Board Members

John O’Hara


John has more than 30 years of experience in the high tech industry as a proven global P&L leader, having held senior positions with some of the world’s biggest companies including Lotus, IBM, Microsoft and, more recently, Pitney Bowes.

As President of Pitney Bowes Software and a corporate officer of Pitney Bowes, John has led global expansion initiatives and was responsible for a number of strategic acquisitions across the UK, Europe and Australia. He has previously worked for Microsoft UK as General Manager, Enterprise and Partner Group where he was responsible for more than $1 billion in revenue, as well as senior roles at IBM, Pivotal Corporation and Lotus Development Group.

John has a Bachelor of Science (Hons) degree in Chemistry from the University of Wales Institute of Science and Technology, Wales and a Master of Science degree from the University of  Manchester, UK.

Edward Stacey

Non Executive Director

Ed has been active in technology venture capital for over 15 years. He was one of the first investors into Autonomy, in 1996, and has been instrumental in a number of UK technology companies to achieve success.

His current venture fund, IQ Capital, has made three successful cash exits to date, to Google, Apple and Becton Dickinson. IQ Capital is a shareholder of the company and has been a shareholder in Rosslyn Analytics Ltd, and subsequently, in Rosslyn Data Technologies plc since 2010.

Bernard Quinn

Non Executive Director

Barney today is a Non-Executive Chairman of ClearStar Inc., the cloud based background screening company which is listed on the AIM exchange.

Barney has over 30 years’ experience with application software companies. For 13 years, Barney was a  Director of Sherwood International plc, a provider of software and services to the insurance industry which was listed on the LSE until it was sold to SunGard Inc. in 2004.

Barney was the CEO of Workplace Systems Plc with whom he completed an MBO in 2011 with the help of LDC, taking the company private after many years on the AIM exchange. Barney joined Workplace in 2007 with the goal to move Workplace forward to the next stage of its evolution. Barney was at the forefront of Workplace's drive to become a world leading SaaS- and cloud-based business.

Barney was also a Non-Executive Director of SSP Holdings plc in the insurance software sector which was sold to Hellman & Friedman September 2008. Other Non-Executive roles in the past include Raft International and Guardian Computer Services.

Barney was Non-Executive Chairman of Becrypt Ltd, the encryption software specialist for seven years, seeing it from its early stage through to being a major player in the encryption market.

In the software world, he has also an investment in and advises Parago Ltd, an asset management cloud-based software company in the education market.

Charlie Clark

Founder, President

Charlie is a highly experienced and well regarded senior executive. He co-founded Rosslyn Analytics Ltd. and Ockham Capital Ltd. and, prior to this was an investment banker.

Charlie has extensive experience of working with fast growing companies and the capital markets.

Consistently recognized as a pioneer and leader in cloud analytics and for his leadership in establishing Rosslyn Analytics, Charlie is also a prolific writer and speaker on the subjects of data management and cloud analytics.

Charlie served with the British Army during Desert Storm and holds an MBA from City University Business School, London, UK. He is a Fellow of the Securities Institute and is an Accredited Associate of the Institute for Independent Business.

Hugh Cox

Founder, Chief Data Officer

Hugh co-founded Rosslyn Analytics Ltd with Charlie Clark. Hugh is a recognized expert in helping public and private sector organizations tackle business issues through technologies including cloud computing, data management and analytics.

Hugh has authored and spoken extensively on the subject of data analysis with particular focus on fraud prevention and detection, through the deployment of cloud-based analytics platforms.

Prior to establishing Rosslyn Analytics, Hugh held senior positions with COO Investments (EMEA) and Citigroup Private Bank. He also worked for Perot Systems, JP Morgan and Logica.

After leaving the British Army, Hugh took a BSc in Computer Science and an MBA from City University Business School, London, UK.

Roger Bullen

Chief Executive Officer

Roger has more than 20 years of finance, executive and operational leadership experience in technology-based companies, including start-ups, large cap and consulting firms. Roger’s experience covers working with national, US and global based companies. 

Roger recently held senior roles with Navigant Consulting Inc. as head of the International Division and Sapient Inc. as VP International Finance. He has also worked with private equity companies and been successful in taking companies to market and trade sale. 

Roger has been a shareholder of Rosslyn Analytics Ltd. and subsequently in Rosslyn Data Technologies plc since Charles and Hugh established Rosslyn.

Roger has been a member of the Chartered Institute of Management Accountants since 1990.