Samuel C. Wadsworth is Chief Scientific Office at Ultragenyx Pharmaceutical, Inc.

He is also on the board of Precision BioSciences, Inc.

He previously held the position of Chief Scientific Officer at Dimension Therapeutics, Inc., Director-Molecular Biology at Genzyme Corp. and Principal at Sanofi-Aventis U.S. LLC.

He received a doctorate from The University of Chicago and an undergraduate degree from Southern Illinois University.