Jed McCaleb, pioneering software developer and blockchain innovator, is best known as a cofounder of Ripple and Stellar, two of the most influential protocols in the digital asset ecosystem. A serial entrepreneur with a long history in early crypto infrastructure, McCaleb created the first major cryptocurrency exchange, Mt. Gox, before selling it in 2011, and later launched Stellar to promote low-cost, decentralized cross-border payments. Beyond blockchain, he founded aerospace company Vast to pursue long-term visions in space habitation. Known for his technical creativity and unconventional path, McCaleb has helped shape multiple generations of internet and financial technology.

Tyler Winklevoss is an American entrepreneur, investor, and former Olympic rower. A Harvard economics graduate and Oxford MBA, he co‑founded ConnectU and then downplayed his Facebook settlement to become one of the first Bitcoin billionaires. In 2014, he launched Gemini—now a leading regulated U.S. crypto exchange—and Winklevoss Capital, investing early in Bitcoin and backing tech startups. Notably, he is now exploring an IPO for Gemini. 

Cameron Winklevoss is an American entrepreneur, former Olympic rower, and co‑founder & President of Gemini—the regulated cryptocurrency exchange he launched with his twin brother Tyler in 2014. After co‑founding social network ConnectU and settling a high‑profile lawsuit with Facebook, the Winklevoss twins invested early in Bitcoin—owning about 1 % of all BTC by 2013—and became among the first Bitcoin billionaires. Today, they control Gemini and Winklevoss Capital Management, investing in startups and crypto innovation while maintaining a quiet, highly disciplined presence.