Appointed to the Board in September 2009, appointed Chairman in May 2010 and is Chairman of the Nomination Committee and the Management Engagement Committee. He is also chairman of the Investor Forum, an investor led organisation established for the purpose of improving long-term returns from investment through collective shareholder engagement.

Jeff is a chartered account who was appointed to the Board in September 2010 and as Chairman of the Audit Committee in November 2011. He started his career with Arthur Andersen where he qualified as a chartered accountant, following which he spent seven years with The Boston Consulting Group. Between 1981 and 1991, he held directorships successively with Carrington Viyella, Vantona Viyella and Coats Viyella, where he was Group Strategy Director. Jeff was the Finance Director of Unitech plc from 1991 to 1996 and was the Group Finance Director of Electrocomponents plc from 1996 to 2005 and as Deputy Chairman from 2000 to 2005. He is also a non-executive director of Cenkos Securities plc and chairman of Electro components Pension Trustees.

Sir Roger has had a distinguished career in the British diplomatic service and was appointed to the Board in March 20018. He is also a member of the Audit and Nomination Committees. He was British ambassador to Sweden from 1995 to 1999 and to Brazil from 1999 to 2004. He was Political Counsellor at the British Embassy in Washinton DC from 1985 to 1989, head of the Economic Relations Department there from 1989 to 1991, and was Assistant Under-Secretary of State in the Foreign and Commonwealth Office between 1991 and 1995. Sir Roger was visiting fellow at Harvard University in 1984/85 and served as private secretary to the Foreign Secretary between 1982 and 1984. He was also one of the Prime Minister's honorary ambassadors for the British business from 2010-2015. He was president of Boeing UK from 2005-2014 and is Chairman of Over-c-ltd and a non-executive director of ITM Power plc.

Appointed to the Board in March 2011 and is a member of the Audit Committee. She was Vice Chairman of Threadneedle where she was Chief Investment Officer for ten years until her retirement at the end of December 2010. She was instrumental in establishing Threadneedle's investment process and recruited many of the firm's senior fund managers. In 1982 Sarah moved from stockbroker WI Carr to become a Far East Equity Manager and subsequently became a Director at Allied Dunbar Asset Management, which became part of Threadneedle in May 1994. She is a non-executive director of Henderson Group PLC and JPMorgan Emerging Markets Investment Trust PLC.

Appointed to the Board in July 2016 and to the Audit Committee in October 2016. Edward brings a combination of general management, technology and operational experience worldwide, with expertise in the digital transformation of large-scale organisations, Risk, Strategy and Cyber Security. He is currently a Managing Director at HSBC, where he is a Chief Operating Officer and Global Head of Business Management within the Technology function. Prior to that, he was a Chief Operating Officer and Head of Business Management at Barclays Bank within the Global Risk Function, having previously been a Senior Director within the Investment Bank Risk operation at Barclays Capital. Until 2012, Edward was at McKinsey & Company, providing extensive board and executive- level advisory to clients worldwide, focusing on banking operations, strategy, value creation and risk management and technology.

Appointed to the Board on 1 September 2017. Beatrice spent 16 years at Credit Suisse Asset Management in Global Fixed Income and began her career as an equity analyst at Morgan Grenfell Asset Management. She is a member of the Board of Brown Advisory and holds non-executive directorships at Telecoms Plus PLC, M&G Group Limited and Templeton Emerging Markets Investment Trust.

Joined the Board in August 2013 and is also a member of the Nomination Committee. She has extensive expertise in Marketing with over 22 years of experience in senior director roles, with both blue chip and start-up companies. She has worked across a broad range of consumer industries and previously held the role of Global Business Development Director at Cheapflights Media. She also held senior executive roles with STA travel, the Thomas Cook Group and Thorn EMI plc. Francesca is also a partner in Advantage Portugal LLP and a non-executive director of Good Energy Group plc, Share Plc, Marshall Motor Holdings plc and VISTA Ltd.