James Cox
Jonathan Warburton
Michael Jackson
Founding Partner
James founded Stonebridge in 2016. He has founded and scaled multiple market-leading businesses, including Simba Sleep, to $150m+ annual revenue, and co-created over £5bn in shareholder value as an investor and adviser.
Michael Jackson
Jonathan Warburton
Michael Jackson
Venture Partner
Michael is a seasoned venture capitalist and entrepreneur. He founded Elderstreet Investments VCT, successfully exiting to Molten Ventures, and has chaired multi-billion-pound FTSE 100 IPOs, including Sage Group PLC and PartyGaming PLC.
Jonathan Warburton
Jonathan Warburton
Jonathan Warburton
Venture Partner
Jonathan is Chairman of Warburtons, the household name bakery, where he has led the company to market leadership and global expansion, overseeing growth to £500m+ in annual revenues.
Richard Chapple
Richard Chapple
Jonathan Warburton
Venture Partner
Richard is a growth specialist and founder of The Growth Foundation. Previously, he scaled both Gymshark and THG Ingenuity to valuations exceeding £1bn as CMO and CEO, respectively.
David Newns
Richard Chapple
Micheal Mylonas
Venture Partner
David is a serial entrepreneur with a track record of building and scaling companies across health and technology. Having successfully exited two businesses to FTSE 100 firms, he brings a unique understanding of both startup and PLC dynamics.
Micheal Mylonas
Richard Chapple
Micheal Mylonas
Venture Partner
Michael is a seasoned investment banker, currently Managing Director and Head of Consumer Investment Banking at BTIG, and former Head of Consumer at Jefferies following senior roles at The Coca-Cola Company.
Paul Donoghue
Paul Donoghue
Paul Donoghue
Venture Partner
Paul Donoghue is the CEO of Orlebar Brown, where he drove the brand's growth and its acquisition by luxury group Chanel. Previously holding senior roles at Radley+Co and Reebok, Paul is passionate about advising emerging consumer companies.
Richard Paul
Paul Donoghue
Paul Donoghue
Venture Partner
Richard Paul is the co-founder of Nyman Lisbon Paul (NLP), specialising in financial strategy, business advisory, and M&A to support entrepreneurs and high-growth companies.
Ryan Thorne
Paul Donoghue
Ryan Thorne
General Counsel
Ryan is a qualified lawyer with expertise in M&A, private equity, and corporate law. He has held senior roles at BlackRock, Macquarie, and Freshfields Bruckhaus Deringer.