Who is the CEO of Block?

Jack Dorsey is the CEO or top operating leader named in current public sources.

Block began as Square, founded by Jack Dorsey, Jim McKelvey, and Tristan O’Tierney.

How many employees does Block have?

Block has 12,000+ reported before 2026 reduction as of the current public snapshot used here.

Who should you contact to sell into Block?

Start with Square sales/support, Block IR/press, or partner routes; then route by ecosystem and problem area.

Block

Who are Block's decision-makers?

CEO: Jack Dorsey
CTO/key exec: Amrita Ahuja, CFO and COO
Founded: 2009
Employees: 12,000+ reported before 2026 reduction
HQ: No formal headquarters / distributed; San Francisco roots
Notable: Square, Cash App, Afterpay, TIDAL, Bitkey, Proto

Jack DorseyBlock Head and ChairpersonCo-founder since 2009Leads company strategy across economic empowerment, Square, Cash App, and Bitcoin initiatives.
Jim McKelveyCo-founder and directorCo-founder since 2009Co-created Square after a small-business payment acceptance problem.
Amrita AhujaChief Financial Officer and Chief Operating OfficerCFO since 2019; COO added laterOwns financial discipline, operations, and public-company execution.
Brian GrassadoniaCash App business leadSenior leaderAssociated with Cash App strategy and monetization.
Owen JenningsSquare business leadSenior leaderAssociated with Square seller ecosystem execution.

Who leads Block?

Jack Dorsey remains the central strategic leader, while Amrita Ahuja combines finance and operations. Business leaders around Square and Cash App matter because Block is a portfolio of operating ecosystems rather than one monolithic product.

Who actually makes buying decisions at Block?

Square seller tools, Cash App consumer products, risk, security, data, compliance, and finance all have distinct buyers. Material tools will pass through security, legal, finance, and product leadership because Block handles regulated financial activity.

How is Block organized as it scales?

Block is organized around ecosystems such as Square and Cash App plus Afterpay, Bitcoin initiatives, platform, risk, legal, finance, and operations. The company has no traditional headquarters, so functional mapping matters more than geography.

As of June 2026.Sources:Block leadership Sequoia Block profile Block annual reports

Block — frequently asked questions

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