MDA Officers

Dr. Rosalie Perpich


Phone: 651-351-0890

Dr. Perpich graduated from the University of Minnesota School of Dentistry in 1997. She then completed a hospital residency at the Veterans Administration in Philadelphia, PA. She has a passion for working with older adults, and she opened a satellite office in 2009. She serves on the Minnesota Dental Foundation and on the Editorial Advisory Board. In her spare time she enjoys yoga, camping, cooking, traveling, art, and photography.

Dr. Alejandro Aguirre

President Elect

Phone: 763-458-3564

Dr. Aguirre graduated from Universidad Nacional de Mexico in 1987. He is a 1992 graduate of the University of Minnesota School of Dentistry’s endodontics program. In 1997, he earned his U. S. dental degree at the University of Missouri-Kansas City School of Dentistry, where he also taught. Dr. Aguirre has served in numerous positions on all three levels of our tripartite. He currently serves on the MDA’s Membership Committee and is the Minnesota Mission of Mercy State Lead, a position he’s held since 2012. In 2017 he was the recipient of the MDA President’s award.

Dr. Scott Wagnild

First Vice President

Phone: 218-736-4000

Dr. Scott Wagnild graduated in 1989 graduate from the University of Minnesota School of Dentistry. Following his graduation, he spent three years in a hospital-based general practice residency program at the Wake Forest School of Medicine in Winston-Salem, North Carolina. He has practiced in Fergus Falls for more than 20 years and has served on several MDA committees and as a West Central District trustee. Dr. Wagnild enjoys outdoor activities, early morning exercise at the YMCA, restoration projects on his old house, and volunteering in his community.

Dr. John Noack

Second Vice President

Dr. John Noack earned a Bachelor of Science degree in Biology from St. John’s University in 1990 and then went on to earn his Doctor of Dental Surgery degree with honors from the University of Minnesota School of Dentistry in 1994. Immediately after dental school, he was awarded an Advanced Education in General Dentistry residency in the United States Air Force where he received additional training in all aspects of dentistry. After his residency, he served a 3-year active duty tour in Germany before returning to Northfield, MN. Dr. Noack holds memberships with numerous professional organizations. He enjoys all facets of general and cosmetic dentistry with a particular interest in helping sleep apnea and phobic patients. Dr. Noack is married to Jean and they have three children. He is passionate about baseball and enjoys spending time with friends and family.

Dr. Loren Taple


Phone: 651-687-0789

Dr. Loren Taple graduated from the University of Minnesota School Of Dentistry in 1989. He then completed a residency in Advanced General Dentistry at the University of Minnesota. Dr. Taple has served as an adjunct faculty to the University of Minnesota’s School of Dentistry. He is a past president of the Saint Paul District Dental Society and has and served on several MDA committees throughout the years.

Dr. Stephen McDonnell

Speaker of the House

Email: mcdonnellsn83@gmail.com

Dr. Steve McDonnell earned a Doctor of Dental Surgery degree from the University of Minnesota. He has been very active in the dental community throughout his career, providing free dental care at the Union Gospel Mission dental clinic, serving as president and trustee of the St. Paul District, as well as holding several dental education leadership positions with the MDA and ADA. In 2009 and 2012, Dr. McDonnell received Outstanding Service Awards from the MDA and the St. Paul District Dental Society. He has also devoted much time and talent serving as a volunteer and leader in various community and church organizations.

MDA Board of Trustees

Dr. Lee Ann Herbert

Minneapolis District

Phone: 763-475-2820

Fax: 763-475-1037

Dr. Geetha Damodaran

Saint Paul District

Phone: 651-429-0404

Dr. Zach Hazelton

Northwestern District

Phone: 218-333-8668

Dr. Brandon Ulstad

West Central District

Phone: 320-598-7433

Dr. Nathan Pedersen

Northeastern District

Phone: 218-263-8381

Dr. Paul Morgan

Southeastern District

Phone: 507-454-2020

Dr. Seth Huiras

Southern District

Phone: 507-364-8001

Mr. Brady Hartman

Student District

Dr. Scott L. Morrison

ADA Trustee for the 10th District

Phone: 402-658-3550

Angela Amann

Ms. Angela Amann

Legal Counsel

Phone: 651-451-1831

Fax: 651-450-7384