Board of Directors

Patrick J. McEnany
Co-Founder, Chairman, President and Chief Executive Officer

Patrick J. McEnany has been Chief Executive Officer and a director of Catalyst since its formation in January 2002. In July 2006 he became Chairman, President and Chief Executive Officer. From 1991 to April of 1997, Mr. McEnany was Chairman and Chief Executive Officer of Royce Laboratories, Inc. From 1997 to 1998, after the merger of Royce into Watson Pharmaceuticals, Inc., Mr. McEnany served as President of the wholly-owned Royce Laboratories subsidiary and Vice President of Corporate Development for Watson Pharmaceuticals, Inc. From 1993 through 1997, he also served as Vice Chairman and Director of the National Association of Pharmaceutical Manufacturers. He currently serves on the Board of Directors for CESCA Therapeutics Inc. (f/k/a ThermoGenesis Corp.) and the Jackson Memorial Hospital Foundation.

Chairman of the Board
Tamar Thompson
Tamar Thompson joined our Board on May 25, 2023. Ms. Thompson has served as Organization Head – Global Corporate Affairs for Alexion Pharmaceuticals/AstraZenenca Rare Disease, since 2021, when Alexion was acquired by AztraZenenca. Prior thereto, from 2019 to 2021, Ms. Thompson was Vice President, Global Corporate Affairs for Alexion Pharmaceuticals. Further, prior to joining Alexion, from February 2015 to November 2019, when she joined Alexion, Ms. Thompson served in several capacities for Bristol-Myers Squibb Company, most recently as executive director of State Government Affairs and Federal Policy. Prior to joining Bristol-Myers Squibb, Ms. Thompson was a strategic policy advisor and consultant for premiere Washington, DC based governmental affairs firms, including ADVI, Kimbell and Associates and Avalere Health. Finally, since 2020, Ms. Thompson has served as an independent director of Avidity Biosciences, Inc. (NASDAQ:RNA), where she serves on the Nominating and Governance Committee and on the Compensation Committee of that board. She also serves as Vice Chair of the board of directors of MassBio, a premier state level trade association representing the biotech sector in Massachusetts. Ms. Thompson holds an M.S. in Health Sciences with a concentration in Public Health from Trident University in Cypress, California. The Board believes that Ms. Thompson’s extensive health policy and government affairs experience, as well as her focus on rare diseases in her current position, have contributed to our Board of Directors’ conclusion that she should serve as a Director of our company.
Richard Daly

Richard Daly joined our Board of Directors in February 2015. Until October 2014, Mr. Daly served as President of AstraZeneca US Diabetes, where he led all commercial and medical plans and objectives for a $1.2 billion, 3,000-employee division, including the successful launch of an orphan/rare disorder drug, Myalept, for Lipodystrophy. From 2011 through 2013, Mr. Daly served as a Co-Founder of and an investor in Sagepath Partners, a company providing the pharmaceutical industry with outsourced commercial services. From 2008 to 2011, Mr. Daly was employed by Takeda N.A., the North American subsidiary of Takeda Pharmaceuticals, serving first as Vice President, Integration, leading a 6,500 person commercial/R&D merger between TAP Pharmaceuticals and Takeda N.A., then as Executive Vice President of Takeda N.A., with commercial responsibility for all businesses in the Americas. From 2006 to 2008, Mr. Daly served as the Vice President, Commercial Strategy for TAP Pharmaceuticals, a joint venture between Takeda Pharmaceuticals and Abbott Labs. In 1998, Mr. Daly was a founding member of the leadership team of Takeda Pharmaceuticals N.A., serving initially as the Senior Director of Marketing. Between 1998 and 2006, Mr. Daly took on roles of increasing responsibility culminating in his appointment as Senior Vice President, Marketing (2001-2006). Mr. Daly received his Bachelor of Science in Microbiology from the University of Notre Dame in 1983 and his MBA from the Kellogg School of Management, Northwestern University in 1998.

