Jon Wrennall Email Address

Group Chief Technology Officer

Advanced Computer Software Group Ltd is a Computer Software company which located in HP20 2HU, United Kingdom.

Jon is Group CTO of Advanced where he is driving innovation, leading the Product and Engineering teams to deliver products and services that make the complex simple and make a difference for Advanced' customers and our broader society. Prior to Advanced, Jon was CTO for Fujitsu UK&I for 5 years where he helped transform the 1,200 strong architecture community and as Fujitsu Fellow, recreated the Fujitsu Distinguished Engineer scheme. Jon also spent time in the public sector, where he was Chief Information Officer, Transformation Director and SIRO at the Valuation Office Agency. Prior to this he was Her Majesty’s Revenue and Customs’ first Chief Technology Officer, leading the integration of the former Inland Revenue and Customs & Excise organizations. His roles in both organizations drove out savings in excess of £600m, as well as bringing about significant technology transformation, building high performing teams in the process. Jon was a founding and core member of the UK Government Chief Technology Officer Council and recruited and led a team creating Public Services Network, XBRL mandation and cross government channel strategy. Jon’s client side board level experience is built on 11 years at Accenture, with clients including Barclaycard, Legal & General, BP, Castrol and BG Group. Jon is a firm believer in the 4Ps – Pace, Passion, Pride and Professionalism. He is a Chartered Engineer, Fellow of the British Computer Society, founding Fujitsu Fellow and a member of the Advisory Board for AppDynamics.