What Is yoheinakajima.com?

yoheinakajima.com is the personal website of Yohei Nakajima, a venture capitalist, builder, and artist based in the United States. The site serves as a hub for his professional identity, his "build-in-public" work, and his writing. It is most useful if you want to understand who he is, follow his projects, or find his blog and build log. It is not a product site, a company homepage, or a place to sign up for a service.

Who Yohei Nakajima Is

According to the site, Nakajima describes himself as "VC by Day, Builder by Night." He is the general partner at Untapped Capital, an early-stage venture capital firm. The site states he has spent 15 years supporting early-stage startups, including work with global corporations such as The Walt Disney Company and Nintendo through his career at Techstars and Scrum Ventures.

He is widely recognized for a "build-in-public" approach, which the site describes as building publicly with the latest technologies to "learn faster, meet founders, and contribute to the ecosystem." The site also lists personal details: born 1987 in Tokyo, 68k X followers, with dance as a hobby and sushi as a favorite food.

What You'll Find on the Site

The site is organized around a few main areas:

• Home — an introduction to Nakajima and his current work.
• Untapped Capital — information about the early-stage venture capital firm he leads.
• BabyAGI — his most notable open-source project.
• Blog and Build Log — ongoing writing and documentation of what he is building.
• Twitter — a link to follow him on X.

Key Projects Featured

BabyAGI

The site describes BabyAGI as an open-source AI platform inspired by human cognitive development, and the first popular autonomous agent with task planning capability. It was released in April 2023 and inspired developers globally to start working on their own autonomous agents. According to the site, the project went viral on Twitter, amassing millions of impressions and resulting in tens of thousands of GitHub stars, dozens of Arxiv citations, coverage across major online media publications globally, and many speaker engagements, including the inaugural TED AI in San Francisco.

Untapped Capital

Untapped Capital is an early-stage venture capital firm based in the US, founded in 2020 and led by Yohei Nakajima and Jessica Jackley. The firm is known for leveraging AI and automations and its "build-in-public" methodology, spanning No Code, web3, AI, and beyond. Examples of AI tools the firm uses include AI-assisted startup research and a founder-facing GPT VC Associate.

The site notes that Nakajima was ranked a Top 20 thought leader in the 2023 Data Driven VC Landscape report and has been invited to present on "How to run your VC firm using AI" at events globally, such as the a16Z GP-LP Mixer during SF Tech Week.

Practical Uses of the Site

Depending on what you need, the site can serve a few purposes:

For founders preparing a fundraise, the site offers a way to practice a pitch with an AI venture capitalist that expands on answers and provides a downloadable investment memo.

What the Site Is Not

The site does not present itself as a commercial product or service with pricing, and the available information does not indicate any paid offerings, login requirements, or subscription model. It functions primarily as a personal and professional hub rather than a transactional platform.