 Before moving to BIDMC/HMS, Cummings was the William Patterson Timmie Professor and Chair of the Department of Biochemistry at Emory University School of Medicine in Atlanta, Georgia from 2006-2015.At Emory, Cummings was a founder in 2007 of the Emory Glycomics Center.Prior to moving to Emory, Cummings was the Ed Miller Endowed Chair in Molecular Biology, the George Lynn Cross Professor in Biochemistry, and Professor of Biochemistry and Molecular Biology at the University of Oklahoma Health Sciences Center, College of Medicine, in Oklahoma City, Oklahoma from 1992-2006.