Directors and Officers


David Anthony Rasche


Appointed to the Board in September 2010.

David has over 45 years’ IT industry experience with over 35 years at Board level in the software and services sectors. He was the founder of SSP Holdings Limited, which became one of the largest specialist insurance software houses in the world. David has chaired and advised businesses in both the public and private markets and has overseen numerous acquisitions and disposals over the last 30 years. He is a strong believer in lifelong learning, has a diploma in company direction and is the longest serving member of the Vistage executive learning organisation in the UK. David invests in and mentors some smaller technology businesses and is Chairman to Chatta, a learning software company. He also chairs a family property and investment company and a family charitable trust. He was Yorkshire Business Leader of the Year in 2008 and the Grant Thornton QCA Chairman of the Year in 2009. In March 2020, David won The Sunday Times FTSE AIM Non-Executive Director Award in recognition of his stewardship and contribution at GBG.


Chris Clark

Chief Executive

Appointed to the Board in April 2017.

Before joining GBG Chris was Managing Director at Experian for 5 years where he was responsible for the UK & EMEA. Experian gave Chris first-hand knowledge of the Identity Data Intelligence market. Chris previously worked at BT for 20 years, running several technology businesses across the globe. Chris has lived and worked in the USA, Europe and Asia, as well as the UK and has significant international experience. Chris has a passion for and a strong track record of team member engagement and customer focus.

David John Wilson

Chief Finance Officer & Chief Operating Officer

Appointed to the Board in October 2009.

Having joined GBG as Finance Director, Dave has a strong background in managing business growth. He has worked in technology, media and telecoms for over 40 years, previously holding international and operational board level positions with companies including Eazyfone (brand, Codemasters, Fujitsu and Technology plc. Dave was named Finance Director of the Year at the 2013 Grant Thornton Quoted Company Awards and Finance Director of the Year at the 2015 FD Awards.



Liz Catchpole

Non-Executive Director

Appointed to the Board in September 2017.

Liz is an independent Non-Executive Director and Chair of the Audit Committee at Investec Wealth & Investment where she is also a member of the Risk, Remuneration and Nomination Committees. Liz is also anindependent Non-Executive Chair of the architectural and design practice TP Bennett and an independent Non-Executive Director, Chair of Audit Committee and also member of Risk, Remuneration and Nomination Committees of British Gas. Liz has over 20 years of executive Board level experience gained primarily in the insurance, business services and property sectors. Liz has previously held Non-Executive positions at FTSE listed, Bournemouth Water ,The University of Law and Be Living Holdings (formerly Willmott Residential). Her career started in insurance with a subsidiary of GE Capital where she worked for almost 17 years. Liz is a chartered certified accountant and holds an MBA from Cranfield University.


Nick Brown

Group Managing Director

Appointed to the Board in April 2017.

Nick has been a member of GBG’s Executive Team since joining the business in 2007.  Nick is currently responsible for managing the operating businesses of GBG on a global basis.  Prior to joining GBG Nick held senior management positions at Sage plc, Microsoft UK and Fujitsu Services in the UK.


Natalie Gammon

Non-Executive Director

Appointed to the Board November 2019. Natalie has over 20 years of global technology, commercial and operational experience with a demonstrable track record of successful digital, strategic and transformational change programmes in both private equity and blue-chip companies. Natalie was previously Group Chief Information Officer for FNZ UK and more recently Chief Cloud Officer for Finastra Ltd. In addition to undertaking an advisory role at a number of technology start-ups, Natalie is also an Independent Non-Executive Director of Masthaven Bank Ltd and an Independent Member of the Audit Committee of the National Trust.


John-Henri Constantin

Group Company Secretary & General Counsel

John joined GBG in 1994 as Assistant Company Secretary, becoming Deputy Company Secretary, and in 2002 was appointed Group Company Secretary & General Counsel. With over 20 years’ experience of working within a listed company environment he leads the Group’s legal, administration, corporate governance and compliance operations. John has been a Fellow of the Institute of Chartered Secretaries and Administrators (FCIS) since 2007.

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