Background and Roles
Jack Dorsey co-founded Square with Jim McKelvey in 2009 and still serves as CEO of the parent company, Block, Inc., after the 2021 rebrand. He positioned Square as a hardware-software bundle for small merchants, then broadened the portfolio to include Cash App, Tidal, Afterpay, and developer tools once he left Twitter in 2021 to focus on Block full time. That shift kept him in day-to-day control of Square’s payment stack, Block’s crypto initiatives, and the music and buy now pay later businesses that now share the same executive umbrella.
Square and Block Timeline
Under Dorsey, Square moved from the original magstripe reader to full point of sale suites like Square Register, Square Terminal, and vertical tools such as Square for Retail and Square for Restaurants. Block was created in 2021 to signal a multi-business structure that also folding in the Tidal acquisition and the $29 billion all-stock deal for Afterpay that closed in early 2022. Dorsey chairs the operating committee that decides how those product lines intersect, and he still represents the company on investor calls and developer summits.
Cash App and Ecosystem Expansion
Dorsey’s other flagship is Square Cash, now branded Cash App. The product layered peer-to-peer transfers, Cash Card issuance, Bitcoin trading, direct deposit, and later the Afterpay buy now pay later flow, all of which report up to him. Block also uses the Cash App rails to experiment with Lightning Network payments, creator payouts from Tidal, and developer-facing APIs that let merchants embed Square checkouts inside custom applications. Those bets helped Cash App surpass traditional Square revenues in multiple quarters, which is why Dorsey keeps tying the consumer app to Square’s merchant base through shared loyalty, catalog, and invoice records.
Legal, Regulatory, and Investor Scrutiny
Rapid growth has come with heavier oversight. In 2024 the New York Department of Financial Services announced a $40 million settlement over Cash App Bitcoin compliance failures, and regulators in 48 states collected roughly $80 million tied to earlier anti-money laundering gaps. Media reports and whistleblower claims triggered Department of Justice and SEC probes into whether Block allowed sanctioned users, terrorist groups, or Russian actors to transact through Square and Cash App without sufficient screening. Multiple securities and shareholder derivative suits now name Dorsey, Block CFO Amrita Ahuja, and other leaders, including an Ohio Attorney General bid to lead an investor class that says the company misrepresented its controls. Separate consumer class actions continue to cite Cash App fraud handling complaints and fallout from the 2021 data breach that exposed brokerage information.
Reputation Themes
Dorsey remains one of the highest profile Bitcoin advocates in the payments industry, frequently tying Block’s future to decentralized protocols, self-custody hardware, and open developer standards. Investors and regulators have pressed him to match that experimentation with sturdier compliance, clearer disclosure about Cash App metrics, and faster remediation of fraud losses. The owner profile that emerges is of a founder who still drives product direction and public messaging but now has to balance those ambitions with a demonstrable control framework to keep Block’s payments, crypto, and media properties in good standing.
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