Clear focus.
Strong foundations.

Paddy Dear

Tetragon Co-Founder

Paddy Dear is Tetragon’s Co-Founder and a member of Tetragon’s Board of Directors and its investment manager’s Investment and Risk Committee.

Prior to co-founding Tetragon in 2005, Paddy co-founded Polygon, a multi-strategy hedge fund management business, in 2002. In 2012, Tetragon acquired Polygon.

Paddy received a B.S. in Petroleum Engineering from Imperial College London, graduating top of his year. He started his career as a Petroleum Engineer with Marathon Oil working in London, Denver and offshore in the North Sea. He later moved into finance and prior to setting up Polygon was a Managing Director at UBS Investment Bank, where he worked for 14 years in London and New York.

Paddy believes strongly in the importance of educational opportunity and was a beneficiary of a bursary at Winchester College himself. To this end, much of Paddy’s charitable giving has an educational and social mobility focus. He also actively supports and mentors young, aspiring UK entrepreneurs with a special interest in those with a technology bias and a social benefit.

Paddy, together with his wife Janie, are livestock farmers in Gloucestershire and Scotland and are advocates for local, sustainable, regenerative farming methods.

Paddy is a fan of the arts and is supporter of the National Gallery and the Royal Opera House. He continues to be an avid and active sportsperson in particular tennis, cycling, skiing, and hiking.

Paddy is based in London.

Reade Griffith

Tetragon Co-Founder and
Chief Investment Officer

Reade Griffith is Co-Founder and Chief Investment Officer of Tetragon. Reade is a member of Tetragon’s Board of Directors and its investment manager’s Investment and Risk Committee.

Prior to co-founding Tetragon in 2005, Reade co-founded Polygon, a multi-strategy hedge fund management business, in 2002. In 2012, Tetragon acquired Polygon.

Reade is also Chief Investment Officer for European event-driven equities business, Westbourne River Partners.

Reade holds an A.B. in economics from Harvard College and a J.D. from Harvard Law School. Reade also served as an officer in the U.S. Marine Corps and left as a Captain following the 1991 Gulf War.

Reade was previously the Founder and Chief Executive Officer of the European office of Citadel Investment Group, a multi-strategy hedge fund that he joined in 1998.

Reade is currently a member of the Royal United Services Institute Advisory Board and the Dean’s Advisory Board at Harvard Law School. From 2017 until 2020, Reade was a member of the Financial Sector Forum at the Bank of England.

Reade is based in London with his wife, Elizabeth, and their three daughters. Reade and Elizabeth have a strong interest in creating educational and athletic opportunities for young people, having benefitted from being club and varsity sport participants during their time as Harvard undergraduates. Together they have endowed a fund to support Harvard’s efforts to promote inclusion and broaden access to organised sports and recreational activity. Their education-focused philanthropy also includes funding a 100% bursary in perpetuity at St Paul’s Girls’ School in London.

Reade is passionate about fly fishing, wildlife conservation and the use of sustainable and regenerative farming methods to encourage biodiversity. He is also a member of the Presidents’ Club for both the Atlantic Salmon Trust and the Game and Wildlife Conservation Trust.

Stephen Prince

Chief Executive Officer

Stephen Prince is Chief Executive Officer of Tetragon’s diversified alternative asset management business, joining in 2015. In addition to his role as Chief Executive Officer, Stephen is a member of Tetragon’s investment manager’s Investment and Risk Committee, alongside co-founders Reade Griffith and Paddy Dear.

Stephen was previously the Deputy Chief Investment Officer and Chair of the Investment Committee of Silver Creek Capital Management, an $8 billion alternative investment firm.

Prior to joining Silver Creek in 2007, Stephen helped found and was on the investment team of two long/short equity hedge funds. Stephen began his career at Tiger Management LLC.

Alongside his roles at Tetragon, Stephen is Chair of the Investment Committee at Heinz Endowments.

Stephen has an A.B. degree from Princeton University, majoring in English, and an M.B.A. degree from Harvard Business School. He is based in New York with his wife, Hailey, and their three children. Stephen and Hailey are passionate about causes focused on education and breaking the cycle of poverty.

Outside of work, Stephen enjoys spending time in the outdoors and is a keen amateur magician.