GSG Staff
Chris Holdgreve
Chief Executive Officer
(202) 297-3081
Chris has more than 24 years of experience working for non-profit organizations in Washington, D.C. Over the past 12 years he has led GSG.
Previously, he led the government affairs department for the National Grain and Feed Association. In this position he developed and implemented the association's legislative and government affairs strategy.
Chris began his career as the assistant director of the Wheat Export Trade Education Committee focused on improving trade policies for U.S. wheat farmers.
Chris lives on the Eastern Shore of Maryland with his wife Jennifer and their three children.
Priscilla Barbara Vincent
Senior Director, Program & Operations
(202) 997-9034
Priscilla joined GSG early 2023 and is responsible for driving industry participation in the Global Stewardship Group's programs, improving our quality management system, and developing a new academic program.
Originally from France, Priscilla moved to the U.S. in 2014 and settled in Tampa, Florida. Previously, she received a master's degree in International Management from the American Business School in Paris.
Professionally, Priscilla has over five years of experience as a Program and Operations manager in the eLearning industry and is a PMP certified project manager.
In addition, Priscilla owned a French gourmet restaurant by the time she was 23, which greatly shaped her entrepreneurial spirit!
David Knowles
Senior Director, Membership & Outreach
(410) 810-4444
David joined GSG in 2023 as Membership and Outreach Manager.
David served for seven years as the Director of Communications for the Corn Refiners Association. In that role, he helped to lead a multimedia campaign to combat negative publicity and regulatory action against high fructose corn syrup. Prior to that, he worked as a television news journalist for two NBC affiliate stations, and as a political communications specialist on the staff of the Illinois Legislature.
Originally from Baltimore, David lives in Severna Park, Maryland with his wife Wendy and their two daughters.