Board of Directors

Meet our member-elected Board of Directors, our Executive Team and our Member Advisory Council. Together they lead over 800 employees and help Group Health Cooperative of South Central Wisconsin (GHC-SCW) stay connected with our members.

Ann Hoyt

Ann Hoyt - President
University of Wisconsin - Madison - Retired 

Henry Sanders

Henry Sanders - Vice President
Public Law Executive


Bill Oemichen - Treasurer
State of Wisconsin Department of Health Services 

Donna Twining

Donna Twining - Secretary
Group Health Cooperative of South Central Wisconsin (GHC-SCW) 

Kenneth Machtan

Kenneth N. (Ken) Machtan
State of Wisconsin - Retired 

Jason Hampton

Jason Hampton, MD
Group Health Cooperative of South Central Wisconsin (GHC-SCW)

Mary Wright

Mary R. Wright
Wisconsin Housing and Preservation Corporation 

Michael E. Mullee

Michael E. (Mick) Mullee
Wisconsin Affordable Housing Corporation

Judy Ziewacz

Judy Ziewacz
Wisconsin Department of Agriculture, Trade and Consumer Protection - Retired 

Mark Frankel

Mark Frankel
Dane County Reserve Circuit Court Judge 

Nanette Schiller

Nanette Schiller
American Family Insurance

GHC-SCW Senior Leadership Team

Mark Huth

Mark Huth, MD
Chief Executive Officer 

Mark Dalebroux

Mark Dalebroux
Chief Human Resources Officer

Nancy Hagen

Nancy Hagan, RN, MSN
Chief Nursing and Clinic Operations Officer

Chris Kastman

Chris Kastman, MD
Chief Medical Officer​

Bruce Quade

Bruce Quade
Chief Financial and Information Officer

Al Wearing

Al Wearing
Chief Insurance Services Officer