Leadership Staff

Joe Diglio
President & CEO

Sheila Burkhardt
Chief Corporate Affairs Officer

Gasper Calandrino
Director of Engineering

Ben Chapin
Director of Member Services

Molly Costaris
Director of Commodity Sales

Dave Davis
Constantine Plant Manager

John Fritzler
Director of Logistics & Plant Production Planning

Sudeep Jain
Director of Quality

Kelly Kerrigan
Director of Human Resources

Dean Letter
Director of Cooperative Services & Insurance

Judy Lofgren
Director of Retail Sales

Brad Parks
Director of FP&A and Business Development

Greg Soehnlen
Chief Operating & Business Development Officer

Jeannie Strain
Corporate Controller

Therese Tierney
Director of Accounting

Steve Williams
Information Technology Director

Board of Directors

The MMPA board of directors is comprised of 13 dairy farmer members elected at MMPA district and annual meetings. These directors serve three-year terms and work with cooperative management to set the strategic direction of the co-op and make decisions to ensure the current and future success of the business.


Doug Chapin, Board Chairman

Tony Jandernoa, Board Vice Chairman

Eric Frahm, Treasurer

Joe Diglio, President and CEO

Sheila Burkhardt, Secretary

Greg Soehnlen, COO

Todd Hoppe, General Counsel


Carlton Evans, Litchfield, MI (District 1)

Aaron Gasper, Lowell, MI

Kurt Steiner, Creston, OH (District 1)

Bruce Benthem, McBain, MI

Kris Wardin, St. Johns, MI

District Directors

Carlton Evans, Litchfield, MI
District 1

Kurt Steiner, Creston, OH
District 1

Brian DeMann, Martin, MI
District 2

Brian Preston, Quincy, MI
District 2

Doug Chapin, Remus, MI
District 3

Bill Stakenas, Free Soil, MI
District 3

Corby Werth, Alpena, MI
District 4

Eric Frahm, Frankenmuth, MI
District 4

Scott Lamb, Jeddo, MI
District 5

Tony Jandernoa, Fowler, MI
District 5