Mark J. Guinan

Independent Board member and Chairman of the Audit Committee. Mark Guinan serves on the Board of Myovant Sciences as Chair of the Audit Committee and Lead Independent Director. He recently retired from Quest Diagnostics after serving as Executive Vice President and Chief Financial Officer for nine years.

From 2010 until joining Quest Diagnostics in 2013 as Senior Vice President and Chief Financial Officer, Mark served as Chief Financial Officer for Hill-Rom Holdings Inc., a manufacturer and provider of medical technologies and related services for the health care industry. Previously, he had served in a number of finance and operations roles in a long career at Johnson & Johnson, where Mark served as Chief Procurement Officer, and earlier as Vice President of Pharmaceuticals Group Finance. Before that, he held a number of financial roles at Procter & Gamble.

Mark earned an MBA from The John M. Olin Graduate School of Business at Washington University, St. Louis, Mo., and a bachelor’s degree in economics from the University of Notre Dame.