Manager - Yankton, SD

Andi Martin, CPA

Experience

Andi joined Williams & Company as a staff accountant in October 2019. She advanced to senior accountant in January 2022, supervisor in January 2024, and was promoted to manager in June 2025. 

Her interest in accounting developed during her first semester of college after starting as a business major. Andi enjoys supporting clients through the advisory process and helping them achieve their goals. She values the collaborative team environment that motivates her daily. 

Areas of Focus

  • Tax Planning & Consulting 

  • Tax Preparation 

  • Financial Planning 

  • Agriculture – Planning & Consulting 

  • Non-profit Tax Preparation 

Education & Certifications

  • Bachelor of Science in Accounting, Dakota Wesleyan University 

  • Master of Business Administration, Dakota Wesleyan University 

  • Certified Public Accountant (CPA) 

Professional Affiliations

  • Member, South Dakota Society of Certified Public Accountants (SDCPA) 

  • Member, American Institute of Certified Public Accountants (AICPA) 

Community Involvement

Andi serves on the boards of the Sertoma Club of Yankton and NextWave in Yankton. She believes community involvement is important as a way to give back to the community that has supported her throughout her life, strengthen relationships, and create positive change. 

Beyond the Numbers

Andi enjoys playing golf, spending time outdoors, and being with family and friends. 

Support Team

Beth Youngblom

Michelle Folkers

605-665-9401 

605-665-9401