Fundraising Fox

Eigen

Entrepreneur First '25

San Francisco, US · Founded 2025 · 7 known investors

eigen.world

Eigen is developing an AI-based "mutual friend" designed to help people connect, belong, and grow together, aiming to add unpredictable, human-like social experiences that current personalized technology lacks. The product is positioned in the consumer AI and social space.

Also known as eigen.world

AI & Machine LearningConsumerSocial

Founders & leadership

Eigen was founded in 2025 by Paul Scherer.

PSPaul Scherer
Paul SchererinCEOPaul Scherer is a 21-year-old German college dropout. He helped build Augment.org alongside the founders of YouTube and Wikipedia and the person who launched ChatGPT, growing it to tens of thousands of students and more than $20M in revenue in its first year.

Investors · 7

Also in the syndicate · 5

Akshay KhotariBen SilbermannDavid SingletonGustav SöderströmWill Wu

Company profile

researched Aug 2026

Eigen is a stealth-stage consumer AI company based in San Francisco, founded by Paul Scherer, who serves as CEO. The company describes its mission as building a "mutual friend" — an AI that helps people belong and grow together — in contrast to what its website characterizes as a personalized but impersonal technology landscape of "just for you" recommendations, single bots behind a screen, and social feeds full of strangers. On its site the company frames the value of relationships in terms of unpredictable expansion of one's world: being nudged to explore new things, building ideas with others, showing up for people, and meeting friends of friends.

As of the April 2026 coverage of its seed round, product details remained deliberately undisclosed. Scherer told Fortune the aim is to create shared, synchronous experiences that bind people together rather than atomize them, positioning Eigen against the prevailing race to build individualized "AI best friends." He framed the question as what the world would look like "if it was perfect for all of us, not just each of us individually." The team stated it was not ready to describe what the underlying technology would look like. Third-party analysis (Substack, catalaize) characterizes Eigen's concept as a "relational graph" layer succeeding the social graph and interest graph, with AI acting as a coordination layer between multiple parties rather than as a subservient personal assistant.

Founding story

Founder Paul Scherer grew up in a village of fewer than 1,000 people outside Frankfurt, Germany, left high school at 17, and taught himself to code. He arrived in San Francisco in May 2025 on a one-way flight and an O-1 visa (a secondary account places the arrival in early 2025). Before Eigen he helped scale Augment, a Paris-based alternative MBA program for entrepreneurs, from near-zero to over $1 million in monthly revenue; one account states he served as Chief of Staff there and that the program reached tens of thousands of students and a revenue run rate exceeding $20 million. The same account reports he previously served as Chief Operating Officer at Ender, an edtech company running moderated Minecraft and Roblox experiences for children, where human "gamer-coordinators" acted as social facilitators — experience described as relevant to mediating group social interaction. Benchmark partner Sarah Tavel said she had spent years looking for a company in the AI social space, noting that most founders she met in the category appeared to create more loneliness rather than less.

Business model

Not disclosed in the available sources. The company is pre-product and in stealth; no pricing, monetization, or distribution model has been described.

Traction

No users, revenue, or product metrics have been disclosed. The disclosed traction is the $15 million seed round and team assembly.

Latest developments

On April 16, 2026, Fortune exclusively reported Eigen's $15 million seed round from Benchmark, with angel participation from Ben Silbermann and David Singleton; FinSMEs reported the round on April 20, 2026, additionally naming Gustav Söderström, Akshay Khotari and Will Wu. The capital is designated for hiring. Scherer described assembling a "U-shaped" team pairing experienced technology veterans with very young creative builders and skipping the conventional middle; he said nearly all engineers are former founders, engineers are expected to think like product managers, and the company has hired a screenwriter.

Full profile — market position, technology, go-to-market, geography, history, risks & controversies

Market position

Eigen is positioned as a contrarian entrant in the AI companion / AI social category, defining itself against one-to-one AI companions such as Replika and Character.AI, which Benchmark's Sarah Tavel cited as early demonstrators of the category's potential. Fortune cites Precedence Research valuing the global AI companion market at $37.12 billion in 2025 with a projection of $552.49 billion by 2035.

Rather than a personal assistant or one-to-one AI companion, Eigen describes a "mutual friend" that holds relationships with multiple people and acts as a bridge between them, aiming to enrich users' relationships with real friends rather than substitute for them, as angel investor Ben Silbermann described it. Emphasis is on synchronous, shared experiences rather than asynchronous, individually personalized feeds.

Technology

Undisclosed. The company positions its work as applying AI to enable shared, synchronous social experiences among multiple people, but explicitly declined to describe the underlying technology at the time of its seed announcement.

Go-to-market

Not disclosed. As of April 2026 the company remained in stealth with no announced product, and stated that seed proceeds would go primarily toward hiring.

Consumers. Sources frame the addressable problem as social isolation and the loss of shared cultural experience; Fortune cites the APA's 2025 Stress in America survey finding that half of U.S. adults reported feeling isolated.

Geography

Headquartered in San Francisco, California, United States.

History

The company was founded by Paul Scherer, who moved to San Francisco in 2025. It operated in stealth and publicly disclosed a $15 million seed round from Benchmark on April 16, 2026, via an exclusive Fortune report, with follow-on coverage from FinSMEs on April 20, 2026. Its website credits partners at Benchmark, including Sarah, Peter, Jack, Ev, Matt, Chetan, Eric and Rachel, alongside a long list of other individual supporters.

Risks & controversies

The company is pre-product and in stealth, with sources noting that product details remain vague and that the team itself is not ready to describe what the technology will look like; Fortune frames whether Eigen can deliver the synchronous shared experiences it pitches as an open question. The AI companion category is described as crowded, and the founder is a 22-year-old first-time founder in this domain.

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Founder ageApr 202622 years
Seed funding raisedApr 2026$15M

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Timeline · 1

launches, deals, and filings
Apr 2026
Eigen raises $15M seed round led by Benchmark

Eigen, a stealth AI startup, disclosed a $15 million seed round from Benchmark, with angel investors including Pinterest cofounder Ben Silbermann and Dreamer cofounder David Singleton. FinSMEs additionally lists Gustav Söderström, Akshay Khotari and Will Wu as backers. Proceeds are earmarked for hiring and expanding development efforts.

$15M source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Eigen do?
Eigen is a San Francisco AI startup building a "mutual friend" intended to connect groups of people rather than serve one user.
Who founded Eigen?
Eigen was founded by Paul Scherer in 2025.
Who are Eigen's investors?
Eigen's investors include Benchmark, Entrepreneur First.
Where is Eigen headquartered?
Eigen is headquartered in San Francisco, US.