Asset Manager

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Fellows Fund

Alex Ren’s Fellows Fund deploys capital from 37 AI practitioners into Seed and Series A AI-native startups including Gamma and Abridge.

Fellows Fund logo

Fellows Fund

Fellows Fund was formed in 2021 by Founding Partner Alex Ren alongside General Partners JC Mao and Lucas Sheiner. The firm operates out of Sunnyvale, California, placing it inside the gravitational center of the AI talent market. Instead of raising capital from institutional limited partners, the firm consolidated commitments from 37 active AI practitioners — founders, enterprise executives, and research leaders — who collectively define the fund’s access points and technical diligence. The firm writes Seed and Series A checks exclusively into AI-native companies. The website portfolio highlights a cross-section of application-layer and infrastructure bets: Gamma, an AI-powered presentation platform led by Grant Lee; Abridge, Shiv Rao’s clinical-ambient intelligence company; Replit, where Michele Catasta has pushed AI-assisted coding into a browser-based IDE; and Artisan AI, Jaspar and Sam’s play on autonomous sales agents. Other confirmed positions include Hyperbound AI, GC AI, and Dyna Robotics. The geographic focus tilts toward the Bay Area and US-based founding teams, though the operator network creates sourcing paths into labs and spinouts that often pre-date formal fundraising processes. Team size and total deployment figures are not publicly disclosed. The firm’s structural footprint remains concentrated at the partnership level, with no separate growth-stage, credit, or international vehicles mentioned. May 2024 brought no named public milestones, and the firm has not publicized fund closes or headcount changes in the current cycle. Its model resembles the operator-collective approach seen in other early-stage AI specialists — LPs who write code and ship products serve as the primary sourcing channel, reference pool, and technical evaluation layer — rather than a capital-first platform built around assets under management. Fellows Fund’s architecture inverts the traditional venture capital diligence model. Instead of generalist investors developing ad-hoc expert networks for each deal, the fund’s 37 AI practitioners are embedded as formal contributors to the investment process. This structure concentrates sourcing authority and technical assessment inside a standing group of operators who are themselves building AI products, creating a flywheel that rewards funds who can convert operator relationships into proprietary deal flow before startups reach broader institutional auctions.

General information

Firm type

Generalist

Year founded

2021

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Sunnyvale

Corporate office

Sunnyvale, CA, United States

Principals

Alex Ren

Founding Partner

JC Mao

General Partner

Lucas Sheiner

General Partner

Sector focus

AI/ML

Frequently asked questions

Who makes investment decisions at Fellows Fund?

The firm lists three General Partners — Alex Ren (Founding Partner), JC Mao, and Lucas Sheiner — as the core decision-makers. Their model also integrates input from a network of 37 AI practitioners who serve as LPs and technical evaluators, though final investment authority rests with the GP group.

How does Fellows Fund source deals?

The firm’s primary sourcing channel runs through its 37 AI Fellows — an LP base composed of active AI founders, enterprise leaders, and researchers. This network surfaces opportunities from labs, startup clusters, and founder referrals that often bypass conventional institutional fundraising timelines. The firm also invites founders to contact partners directly, suggesting a relationship-driven rather than inbound-funnel approach.

Does Fellows Fund operate as a venture capital firm or something else?

Fellows Fund is structured as an asset manager deploying a venture capital strategy — it runs a fund that invests external capital rather than a single family’s balance sheet. Its operator-backer model shares DNA with collective-style vehicles, but the presence of named General Partners and a conventional fund structure places it squarely in the VC category.

What investment stages does Fellows Fund target?

The firm concentrates exclusively on Seed and Series A rounds, per its own public positioning. This stage focus means capital is deployed into companies that have typically raised minimal institutional funding and are led by founding teams still shaping product-market fit within the AI space.

Which sectors does Fellows Fund focus on?

The firm is AI-focused and does not list sector investments outside that umbrella. Portfolio companies span generative AI applications (Gamma, GC AI), clinical AI (Abridge), AI developer tools (Replit), autonomous robotics (Dyna Robotics), and AI-native sales and customer service platforms (Artisan AI, Hyperbound AI).

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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