Paul A. Stone, JD
General Counsel and Chief Operating Officer

Paul A. Stone joined 5AM Ventures in July, 2009 as General Counsel and Chief Operating Officer.   In this role, Paul handles legal matters and operational aspects of the firm, with responsibilities for finance, human resources, information technology and facilities.  He also assists in investment operations of the firm, supporting investor relations, existing portfolio companies and new investments.

Paul has held management and operating roles at private biopharmaceutical companies.  Most recently, he was General Counsel and Senior VP Intellectual Property at Ethos Pharmaceuticals, Inc. (Redwood City, CA), a company researching peptide therapeutics.   Previously, Paul was Senior VP, General Counsel, and Chief Patent Counsel, at Ilypsa, Inc. (Santa Clara, CA), a company directed to non-absorbed pharmaceuticals in renal, metabolic and infectious disease areas, which was acquired by Amgen in 2007 ($420 million).  Prior to Ilypsa, Paul was VP, Chief Patent Counsel for Symyx Technologies, Inc. (Santa Clara, CA), a pioneering combinatorial materials science company.  Paul began his legal career as a Patent Attorney at Senniger, Powers, Leavitt & Roedel (St. Louis, MO).   

After receiving his degree in Chemical Engineering, University of Wisconsin – Madison (1985), Paul was a Naval Officer aboard the USS NIMITZ (CVN-68).  He subsequently worked as an engineer at Boeing (Seattle, WA) and Wisconsin Electric Power Company (Milwaukee, WI).  Paul received his J.D. from University of Wisconsin Law School (1995), and is licensed to practice in California, Missouri, Wisconsin, and at the U.S. Patent and Trademark Office.