Jack
Dorsey

Born Jack Patrick Dorsey on November 19, 1976, in St. Louis, Missouri, to Timothy Dorsey (mass spectrometer engineer) and Marcia Dorsey (homemaker); raised Catholic in middle-class family with partial Italian descent.

Early childhood in St. Louis; family emphasized education and curiosity in supportive environment.

Continued family life; began showing interest in maps and dispatch systems.

Ongoing development; exposure to father's technical work sparked early fascination with routing.

Family activities in St. Louis; developed speech impediment later overcome.

Attended local elementary school; explored computers and programming basics.

Continued schooling; deepened interest in cities and dispatch logistics.

Ongoing education; began modeling occasionally as child.

Intensified technical hobbies; learned programming self-taught.

Attended Bishop DuBourg High School; balanced academics with interests.

Continued Catholic schooling; explored fashion and design.

Ongoing studies; developed passion for open-source mapping.

Deepened interest in dispatch routing software.

By age 14 became seriously interested in dispatch routing; created early software visualizations.

Continued high school; programmed dispatch systems inspired by real-time logistics.

Enrolled at Missouri University of Science and Technology (then Rolla).

Ongoing university preparation; transferred plans.

Senior high school; prepared for college in computer science.

Enrolled at Missouri University of Science and Technology.

Transferred to New York University; conceived idea for real-time status messaging inspired by dispatch and IM.

Dropped out of NYU one semester short of graduation; moved to California.

Started dispatch company in Oakland for couriers and services.

Continued entrepreneurial projects including medical device networks.

Had breakthrough idea for web-based short message service.

Ongoing development of status communication concepts.

Continued independent projects in Bay Area.

Joined Odeo podcasting company.

Co-developed Twitter prototype at Odeo with Biz Stone and others.

Twitter launched publicly; gained early traction.

Twitter spun off; Dorsey became initial CEO.

Led Twitter through early funding and growth.

Stepped down as CEO amid board pressures; became chairman.

Co-founded Square (later Block) for mobile payments.

Ongoing involvement in international tech delegations.

Continued Square development and Twitter advisory.

Returned to Twitter as executive chairman.

Recognized as top innovator; moved to San Francisco luxury area.

Aspired publicly to political roles; joined Disney board.

Co-founded Square full focus alongside Twitter.

Became Twitter CEO again; Square IPO preparation.

Led both companies; introduced Twitter changes.

Meditation practices intensified; major philanthropy.

Testified on social media issues; left Disney board.

Met with political figures; Twitter policy changes.

Pandemic response including massive equity donation to Start Small.

Resigned as Twitter CEO; focused on Block and Bitcoin.

Joined Bluesky board; endorsed decentralized protocols.

Bitcoin mining initiatives; political endorsements.

Left Bluesky; supported alternative social platforms.

Backed diVine Vine reboot with archive; launched Bitchat Bluetooth app; advanced Block automation and Bitcoin mining chip delivery; net worth ~$3.8-4 billion amid fintech and crypto focus.