About Board of Managers

Doug is a fifth generation farmer in Southeastern Illinois, with a Bachelor of Science Degree in agricultural economics from Southern Illinois University. He continually strives to improve his farm’s sustainability and profitability by improving current practices, as well as implementing new strategies and technologies. His farming operation includes raising commercial soybeans, seed soybeans, yellow corn, wheat, and milo, and occasionally white corn. He is a seed sales representative for Pioneer. Doug is currently serving in his ninth year as a United Soybean Board Director and has many years of service in the agricultural industry, beginning with the White County Soil and Water Conservation Board, and continuing with the White County Farm Bureau, the White County 4-H Extension Service, and as an advisor to the Southeastern Illinois College Board.

John Buboltz is Cargill’s North American Soybean Processing Manager. John has 24 years+ of experience in the grain/oilseed industry and has been employed with Cargill since 2000. John began his Cargill career, working for Cargill’s flour milling joint venture, Horizon Milling, in various wheat trading, merchandising and risk management roles. In 2011, John moved over to the CASC platform as Hard Red Winter Wheat Product Line Manager and in 2013 transferred to Winnipeg, Canada, to take on the role of BU Risk Management Leader. He returned to Minneapolis in 2016 as the North American Oilseed Product Line Leader, managing Cargill’s soybean export and origination program and in 2018 moved over to the crush desk to lead Cargill’s North American soybean processing business.

Tom has over 40 years of involvement in the Washington agricultural and international trade policy area. He has extensive experience in both the government and private sector.

Hammer’s government experience includes service as Deputy Under Secretary for International Affairs and Commodity Programs at the U.S. Department of Agriculture from 1981-1982. Currently, Hammer serves as Vice Chair on the Agricultural Policy Advisory Council (APAC) for Trade to the Secretary of Agriculture and the U.S Trade Representative.

He is a member of several industry organizations, including the National Association of Manufacturers’ (NAM), the Council of Manufacturing Associations, the U.S Chamber of Commerce, the Washington Agricultural Roundtable, and the Manufacturing Action Council. He is also a member of the U.S. Soybean Export Council (USSEC) and its Sustainability and Market Access Strategic Utilization Team.

Hammer received his Bachelor of Arts degree from Marietta College, Marietta Ohio and earned his Master’s in Business Administration (MBA) from the George Washington University, Washington, DC.
He resides in Washington, DC with his wife Anne.

Before assuming the presidency of NAEGA, Gary was a NAEGA Board Director and officer, representing Farmland Industries, Inc. At Farmland he had several responsibilities including Director of Trade and International Relations, Director of Grain Marketing, and Founder and President of Farmland Graños in Mexico. From 1990 to 1992 Mr. Martin served the Administration of George H.W. Bush at the US Department of Agriculture as Deputy Administrator of Commodity Operations and as an officer of the Commodity Credit Corporation. In the first year of the Clinton Administration, from 1992 to 1993, he served as an advisor to the Special Ambassador to the former Soviet Union at the U.S. Department of State.

Gary earned a B.Sc. in Agricultural Economics, with highest honors, from the University of Illinois, Champaign-Urbana. He is also a graduate of the University of Missouri, Institute of Cooperative Leadership, and has graduate studies in International Transactions at the George Mason University. Gary and his wife Denise reside near Leesburg, Virginia USA.