Former Housing and Urban Development Secretary Dr. Ben Carson was sworn in on Wednesday as the chief representative of the Make America Healthy Again adviser to the U.S. Department of Agriculture, where he is expected to help update dietary guidelines for federal food programs.

The USDA announced that Carson was tapped by Secretary Brooke Rollins and President Donald Trump as the National Advisor for Nutrition, Health, and Housing for the department, which is slated to be working on “nutrition, rural healthcare quality, and housing accessibility.”