Leadership

Larry Edwards
Chief Executive Officer

Maria Stahl
Chief Business Officer

Christopher Watt
Senior Vice President, Finance

Larry Edwards
Chief Executive Officer
Larry Edwards has served as Chief Executive Officer since August 2019. Mr. Edwards joined Tetraphase in July 2015 as Vice President of Marketing and became Vice President of Commercial Operations in January 2016. Mr. Edwards then worked as Chief Commercial Officer from January 2017 to February 2018 until he most recently served as Chief Operating Officer from March 2018 until July 2019. Prior to joining Tetraphase, Mr. Edwards served as Senior Director of Marketing, Gram-negative Franchise, with Cubist Pharmaceuticals, Inc., from April 2014 to July 2015 (Cubist acquired by Merck & Co., Inc.). From 2010 to 2014, he served as Global Marketing Director, Clostridium difficile and New Infectious Disease Products, with Merck & Co., Inc., where he also served as Associate Director of Vaccines and Infectious Diseases from 2007 to 2010, and held various management training and sales positions of increasing responsibility from 1999 to 2007. Mr. Edwards received a B.S. in business and healthcare administration from Ohio University.

Maria Stahl
Chief Business Officer
Maria Stahl has served as Chief Business Officer since July 2019. Ms. Stahl joined Tetraphase in March 2015 as Senior Vice President and General Counsel. Prior to joining Tetraphase, Ms. Stahl served as Senior Vice President, General Counsel, and Secretary of Idenix Pharmaceuticals, Inc. from October 2010 to August 2014. Ms. Stahl previously served at Idenix as Vice President, Associate General Counsel from February 2008 to November 2009, and as Assistant General Counsel from February 2007 to February 2008. Prior to rejoining Idenix, Ms. Stahl served as General Counsel of Zipcar, Inc., from November 2009 to October 2010. From February 2005 to February 2007, she served as Vice President, Corporate Counsel of Capital Crossing Bank. Prior to that, Ms. Stahl was at Wilmer Cutler Pickering Hale and Dorr LLP from 1997 to 2005. She received a B.A. from Providence College and a J.D. from Yale Law School.

Christopher Watt
Senior Vice President, Finance
Christopher Watt has served as our Senior Vice President of Finance since January 2017, previously serving as Vice President of Finance upon joining Tetraphase in July 2015. Prior to joining the company, Mr. Watt spent 10 years at Biogen, Inc., most recently as Senior Director, Global Commercial Finance. From 2009 to 2010, Mr. Watt served as the Finance Director of Biogen for the UK and Ireland affiliates, and from 2006 to 2009 as Director of Business Planning, International, based in Switzerland. Prior to Biogen, Mr. Watt spent four years in various financial planning and analysis roles at InterSystems Corporation. Mr. Watt holds a B.A. from Colby College and an M.B.A. from the University of Michigan.