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Mark Donald


Mark co-founded Carbis Partners with Jon Draffan. He is a  qualified lawyer and was previously Head of European Leverage Finance at one of the leading US law firms  

In his previous roles, Mark led large teams of lawyers and had responsibility for office management and team strategy, as well as sourcing and executing transactions. He held various leadership positions and worked across Europe, the US and Asia on loan, bond and other financings for leading investors, corporates and family offices. Mark studied law at the University of Exeter. 

Jon Draffan


Jon spent 25 years working in private equity, leading M&A and financing activities across Europe and the US

Jon’s career started in Nomura’s Principal Finance Group and he was subsequently a founding member of Terra Firma. At Terra Firma Jon was responsible for leading on acquisitions and debt raising across multiple sectors and geographies. Before co-founding Carbis Partners, Jon was a Managing Director in the London office of GI Partners.

Jon holds a Masters in Engineering, Economics and  Management from Oxford University

Adrian Cassidy


Adrian leads our data analytics team. After gaining a PhD in Particle Physics, Adrian started his career in real estate investment before moving to the trans-Atlantic real estate-focussed PE firm GI Partners.

At GI Partners, Adrian sourced, structured, analysed and executed mid-market transactions across Europe and applied data analysis techniques to drive performance and value.

Adrian holds an MBA from Warwick Business School and is a graduate of Bristol University.

Catherine Cassidy

Operations Director

Catherine delivers complex operational projects. She was an integral part of the management team for the British Olympic Association at the London 2012 Olympics.  She advises a range of businesses, from start-ups to large portfolio companies.

Catherine leads our Operations Team, supporting our clients and their portfolio companies with operational and strategic input. Catherine holds an MBA from Warwick Business School and is a graduate of the University of Toronto. 

James Douglas

Non-Executive Advisor

James provides strategic advice, leadership and mentoring to the business and team as a whole. He established and ran Deloitte's Global Capital Advisory group and has 30 years of experience in private equity and corporate finance. Most recently, James was Vice-Chairman of Deloitte UK.

James is a Chartered Accountant and a past President of the Association of Corporate Treasurers. He holds an honours degree in Economics from the University of Cape Town.

Gary He       


Gary read Japanese Studies at Cambridge, spending a year in Osaka as a government scholar researching territorial disputes. After graduating, he worked in Ernst & Young’s tax team, followed by boutique wealth manager EQ Investors, where he was involved in data analysis, market research and management of bespoke investment portfolios.

Gary holds an MSc in Finance from LSE having specialised in quantitative security analysis and corporate finance. He is also a holder of the Investment Management Certificate. 

Bridge across water representing Carbis Partners

How We Work

The people you meet are the people that lead your transactions. We believe this approach, combined with our Values and working with a smaller number of clients on a more regular basis, leads to enhanced transactional outcomes, better working relationships and significant process and cost efficiencies across your capital events.

Our Team

We have built a team of specialists with outstanding expertise across financings, capital events, data analytics and transaction management. We are capable of delivering the best possible outcomes for you.

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