Martin Mellish is director of Aspen Advisory Services Ltd., a London-based private office overseeing private and listed investments in North America, Europe, and Asia. Mr. Mellish serves as a non-executive director of NuCana Ltd (Nasdaq:NCNA; member, Audit Committee), Levitronix Technologies Inc. (Chair, Audit Committee), STX Environmental Markets (STX Services BV), Alturki Holding (Chair, Audit Committee), Saudi Readymix Concrete Company, (Chair, Audit Committee), Kensington Green (Management) Limited (Chair, Estates Environment & Security Committee) and Omnicyte Limited. He is an advisor to Breathe Energy Ltd., an energy services company focused on the UK National Health Service and its infrastructure. Pro-bono he is a member of the International Advisory Council of the Massachusetts General Hospital, and a former trustee of the London Academy for Music and Dramatic Arts (LAMDA) and former advisor to the Council of the Chapels Royal at HM Tower of London. From 1984 to 1992 he was Financial Controller and subsequently Chief Financial Officer of Alturki Holding. Mr. Mellish trained at Price Waterhouse and was registered as a Certified Public Accountant (Mass.) in 1983. He holds an SM (Management) from the Massachusetts Institute of Technology, Boston, USA, an M.Sc. (Accounting) from Northeastern University, Boston, USA, and an A.B. (Political Science) from Amherst College, Amherst, Mass., USA.