Castor Ventures

General contacts
Investor type

VC

Founded

-

AUM

-

Location

Boston, Massachusetts, United States

Investment Ticket

-

Investment Stage

Late Stage (Series C+) Series A

Region of investment

Asia Europe North America
Investor profile last updated: 16 August, 2026

Profile

Castor Ventures is a venture capital firm based in Boston, Massachusetts, United States. The firm is part of the Alumni Ventures network, which is known for building the world’s largest venture network. The team includes experienced professionals like Chris Sklarin, a Managing Partner with a background at Edison Partners. Castor Ventures focuses on providing accredited investors access to top venture deals, emphasizing technology, entrepreneurship, and innovation.

The firm invests across various sectors, including technology, AI, and blockchain. They typically participate in Series A to late-stage rounds, co-investing alongside leading VCs. Castor Ventures has raised over $1.6 billion in capital and manages a diverse portfolio of over 1,800 companies. Their investment strategy is global, with a presence in the US, UK, and Japan.

Notable investments include Axiom Space - space infrastructure, Bluesky - decentralized social media, Circle - digital currency payments, Cohere - AI language models, and Groq - AI chip architecture. These companies highlight Castor Ventures' focus on cutting-edge technology and innovation.

Industry

Technology AI Blockchain/Crypto

Contacts

Name
Title
Email
Social Networks
avatar
James Gill Co-Founder & Lead Director
Co-Founder & Lead Director
j•••@•••
avatar
Mark Edwards Executive Team
Executive Team
m•••@•••
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FAQs about Castor Ventures

Castor Ventures is a venture capital firm. It backs companies at Late Stage (Series C+) and Series A.
Castor Ventures is located in Boston, Massachusetts, United States.
Castor Ventures was founded in .
Castor Ventures invests in companies and startups in Technology, AI, Blockchain/Crypto.
Castor Ventures invests in companies and startups in Asia, Europe, North America.
Castor Ventures invests in companies and startups at Late Stage (Series C+), Series A.
Castor Ventures can be reached through its website avgfunds.com and its LinkedIn page. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Castor Ventures — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
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Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.