Commissioners
Chad Trowbridge
WISC Chairman
Business Manager
Chippewa Falls Area Unified School District
(715) 726-2417 ext. 1806
Laurie Grigg, CPA, MBA
Controller
Madison College
(608) 258-2401
Ben Irwin
Director of Business Services
School District of Whitefish Bay
(414) 963-3903
Steve Summers
Business Manager
Waunakee Community School District
(608) 849-2491
Margaret Hamers
Finance Director
Washington County
(262) 335-4745
Aaron J.J. Engel, Ph.D
Superintendent
School District of La Crosse
(608) 789-7628
Robert Stewart
District Administrator
School District of Alma
(608) 685-4416 ext. 209
Derik Summerfield, CMTW
Assistant Finance Director
City of Wauwatosa – Treasurer’s Office
(414) 479-8961
Becky Hansen
Executive Director of Business Services & Sustainability
Kimberly Area School District
(920) 423-4134
Josh Viegut
Assistant Superintendent of Operations
Wausau School District
(715) 261-0516