Home / USGC Global Presence / U.S. Headquarters OfficeU.S. Headquarters OfficeExecutive Team Ryan LeGrand President and CEO Cary Sifferath Vice President Courtney Coe Executive AssistantEthanol and Economics Mackenzie Boubin Director of Global Ethanol Export Development Isabelle Ausdal Manager of Global Ethanol Policy and Economics Stella Qian Manager of Global Ethanol Market Development Joana Hassan Manager of Global Ethanol Programs Cierra Walker Global Ethanol Programs CoordinatorGlobal Strategies Kurt Shultz Senior Director of Global Strategies Kyle C. Gilliam, Ph.D. Manager Of Global Strategies and Trade Katy Wyatt Manager of Global Strategies Sam Clemence Global Strategies CoordinatorGlobal Programs Emily Byron Director of Global Programs Sadie Marks Manager of Global Programs Jack Custard Manager of Global Programs Sierra Richey Global Programs CoordinatorTrade Policy and Biotechnology Andrew Brandt Director of Trade Policy Carlos Suarez Manager of Sustainability, Policy and Innovation Jordan Crowe Trade Policy CoordinatorCommunications Bryan Jernigan Director of Communications Emily Sutton Manager of Communications Will Margerum Communications CoordinatorIndustry Relations Ellen Zimmerman Director of Industry Relations Amelia Iliohan Manager of Industry Relations Teresa Myers Meetings Manager Emily Schneider Industry Relations CoordinatorFinance Addis Tilahun Director of Finance Donna Braswell Manager of Overseas Accounting Joseph Lojo Manager of Domestic Accounting Mevis Clarck Accounting Coordinator Milla Par Junior Accounting AssistantAdministration Helen Elmore Director of Administration and Operations Yeshake "Isaac" Belete IT Manager Pooja Pokharel Manager of Program Funding
