Board Members
Mark Roszkowski, DDS
Mark Roszkowski, DDS was appointed by Governor Walz to the Board February 12, 2025. Dr. Roszkowski completed his undergraduate degree in Wisconsin and moved to Minnesota in 1987 where he graduated from the University of Minnesota School of Dentistry. He then completed his residency in Oral and Maxillofacial Surgery and earned a PhD in Pharmacology at the University of Minnesota. After completing his residency and graduate school, he moved to Texas, where he served as an assistant professor at the University of Texas Health Science Center at San Antonio. During his academic career, he had the opportunity to train oral surgery residents and participate in clinical and basic science research on the mechanisms of pain and post-operative inflammation. He transitioned from academic to private practice in 2002. Dr. Roszkowski is currently a Board Certified Oral and Maxillofacial Surgeon and CEO of South Suburban Oral and Maxillofacial Surgeons, with four clinics south of the Twin Cities. Dr. Roszkowski replaces Dr. Angela Rake on the Board.Samuel E. Ankrah, MPA
Samuel E. Ankrah, MPA was appointed by Governor Walz, and Lieutenant Governor Flanagan on February 23, 2024, as a public member. He is replacing Ruth Dahl. Mr. Ankrah is a Small Business Contracting Specialist with The Minnesota Department of Transportation, Office of Civil Rights. He attended Minnesota State University, Mankato where he attained Bachelor of Science in Political Science, Bachelor of Arts in International Relations, with minors in International Business, and Economics, and Master of Arts in Public Administration.Mr. Ankrah was appointed by Governor Dayton, and Lieutenant Governor Smith to serve on the Minnesota Board of Dietetics and Nutrition Practice, and was reappointed by Governor Walz, and Lieutenant Governor Flanagan for a second term as a public member. Mr. Ankrah is very passionate about advancing equity, including promoting health equity in under-served communities.
Trina Courtright, DH, ADT
Vice President
Trina Courtright, DH, ADT, was appointed by Governor Walz on May 4, 2022 as a dental hygienist board member. She is fulfilling the remaining term of past board member Priscilla Flynn through January 6, 2025. Ms. Courtright has worked in dentistry for over 27 years and achieved degrees: AAS Dental Hygiene from Herzing University in 2004; Bachelors Healthcare Management from Herzing in 2010; and a Master of Science in Advanced Dental Therapy from Metropolitan State University in 2014. Ms. Courtright’s goals include furthering her learning with an emphasis on providing care to underserved individuals and helping people receive optimal oral and systemic health care.
Frederick "Rick" Nolting, DDS
Rick Nolting, DDS was appointed to the Minnesota Board of Dentistry by Governor Walz in March 2023. He grew up in Edina-Morningside, MN. He graduated from Edina-Morningside High School. Dr. Nolting earned his Bachelors, Dental degree (DDS) and Master’s degree from The University of Minnesota. He taught at the University of Louisville School of Dentistry for several years until returning to private practice in MN. He was in private practice in Minneapolis and owned a practice in Byron MN for many years. He now practices in Rochester and Byron, MN . He is married to Norma and they have two sons. Their son Erick is a dentist in Alexandria MN and their son Andrew owns an internet business in Palm Beach Gardens, FL. They have two granddaughters, Ayla and Amelia. Dr. Nolting replaces Dr. Klampe on the Board.Linda Gustafson
Linda Gustafson of Minnetonka was previously a Licensed Physical Therapist and during the past 30 plus years has worked in a variety of settings across the healthcare continuum. She earned her Bachelor of Science degree in physical therapy from the University of Minnesota. She has previously served on the Minnesota Board of Physical Therapy and has a strong interest in public protection. Ms. Gustafson was appointed to the board as a public member in June 2023.Ashley K. Johnson, DMD
President
Ashley Johnson, DMD is originally from San Diego, California and has been in Minnesota since 2013. She earned her undergraduate degree from the University of San Diego and her Doctor of Medical Dentistry degree from the Arizona School of Dentistry and Oral Health in 2007 as well as Certification in Public Health from the University of North Carolina at Chapel Hill in 2007. She currently practices dentistry at Apple Tree Dental and is a member of their leadership team. Dr. Johnson’s professional memberships include the National Network for Oral Health Access and the Special Care Dental Association. Dr. Johnson currently resides in the Twin Cities.
Peter Cannon, DDS
Secretary
Peter Cannon, DDS grew up in Duluth, MN attending UMD prior to dental school at the University of MN. He has practiced dentistry in downtown St. Paul for over forty years, joining the St. Paul Dental Center In January 2023. Dr. Cannon has remained active in organized dentistry for most of his career, serving as President of the St. Paul District Dental Society and President of the Minnesota Dental Association. He also served over 10 years on the Advisory Committee of the Health Professionals Services Program. He has received the President’s Award from the Minnesota Dental Association and the Prize for Journalism from the American College of Dentists. Dr. Cannon was recently appointed by Governor Walz to serve on the Minnesota Board of Dentistry. He resides in Stillwater with his wife Sherri.