Jack Dorsey is the CEO of Square, a financial services and mobile payments company based in San Francisco, California. Dorsey co-founded Square in 2009 and has since been responsible for the company's growth and success. He has been recognized for his leadership and innovation in the payments industry
From Wikipedia
Jack Patrick Dorsey is an American tech entrepreneur and businessman who co-founded Twitter, Inc., which operated social media service Twitter; financial technology company Block, Inc., which owns and operates Square, Cash App, Afterpay, Bitkey, and Tidal; and microblogging social networking service Bluesky.