Ken Robertshaw

Vice President

Grain Origination

Ken joined Greenfield in 2006 and is currently Vice President, Grain Origination. A long-time resident of Southwestern Ontario, Ken is responsible for the structuring and success of Greenfield’s ever-evolving corn procurement program.  Ken has more than 30 years of experience in the agricultural industry. This includes working for Cargill Limited for 25 years, where he managed grain assets and logistics and held several roles in grain merchandising, with the last post being the Merchandising Manager for Eastern Ontario.  He also sat on the board of a large grain company in Quebec for 16 years as well as the Board of Directors for Ontario Agri Business Association.

Ken studied Horticulture at the University of Guelph.

Kenneth Field

Chair and Founder

Howard Field

President and CEO

Marty Cormier

Senior Vice President


Douglas Dias

Vice President

Market Intelligence & Chief Risk Officer

Ron Kean

Vice President

General Counsel & Corporate Secretary

Andrea Kent

Vice President

Government and Public Relations

Gary McInerney

Senior Vice President

Global Sales

David Meadows

Vice President

People and Culture

Jean Roberge

Vice President

Renewable Energy Strategies

David Salt

Vice President

Corporate Engineering

Jeff Stone

Vice President

Finance and Information Technology

Malcolm West

Vice President

Corporate Finance and Chief Financial Officer

John Wilkinson

Senior Vice President