alpaca
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Hitoshi Harada
Hitoshi Harada is the Co-Founder, CTO, and CPO of Alpaca Markets - the fintech unicorn building what he calls the 'Global Financial OS.' A Keio University-trained computer scientist who rewrote parts of PostgreSQL (Window Functions, PL/v8), Harada spent years building distributed databases at Greenplum before co-founding Alpaca in 2015 with Yoshi Yokokawa. The company, named after an alpaca they spotted on a Silicon Valley billionaire's estate, has grown to command 94% of the global tokenized US equities market, serve 300+ financial institutions across 40+ countries, and reach unicorn status at $1.15B valuation with a $150M Series D in January 2026.
Yoshi Yokokawa
Yoshi Yokokawa is the co-founder and CEO of Alpaca, the San Mateo-based API-first brokerage infrastructure company that powers over 300 global fintech partners across 45 countries. A former Lehman Brothers analyst and forex trader turned repeat entrepreneur, Yoshi built Alpaca from a YC W19 startup into a $1.15 billion unicorn after raising a $150 million Series D in January 2026. His vision: a 'Global Financial OS' that makes investing borderless, accessible, and developer-native.