David Ha

Co-founded Sakana AI; brought evolutionary thinking to model building.

JapanCo-founder, Sakana AI

Wrote World Models and led Google Brain Tokyo, then founded Sakana on the premise that many small models evolving together beat one enormous one.

Known for

World ModelsSakana AIModel merging

3 CareerEvery role we can document, most recent first

2023–now3 yrsSakana AICo-founder
2022–20231 yrStability AIHead of Research
2016–20226 yrsGoogle Brain TokyoResearch Scientist

0 Books & papersPublished work, oldest first

No books — their work lives in papers, code and talks. The accounts above are the place to follow it.

LineageWho taught whom. Most of this field descends from a handful of laboratories, and the shortest path between two researchers is usually an advisor.

Worked alongsideco-founders and close collaborators

Llion Jones

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No freely licensed portrait was available, so a monogram is shown. Roles and dates are drawn from public professional records. Where a current role is listed, it reflects the most recent information available and may have changed.