Bierie Dental team in early 2011 to cover another team member’s leave. Krista became such a valuable member of the team that in 2012 she was asked to join the Bierie Dental Team full-time.

Krista graduated with an Associate of Applied Science Degree in Dental Hygiene from Hawkeye Community College and has been in the dental field since 2006. She graduated with high honors and received the Colgate Student Total Achievement Award for excellence in academics and patient care.

Krista resides in Dubuque with her husband and 2 daughters. She enjoys watching her oldest do gymnastics, chasing around her toddler, fitness, and spending time with her family and friends especially outside in the sun. Originally from Wisconsin, she is a HUGE Green Bay Packer fan… Go Pack Go!


Erica became a team member at Bierie Dental in 2009. Erica graduated with an Associate in Applied Science degree in dental hygiene from Hawkeye Community College in Waterloo. She graduated with honors and scored in the top 5% in the nation on her dental hygiene boards. Erica enjoys getting to know her patients and educating them about their oral health. She takes great pride in her work and is very passionate about dentistry.

Erica enjoys spending time with her husband and two sons. She enjoys watching her boys play hockey and other sports. In her limited free time, she loves to travel, shop online, and cheer for the Iowa Hawkeyes.


Melissa joined the Bierie Dental Team as a part time Registered Dental Hygienist over 20 years ago after relocating from Central Iowa.  She received her Associate in Applied Science Degree in Dental Hygiene from the Des Moines Area Community College, graduating with honors. Prior to becoming a dental hygienist, she earned her Associate in Business degree and worked several years in the dental field as a business administrator.

Melissa enjoys spending her free time with her husband and four children.  She also enjoys running, hiking, and working on personal development & time management.  She has an entrepreneurial spirit with experience as a child portrait photographer & is the owner of an e-commerce stationery business.  Currently, she is building a coaching business to help entrepreneurial mothers with health & wellness.


Teresa graduated from Dental Hygiene School in 1984 from St Petersburg Junior college in St. Petersburg, Florida.  She joined the Bierie Dental team in the fall of 2021 and with her extensive dental experience quickly become a valued member of the team.

Teresa and her husband Darryl live on a farm just outside of Guttenberg where they raise Red Angus Beef. They have 2 adult children and 3 grandchildren. Theresa enjoys running, yoga and loves to cook.  



Kristi is a graduate of Northeast Iowa Technical Institute’s Dental Assisting Program. She holds both a CDA and RDA dental assisting license. Kristi started her dental career working as a dental assistant at Bierie Dental and has been an integral member of the team ever since.

Kristi strives to make patients feel at ease and make their dental visits comfortable. She enjoys sharing her extensive dental knowledge with patients and is dedicated to making sure they are educated about their treatment choices.

In her free time Kristi enjoys spending time with her husband and their family — especially with her 5 little grandchildren.  She also greatly enjoys quilting. A native Wisconsinite, Kristi enjoys watching the Badgers and Packers.



Emma is a graduate of Northeast Iowa Community College’s Dental Assisting Program. She spent her last clinical rotation here at Bierie Dental and knew it was a great fit for her so, upon graduation Emma decided to become a full- time member of the Bierie Dental Team. With her warm personality and strong work ethic, and willingness to learn new things, she has become a valued member of the team.

Emma enjoys spending her free time with family, friends and her Cavachon Oakley. She also enjoys  traveling, outdoor activities and keeping up with the latest trends.



Kathy is a graduate from Northeast Iowa Community College’s Dental Assisting Program. She has 30+ years of dental assisting experience. Her decision to join the Bierie Dental team was influenced by the healthy and happy work atmosphere here at Bierie Dental. She is a professional that loves all aspects of dentistry and providing care and compassion to our patients.

Away from the office Kathy enjoys time with her husband and 2 adult children. Her most precious moments are spent with her granddaughter.

Kathy has an amazing sense for detail that extends further then dentistry. She has a keen eye for interior design and is an accomplished doll house builder. She loves all craft ideas and is always working on a project.


Bierie Dental : Specialized Dental services for the entire family, located in Dubuque, Iowa


Abbie joined Bierie Dental in June 2022 after completing the dental assisting program at NICC.  Abbie enjoys meeting new people and helping her patients have a pleasant experience.

In her free time, Abbie enjoys painting, dog sitting, and spending time with her friends and family.




Erin became a member of the Bierie Dental team in 1999. Born and raised in Pittsburgh, Pennsylvania, Erin received bachelor’s degrees in psychology from Clarion University and in nursing from Creighton University. Given her diverse background, it is not surprising that Erin has taken on many different roles since joining the Bierie Dental team.

Erin spends her free time with her husband and their chickens. She also enjoys doing yoga, loving polar bears, and cheering on the Dubuque Fighting Saints, the Pittsburgh Penguins, and the Pittsburgh Steelers.


Kathy joined Bierie Dental in February of 2022.  She has a background in both dental assisting and dental business administration and is a natural fit for the team.
Kathy enjoys spending time with her husband and two boys.   She especially loves gardening and watching her sons at their school activities.


Heather joined the Bierie Dental team in June 2019, as the Insurance Coordinator. Her extensive dental & insurance experience she has been a tremendous asset to the team. Heather graduated from the Dental Assisting Program at Northeast Iowa Community College and has been involved in the dental field for over 24years.

Heather’s dental knowledge & background as a Registered/Certified Dental Assistant make her invaluable for dealing with dental insurance companies.  Solving problems is one of Heathers biggest strengths and she enjoys being able to help patients navigate & understand the complicated workings of insurance.

In Heather’s free time, she enjoys spending time with her husband, her 3 grown daughters & her dog Charli.  In August 2022, they joyfully welcomed their first grandchild, Hazel, into their lives.  She also enjoys riding their Harley, catching a St. Louis Cardinals game, camping, fishing, hiking, & watching a good movie or snuggled in with a good book.

Your smile is a valuable resource.
Renew it today!

Call 563.556.3213 to schedule your appointment.