A Team of Builders, Operators & Investors

Stonebridge was founded in 2016 by James Cox. Over the last decade, James has founded and scaled five market-leading consumer technology and fintech ventures, exiting three for a substantial nine-figure sum, including Simba Sleep, which he grew to over $150 million in profitable annual revenue. He has also led more than $500 million in direct investments across high-growth technology companies, helping shape the future of many market-leading businesses.

 

Stonebridge’s operational team is led by Ryan Thorne, formerly in-house counsel at BlackRock and an M&A lawyer at Freshfields Bruckhaus Deringer.

 

We are backed by a powerhouse network of Europe’s most accomplished entrepreneurs and investors, from current and exited founders of renowned technology and consumer firms to managing partners at premier private equity and hedge funds. Collectively, this network has generated over $75 billion in investor value, contributing not only capital but also hard-won expertise, strategic connections, and global reach.

 

We further amplify outperformance by connecting our founders to an exclusive global network spanning investment, sport, and entertainment—unlocking unrivalled growth opportunities and creating a decisive advantage through our unique combination of deep operational experience, strategic insight, and elite networks.