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Rupert Lee-Browne is Chairman of Caxton and a FinTech investor. He founded Caxton with £25,000 capital and has driven the business towards its £1bn turnover and status as one of the UK’s finest entrepreneurial success stories.

Prior to establishing Caxton, Rupert launched several successful innovative businesses in the finance and media sectors, all with a focus on new technology. He is now innovating payment solutions by investing in smart blockchain tech both within Caxton and in other businesses.

Keen to champion today’s technology entrepreneurs, Rupert regularly speaks at industry events about cyber security, how the future lies in blockchain for the finance industry, and the British start-up ecosystem.

Before founding Caxton in 2002, Rupert had an extensive career in media; working for broadcasters, publishers, as well as founding internet start-ups. He started his first business aged 22. As CEO he leads Caxton’s strategy of building innovative technology for payments and ensures the company remains at the forefront of our industry. Outside the business he’s a regular speaker and media commentator on fintech and payments as well as investor in tech start-ups. Rupert holds a degree from London University and is visiting lecturer at Bayes Business School.

Simon is a highly regarded disputes lawyer with deep expertise in trusts, estates, and wealth-related litigation. His private client background gives him a uniquely client-focused perspective, whether he’s advising family offices, trustees, beneficiaries, or corporate entities.

Over his career, Simon has advised on some of the most high-profile and complex disputes globally, including cases involving billion-dollar estates and cross-border trust matters. He also co-founded the Contentious Trusts Association (ConTrA), now with over 750 members, and regularly chairs leading industry conferences on trusts in litigation and private wealth.

Recognised by Chambers & Partners (HNW), Legal 500, and Legal Week’s Private Client Global Elite, Simon is known not only for his technical expertise but also for his ability to guide clients through sensitive and high-stakes issues with clarity and care.

In the context of cyber threats and deepfakes, Simon’s experience in fraud, governance, and protecting family office structures gives him a unique perspective on safeguarding wealth and reputation in today’s digital landscape.

Adam Kantor is an experienced business leader with a strong track record of guiding private equity–backed companies through complex risk, compliance, and cybersecurity challenges. He has served as both a CEO and advisor across multiple PE-backed businesses, giving him deep insight into the pressures faced by investors, portfolio companies, and family offices when it comes to protecting assets and managing risk.

Previously, Adam led a global compliance software company serving some of the world’s largest financial institutions — experience that gave him a first-hand understanding of regulatory requirements, operational resilience, and the real-world impact of cyber threats. He has also been an investor in a private equity fund, providing him with a rare dual perspective as both operator and investor.

At OneCollab, Adam plays a pivotal role in helping the company deliver tailored cybersecurity solutions for investors and family offices, simplifying security without compromising protection. His expertise sits at the intersection of governance, risk management, and technology — making him ideally placed to speak on the emerging threats of deepfakes and digital deception.