Giles  has served as a Non-Executive Director since November 2016. He has substantial commercial and financial experience gained from service on numerous public and private company boards and as an audit partner. Mr. Kerr has served as Director of Finance of the University of Oxford since 2005. He also currently serves as a Board member and Audit Committee member of public companies BTG plc (LSE: BTG), Paypoint plc (LSE: PAY) and Senior plc (LSE: SNR) as well as on the boards of several private companies. Mr. Kerr previously served in roles of increasing seniority at Amersham plc since 1990, including as Chief Financial Officer and a Board member from 1997 to 2004, when the company was acquired by GE Healthcare, and as a director of Victrex plc and of Elan Corporation Inc. Prior to his role at Amersham, Mr. Kerr was a National Partner with Arthur Andersen. He is a Fellow of the Institute of Chartered Accountants of England and Wales and holds a B.A. degree in Economics from the University of York, U.K.

 Giles  has served as a Non-Executive Director since November 2016. He has substantial commercial and financial experience gained from service on numerous public and private company boards and as an audit partner. Mr. Kerr has served as Director of Finance of the University of Oxford since 2005. He also currently serves as a Board member and Audit Committee member of public companies BTG plc (LSE: BTG), Paypoint plc (LSE: PAY) and Senior plc (LSE: SNR) as well as on the boards of several private companies.  previously served in roles of increasing seniority at Amersham plc since 1990, including as Chief Financial Officer and a Board member from 1997 to 2004, when the company was acquired by GE Healthcare, and as a director of Victrex plc and of Elan Corporation Inc. Prior to his role at Amersham, Mr. Kerr was a National Partner with Arthur Andersen. He is a Fellow of the Institute of Chartered Accountants of England and Wales and holds a B.A. degree in Economics from the University of York, U.K.