Siebert Lutheran Foundation  

Staff & Board of Directors


Board of Directors

  • Chair: Deni Naumann, retired President of Copesan - Specialists in Pest Solutions 
  • Vice Chair & Secretary: Thomas J. Kammerait, JD, CPA, Shareholder, von Briesen
  • Treasurer: Julie Van Cleave, retired Chief Investment Officer, University of Wisconsin Foundation

Directors at Large:

  • Kurt Bechthold, Chairman & CEO, Payne and Dolan 
  • Knute Jacobson, Retired business owner 
  • Kurtiss Krueger, CPA, retired Partner, WIPFLI 
  • Joan M. Prince, Ph.D., Vice Chancellor, University of Wisconsin – Milwaukee 
  • David J. Rodgers, CPA, Senior Vice President & President, Engines & Power, Briggs & Stratton 
  • Abigail Schumwinger, Partner & Investment Director, Drexel Fund
  • John Sellars, Founder & President, Sellars, Inc. 
  • Derek Tyus, Vice President & Chief Investment Officer, West Bend Mutual Insurance Co.
  • Emily Van Dunk, Executive Director, Argosy Foundation
  • John Zimdars, President, The Zimdars Company 



General Contact

Phone: 414-269-2832
Fax: 414-249-4563

General Inquiry Email


Siebert Lutheran Foundation
758 N. 27th Street