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Beth Dettman CPA

Beth Dettman
Chief Financial Officer

Get to Know Beth


Beth Dettman is chief financial officer (CFO) and a partner at M3 Insurance. She is responsible for developing initiatives to achieve strategic organizational plans with an emphasis in areas of finance, tax, mergers & acquisitions, and stakeholder alignment. She is committed to fostering key client, community and professional services relationships on M3’s behalf. Dettman is a member of M3’s Executive Operating Committee.

  • Earned a Bachelor of Arts in accounting from Valparaiso University
  • Served Madison Investment Advisors for 23 years, as CFO prior to transitioning to chief operating officer (COO) in 2018
  • Joined M3 in 2019


  • Certified Public Accountant (CPA)


  • M3 Foundation, executive lead
  • Madison CFO Roundtable, active member
  • Middleton Outreach Ministries, Resource Development Committee member
  • Food Fight Inc., board member
  • Madison Symphony Orchestra Foundation, board member
  • United Way of Dane County, Women United and Key Club member

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