Preston S. Klassen

Preston Klassen holds the position of President and Head of R&D at Regulus Therapeutics since June 2023. Previously, Preston served as President & CEO at Metacrine, Inc. from June 2020 to July 2023, and as EVP and Head of R&D at Arena Pharmaceuticals, Inc. from March 2017 to June 2020. Additional roles include Chief Medical Officer and President of SANIFIT U.S. and EVP, Head of Development at Orexigen Therapeutics. Preston's career also includes a tenure as Exec Dir and Nephrology Therapeutic Area Head at Amgen. Educational credentials include an MD and MHS in Medicine/Nephrology from Duke University School of Medicine, completed between 1994 and 2000.