Founders · #1 of 111

David Ha デイビッド・ハ

Co-founder & CEO, Sakana AI

442,424X followers · @hardmaru · checked 2026-10-17
—note followers
¥66Braised by the company, as of 2026-04-09

Verified 2026-10-17: Company site / press release · Own X profile

Background

Engineering science degree, University of Toronto; PhD, University of Tokyo. Rates trader at Goldman Sachs Japan, then research scientist leading Google's Tokyo research team; briefly at Stability AI. Source

Public appearances

2025-03-03
Podcast
Sakana AI CEO David Ha on Nikkei's "Kirinuki News" podcast
サカナAI デビッド・ハCEOが登場!「吉野直也のNIKKEI切り抜きニュース」

Ha explains Sakana AI's plan to work at both the foundation-model and application layers, arguing Japan needs in-house know-how even if model building is not yet profitable. He frames resource constraints versus Google, OpenAI and Anthropic as the reason for Sakana's model-merging approach.

Summary by The Raising Sun. From the YouTube auto-transcript (trailer) and description.
2025-02-03
Interview
Sakana AI on AI Development Outlook (Bloomberg)
Sakana AI on AI Development Outlook

Ha argues that efficient models such as DeepSeek increase rather than reduce demand for Nvidia GPUs, and expects more alternative AI tools to follow.

Summary by The Raising Sun. From the video page description.
2025-05-22
Interview
Sakana AI: Japan can build its own AI infrastructure (CNBC)
Sakana AI: Japan has the capacity to develop its own AI infrastructure

Ha discusses Japanese government efforts on tech infrastructure, including defence, and says Japan can attract AI talent as a top destination.

Summary by The Raising Sun. From the video page description.
2025-11-19
Interview
Sakana AI CEO: AI is here for the long term (CNBC)
Sakana AI CEO: AI is here for the long-term

Ha outlines Sakana AI's route to profitability. He warns AI valuations could fall but says the technology will stay relevant.

Summary by The Raising Sun. From the video page description.
Undated
Video
The future of AI looks very different in Japan
The future of AI looks very different in Japan

Ha recounts founding Sakana AI with Llion Jones and Ren Ito, and why a Japan frontier-AI company needed a Japanese co-founder. He describes meeting Ito through startup events and Stability AI.

Summary by The Raising Sun. From the YouTube transcript excerpt.

How we verify and rank founders