Beth Dettman

Beth Dettman Beth at Badger game
Chief Financial Officer

Get to Know Beth

I’d Eat That
German Chocolate Cake
Favorite Game
Motivated By
Best New Thing
Adaptive Cruise Control
Hidden Talent
Baking cookies
Don't Laugh At My…

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 in 2018
  • Joined M3 in 2019
    • Chief Financial Officer
    • M3 Foundation president and executive lead
    • Lead Madison CFO Roundtable and C2 Financial Peer Group


  • Certified Public Accountant (CPA)
  • Wisconsin-licensed property and casualty agent


  • WayForward Resources, Resource Development Committee member
  • Second Harvest Food Bank, treasurer
  • Madison Symphony Orchestra Foundation, board member
  • United Way of Dane County, Women United and Key Club
  • Agrace, Finance Committee member

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