Ronald W. Barrett

Concert Pharmaceuticals, Inc. is a clinical stage biopharmaceutical company, which discovers and develops novel small molecule drugs through the use of deuterium technology. Its product candidates target a range of diseases including autoimmune disorders, inflammation, and central nervous system disorders. The company was founded by Richard H. Aldrich, Roger D. Tung and Christoph H. Westphal on April 12, 2006 and is headquartered in Lexington, MA.

Part of GSK Plc, Affymax Research Institute is a company that researches and develops pharmaceutical products. The company is based in Palo Alto, CA. Affymax Research Institute was acquired by Affymax, Inc. from GSK Plc on July 30, 2001.

XenoPort, Inc. operated as a biopharmaceutical company. Its products included horizant and regnite. The company was founded by Ronald W. Barrett, William J. Dower and Mark A. Gallop on December 17, 1999 and was headquartered in Atlanta, GA.

Quadriga BioSciences, Inc. is a privately held pharmaceutical company based in an undisclosed location. The American company is focused on developing proprietary targeted cancer therapies by exploiting the biology of aggressive forms of cancer cells that over-express certain unique amino acid transporters on their cell surfaces. The company's mission is to develop safer and more effective treatments for patients with cancer. The company was founded by Bernd Jandeleit, Kerry J. Koller, and Wolf-Nicolas Fischer. Gordon Ringold has been the CEO of the company since 2015.

Medikine, Inc. is a privately held biopharmaceutical company located in an undisclosed location. The American company's mission is to transform the discovery of oncology, autoimmune disorder, and infectious disease therapeutics by employing a versatile drug discovery platform that generates modular "peptikines." These peptikines are peptide mimetics of cytokines that are smaller in molecular size than, and structurally unrelated to, the natural cytokines they emulate. Medikine's lead candidate, mdk-703, is currently in a phase 1 clinical trial in healthy volunteers. Ronald W. Barrett has been the CEO of the company since 2016.