Dhanji R. Prasanna
CTO at Block (parent company of Square, Cash App, Afterpay, TIDAL, and Bitcoin). Previously head of engineering at Cash App, scaling the team from 10 to 200+ engineers and the product from ~10M to 20M+ users. Spent 4.5 years as “Mad Scientist” at Square (part-time). Prior experience includes Google Wave and Gmail. Creator and lead of the open-source Goose AI agent built on MCP (Model Context Protocol).