The ATAC is a private sector body that provides technical advice on U.S agricultural trade issues to the Secretary of Agriculture and U.S Trade Representative. Jointly administered by the Department of Agriculture (USDA) and the Office of the U.S. Trade Representative (USTR), the ATAC was established under the Trade Act of 1974.

As an ATAC member, Sothmann will play a significant role in developing agricultural trade policy, providing advice on negotiating objectives and strategies.