Delivering next-generation treatments for back of the eye disorders, with focus on diabetic eye disease

Board of Directors

ThromboGenics’ Board of Directors composition is a direct reflection of the organization’s belief in diversity as a driver for growth. United in their quest for accomplishments, the board consists of eight individuals who each play a vital role in determining the course of the organization. Their broad views on life sciences and years of experience in various disciplines have an enriching influence on ThromboGenics’ daily activities.

Thomas Clay, Non-Executive, Independent Director, Chairman

Thomas Clay, ChairmanThomas Clay is Vice-President of East Hill Management Company, LLC and Chairman and CEO of Golden Queen Mining Co., Ltd. He also serves as a Director of the Clay Mathematics Institute, Inc. Thomas is a graduate of Harvard College, Oxford University, and Harvard Business School. Thomas replaced his father, Landon Clay, who led the first external investment into ThromboGenics and resigned from the Board of Directors in 2011.


Patrik De Haes, MD, (ViBio BVBA), Chief Executive Officer, Executive Director

Patrik De Haes

Dr Patrik De Haes has over 25 years of experience in the global healthcare industry, covering product development, marketing and general management. Before joining ThromboGenics as CEO in 2008, Patrik was Head of Roche's Global Insulin Infusion business. Prior to this, he was President and CEO of Disetronic Medical Systems Inc, a medical device company based in Minneapolis, USA. He also led the global development and commercialization of the first biotech product at Sandoz Pharma (now Novartis) in Switzerland. Past Chairman of FlandersBio, Patrik is an active member of the local and regional biotech and lifesciences community in Belgium. Patrik is also Executive Chairman of Oncurious nv, an emerging oncology company co-created by ThromboGenics nv and VIB lIfesciences. Patrik holds a degree in Medicine from the University of Leuven.


Dr David Guyer MD, Non-Executive Director

Davis Guyer

Dr David Guyer MD is a long standing member of the US retina community and is currently the Co-Founder and Executive Chairman of Ophthotech Corporation.  He was previously the CEO of Ophthotech.

Dr Guyer is also on the Boards of Sound Pharmaceuticals, iStar and PanOptica. He co-founded and served as CEO and a Director of Eyetech Pharmaceuticals, Inc., where he led the company through private, public and corporate financings, and oversaw the rapid development and successful commercialization of Macugen® (pegaptanib sodium), the first FDA-approved anti-VEGF pharmacological treatment for the treatment of wet AMD. Dr Guyer has also had a successful career in academic medicine as Professor and Chairman of the Department of Ophthalmology at New York University School of Medicine. Dr Guyer received his Bachelor of Science (BSc) degree from Yale College summa cum laude and his medical degree (MD) from Johns Hopkins Medical School. He completed his ophthalmology residency at Wilmer Ophthalmological Institute at Johns Hopkins Hospital and a retinal fellowship at the Massachusetts Eye and Ear Infirmary at Harvard Medical School.

Paul G. Howes, Non-Executive Director

Paul G. HowesPaul Howes brings over 30 years of commercial strategy, product development and management leadership experience, with a significant focus in the field of ophthalmology. He currently serves as a board member of ThromboGenics, and until the end of 2017 was the President and Chairman of its U.S. subsidiary, ThromboGenics, Inc. He previously served as a board member and CEO of Inotek Pharmaceuticals, a NASDAQ-listed ophthalmic drug development company. Prior to joining Inotek, Mr. Howes was President of the Americas Region for Bausch & Lomb with leadership responsibility for the United States, Canada, Latin America and South America across Bausch & Lomb's Vision Care, Surgical and Pharmaceuticals business segments. Prior to joining Bausch & Lomb in 2003, Mr. Howes spent the previous 16 years in various senior management roles at Merck & Co. Inc. This experience included roles as Executive Director of Hospital Marketing, Vice President of Sales and Marketing for Specialty Products, President and CEO of the DuPont Merck Pharmaceutical company and President of Merck Frosst Canada, Inc. Prior to Merck, Mr. Howes spent 11 years at Price Waterhouse Canada. Mr. Howes is a graduate of Harvard College and earned his MBA from York University in Toronto, Canada. He also serves as a board member of Prevent Blindness, as a Trustee of BioNJ and as a board member of Kish Bancorp.

Emmanuèle Attout (Investea BVBA), Non-Executive, Independent Director

Emmanuèle Attout

Emmanuèle Attout has been an audit partner at PricewaterhouseCoopers from 1994 to 2014, in charge of audits of a range of clients including banks, insurance companies, investment funds and asset managers. In recent years she managed the audits of listed companies and pharmaceutical and life sciences companies, from which she brings substantial relevant experience to the Board and to the Audit Committee.

Emmanuèle is an independent non-executive director, member of the audit committee, of Atenor SA and Schréder SA. Since 2009 Emmanuèle is co-founder and director of the ngo Women on Board. She serves also the Board of Toutes à l'école Belgique asbl. Emmanuèle graduated in Applied Economic Sciences at the Catholic University of Louvain.

Baron Philippe Vlerick, Non-Executive, Independent Director

Philippe Vlerick

Philippe Vlerick is the owner, Chairman and CEO of several businesses in Belgium and abroad.

He currently serves as the Chairman and Chief Executive Officer of Vlerick Group (Belgium), and as Chairman and CEO of UCO NV, Chairman of Pentahold. Chairman of Smartphoto Group, Chairman of the Festival Van Vlaanderen, and Commissioner-General of Europalia Romania.

Baron Vlerick is Vice-chairman of KBC Group, Corelio, and Durabilis. and is a member of the Board of Directors of Exmar, Hamon & Cie, Besix Group, BMT, Etex and L.V.D. (Belgium).

Mr Vlerick holds a Degree in Philosophy and Law from the University of Leuven, and an MBA General Management degree (PUB) (Ghent, Vlerick School of Management – 1979).

He also holds a Master's degree in Business Administration from Indiana University, Bloomington (USA – 1980). He was elected 2006 Manager of the Year by Trends, a leading business magazine in Belgium.
He was granted the title of Baron in 2008, and became Commander of the Order of Leopold in 2013.