
Former CEO of Twitter (X)
United States
Jack Dorsey is a successful business leader, entrepreneur, and Bitcoin supporter. He is a co-founder of Twitter (now called X) and Block (formerly known as Square) and is one of Bitcoin's early investors. With Block, he supports new companies built on Bitcoin and open-source blockchain projects. Dorsey helps in making Bitcoin better, progress in the Lightning Network, and creating Web5, a project that focuses on launching a decentralized internet. Quick Facts Jack Dorsey -Career Highlights • 2006 – Co-founded Twitter (now called X), which changed the way people use social media. • 2009 – For digital transactions, he launched Square (now Block) • 2018 – Integrated Bitcoin payments into Cash App. • 2021 – He quit Twitter to focus on Bitcoin & Block. • 2022 – Promoted Web5, a decentralized internet project. • 2023 – Made investments in Lightning Network and Bitcoin Mining.