Donald Denkhaus

Donald A. Denkhaus joined our Board of Directors in February 2015 and currently chairs the Audit Committee of our Board. Since 2005, Mr. Denkhaus has been Chairman and Chief Financial Officer of The Kitchen, LLC, a company providing language dubbing and subtitling services to the television industry. From 1970 through 2002, Mr. Denkhaus, who is licensed as a certified public accountant, worked for Arthur Andersen LLP, a global professional services organization, where he was an audit partner for twenty-two years and held numerous leadership positions, including as head of Andersen’s South Florida audit practice and, from 1998 through 2002, as Audit Practice Partner responsible for Andersen’s offices in Florida and Puerto Rico. From 2010 to 2013, Mr. Denkhaus was Chair of Nuovo Biologics, a privately held biotech company currently seeking FDA approval of an antiviral drug, and, from 2004 until its sale in 2009, Mr. Denkhaus served on the board of directors and as chair of the audit committee of Noven Pharmaceuticals, a publicly-traded specialty pharmaceutical company focused on women’s health and psychiatry. Mr. Denkhaus received a Masters in Business Administration degree with a major in finance from the University of Maryland and a Bachelors of Business Administration with a major in accounting from Kent State University.

Molly Harper

Molly Harper has over 20 years of experience focusing on commercial strategy and leadership at life sciences companies of all sizes. Since October 2021, Ms. Harper has served as Chief Business Officer for Synlogic, Inc. a clinical-stage biotechnology company bringing the transformative potential of synthetic biology to medicine. Ms. Harper joined Synlogic from Relmada Therapeutics, Inc., where she was most recently Executive Vice President of Operations. Prior to Relmada she served in positions of increasing responsibility with Akcea Therapeutics, including most recently as Senior Vice President and Global Franchise General Manager, with responsibility for a six-drug portfolio, including the commercialization of two rare disease drugs. Ms. Harper was also Head of US Endocrinology in the Rare Disease division of Sanofi Genzyme, having previously served at various positions in sales and marketing with Merck & Co, equity research at UBS Warburg and strategy consulting at The Wilkerson Group/IBM.

Ms. Harper received her Bachelor of Arts from Cornell University and her Master of Business Administration from The Wharton School of the University of Pennsylvania. Ms. Harper also serves on the Board of Directors of PreciseDx, a privately held AI oncology pathology company.

Charles B. O'Keeffe
Lead Independent Director

Charles B. O'Keeffe is Professor, Pharmacology, and Epidemiology & Community Health, at the Virginia Commonwealth University School of Medicine (VCU). Mr. O'Keeffe joined VCU after retiring as President and CEO of Reckitt Benckiser Pharmaceuticals, Inc. Mr. O'Keeffe has led a distinguished career in the pharmaceutical industry and government. He served as President of Pharmaceutical Services Inc. and President of Washington Reference Laboratories. He has served in the White House for three presidents — as advisor, special assistant for international health and deputy director for international affairs in the Office of Drug Abuse Policy — and has served on U.S. delegations to the World Health Assembly and the U.N. Commission on Narcotic Drugs.

David S. Tierney MD

David S. Tierney, MD, currently serves as CEO of Icon Bioscience Inc., a privately held ophthalmic drug delivery company. Previously, Dr. Tierney served as President and Chief Operating Officer and Director of Oceana Therapeutics, Inc., which was acquired by Salix Pharmaceuticals, Inc. in December 2011.  Previously, Dr. Tierney was the President, Chief Executive Officer and a director of Valera Pharmaceuticals, Inc., until it was acquired by Indevus Pharmaceuticals, Inc., in April 2007. From January 2000 to August 2000, Dr. Tierney served as President of Biovail Technologies, a division of Biovail Corporation, a Canadian drug delivery company, where he had responsibility for all of Biovail's research and development and regulatory and clinical activities. From March 1997 to January 2000, Dr. Tierney was Senior Vice President of Drug Development at Roberts Pharmaceutical Corporation, with responsibility for all research and development activities, and overall responsibility for drug development, medical affairs, worldwide regulatory affairs and chemical process development, as well as being part of the executive management team. From December 1989 to March 1997, Dr. Tierney was at Élan Corporation in a variety of management positions. Dr. Tierney received his medical degree from the Royal College of Surgeons in Dublin, Ireland, and subsequently trained in internal medicine. Dr. Tierney also serves on the board of directors of Bioject Medical Technologies, Inc.