Presently, David S. Simmons holds the position of Chairman & Chief Executive Officer at PPD, Inc. and Chairman & Chief Executive Officer for Pharmaceutical Product Development LLC (a subsidiary of PPD, Inc.).

He is also on the board of Albany Molecular Research, Inc., Edelman Financial Engines LLC and First Tee of Greater Wilmington and Chief Executive Officer & Director at Association of Clinical Research Organizations.

David S. Simmons previously occupied the position of Member of U.S.-India Business Council, Member of U.S.-Russia Business Council, President-Emerging Markets at Pfizer Inc. and President-Pharmaceutical Division at Pfizer Hellas AE (a subsidiary of Pfizer Inc.) and Vice President-Marketing for PF Consumer Healthcare Canada ULC.

David S. Simmons received an undergraduate degree from Carnegie Mellon University.