DGN offers clients depth of expertise, breadth of services, personalized attention

DGN announces five new team members + achievements on CVA exam

Dennis, Gartland & Niergarth (DGN), northern Michigan’s largest locally owned, full-service public accounting firm, recently announced the hiring of five new staff members and achievements on Certified Valuation Analyst exam.

Tucker Keith, CPA, MSA has joined DGN as a Senior Audit Accountant after three years with a small, regional public accounting firm in the Indianapolis area. Tucker achieved his Bachelor of Science with an emphasis in Accounting and Master of Science in Accounting both from Ball State University.


Erin Sedlacek has joined DGN as a Small Business Supervisor. Erin graduated with a Bachelor in Business Administration with a concentration in Finance from Grand Valley State University. Erin has three years auditing experience in public accounting, five years performing controller/financial functions with a family group of local companies, and an additional five years with an oil and gas company.

Joe Churchill, CPA, MSA has joined DGN as a Tax Manager. Joe brings over seven years of tax experience from a large, locally-owned firm in Chicago. Joe also served previously as an Operations Accountant and Director of Marketing with an assurance corporation. He completed his Master of Science in Accounting from Wayne State University and his Bachelors of Arts in Accounting with International Business Specialization from Michigan State University.

Mary Lakin has joined DGN as a part-time, year-round Administrative Support team member. Mary has worked previously in a public accounting setting, as well as bringing experience performing office management functions in medical, school and other professional settings.


Suzanne Rizzo has joined DGN as an Administrative Support team member. Suzanne has over 20 years of experience in professional office settings, including having performed positions with university, financial management and banking. She has a Bachelor of Arts degree from University of Michigan.


Dallas Worden has successfully earned Certified Valuation Analyst (CVA) designation. Dallas joined DGN Advisory in July of 2019 after 3 years with a financial consulting and litigation firm in the Detroit area. He completed his Bachelors of Arts Degree in Economics with a Business Cognate emphasis from Michigan State University.


Dennis, Gartland & Niergarth is northern Michigan’s largest, locally owned, full-service public accounting firm. Founded in 1973, the firm is based in Traverse City, Michigan with a team of experienced, highly trained staff dedicated to providing outstanding accounting, tax and consulting services to businesses and individuals throughout the state and beyond. DGN's guiding principle is – Our clients’ success is our business.

DGN was recently named a 2019 “Best of the Best” and “Top 400” firm in the United States by INSIDE Public Accounting (IPA). This is the third consecutive year that DGN has been recognized by IPA.

The DGN team is led by several partners with broad expertise in public accounting and its many services:

  • Thomas E. Gartland, MBA, Founding Partner, Retired
  • Brad P. Niergarth, CPA
  • James G. Shumate, CPA, MST
  • Robert C. Thompson, CPA, CVA, MBA
  • Michael D. Shaw, CPA, Retired
  • Mary F. Krantz, CPA, CHBC
  • Shelly K. Bedford, CPA, MST, CVA
  • Heidi M. Wendel, CPA, CFE
  • Shelly A. Ashmore, CPA, MST
  • James M. Taylor, CPA, CFP®
  • Trina B. Edwards, CPA, CGFM
  • John A. Blair, CPA
  • James V. Cusenza, CPA
  • Laurie A. Bamberg, CPA