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Board of Directors

David Clayton, Non-Executive Chairman

DavidClaytonDavid Clayton joined SDL as a Non-Executive Director in December 2009 and has served as Senior Independent Director and, for 9 months through 2015/2016, interim Executive Chairman. After a career in senior executive roles at a number of international technology companies he joined BZW where, after its merger with CSFB in 1997, he was Managing Director and Head of European Technology Research until 2004. David Clayton joined The Sage Group plc Board in June 2004 as a Non-Executive Director and took up an executive role as Director of Strategy and Corporate Development from October 2007 to February 2012. He is currently Chairman of Forensic and Compliance Systems, a Non-Executive Director of SwiftPage Inc and Chairman of the Board of Trustees of the charity Changing Faces.

Adolfo Hernandez, Chief Executive Officer

AdolfowebAdolfo joined SDL as CEO in April 2016. Prior to joining SDL, Adolfo was CEO of Acision, the mobile messaging market leader he helped turn around prior to its merger to Comverse to form Xura, Inc. Before that, he spent four years at Alcatel-Lucent, with his most recent position being Executive Vice President, Global Software Services and Solutions, where he was a member of the Executive Committee, reporting to the Group CEO. In this role, he was responsible for all of Alcatel-Lucent’s multi-billion dollar software application solutions and services business globally. Adolfo also has a wealth of experience in Enterprise software and services built over the years in senior management roles at Sun Microsystems, Inc, where he was responsible for all aspects of its services business around the world and IBM Corp where he spent nine years (in London and Munich) in a variety of sales leadership and general management positions in the areas of eBusiness and Open Systems.

Glenn Collinson, Non-Executive Director

GlennCollinsonGlenn Collinson joined SDL as a non-executive director and Chairman of the Remuneration Committee on 1 June 2014. He also sits on the Audit Committee. In 1998 Glenn Collinson co-founded Cambridge Silicon Radio (CSR plc) as a start-up project and was a member of the board of Directors that managed the growth of CSR through its listing as a public company in 2004 and up until 2007, serving first as Marketing Director and then as Sales Director. Prior to CSR plc, he held positions including Senior Engineer and then Marketing Manager at Cambridge Consultants Ltd and held positions as a Design Engineer and Marketing Manager at Texas Instruments. He is a member of the Institution of Engineering and Technology and holds a B.Sc. in Physics and a M.Sc. in Electronics from Durham University, as well as a MBA from Cranfield University. Mr Collinson currently holds other Non-Executive Director positions within the technology sector.

Mandy Gradden, Non-Executive Director

MandyGraddenMandy Gradden is an experienced corporate CFO with more than 20 years’ financial and senior management experience. She is CFO of the FTSE 250 information company Ascential plc. Previous roles include: CFO of the private-equity owned Torex, the retail technology firm; CFO at the FTSE 250 business and technology consultancy, Detica; Director of Corporate Development at Telewest Communications; and Group Financial Controller at Dalgety. She began her career at Price Waterhouse, where, in 1992, she qualified as a Chartered Accountant.

Christopher Humphrey, Non-Executive Director

chrishumphreyChristopher Humphrey is a qualified accountant and has over 25 years’ experience managing engineering and technology companies. He is a Non-Executive Director and Chairman of the Audit Committee of Vitec Group plc. He is also the Senior Independent Director and Chairman of the Audit Committee of Aveva Group plc and Chairman of Eckoh plc. Christopher was Group Chief Executive Officer of Anite plc from 2008 until 2015 and Group Finance Director between 2003 and 2008. Prior to joining Anite he was Group Finance Director at Critchley Group plc and held senior positions in finance at Conoco and Eurotherm International plc. Between 2011 and 2012 he was a Non-Executive Director of Alterian plc. Christopher has a BA (Hons) in Economics, is a Chartered Management Accountant, a Fellow of CIMA and has an MBA from Cranfield School of Management.

Alan McWalter, Non-Executive Director

AlanMcWalter 1Alan McWalter joined SDL as the Senior Independent Director on 1 March 2014. He sits on both Audit and Remuneration Committees. Alan McWalter is the Chairman of Churchill China plc, Belfield Group and Newmarket Promotions. He has previously held Chairmanship and Non-Executive roles with numerous quoted and private companies. He was an Executive Director of Marks & Spencer and Kingfisher Group companies and in his earlier career held both marketing and general management appointments with Thomson Consumer Electronics and Spillers Foods having started his career with Unilever.

Dominic Lavelle, Chief Financial Officer


DomLavelleDominic Lavelle is a qualified Chartered Accountant who joined SDL in November 2013. Previously, Dominic has held senior executive and CFO roles within a number of private and publicly traded companies including Mothercare plc, Oasis plc, Allders plc and Alfred McAlpine plc, where his roles have encompassed commercial, operational and strategic responsibilities. He has more than 25 years senior financial experience and is responsible for all financial matters.

See the Executive Management Team at SDL