Leadership

Gary Zimmer

Gary Zimmer

Founder
Dr. Tony Michaels

Dr. Tony Michaels

Chief Executive Officer
Sue Gullickson

Sue Gullickson

President & Chief Financial Officer
Jim Krebsbach

Jim Krebsbach

Vice President of Sales
Ron Mason

Ron Mason

Vice President of Procurement
Duane Siegenthaler

Duane Siegenthaler

Vice President of Strategic Sales & Initiatives
Dr. Steve Slater

Dr. Steve Slater

Scientific Advisor
Kevin Sweeney

Kevin Sweeney

Sustainability Advisor
Bob Yanda

Bob Yanda

Vice President of Growth & Development
Leilani Zimmer-Durand

Leilani Zimmer-Durand

Vice President of Education Initiatives