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Beth Dettman CPA

Beth Dettman
Chief Financial Officer

Get to Know Beth


Beth Dettman is chief financial officer (CFO) 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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