Castor Ventures (an Alumni Ventures Fund)
Funding platformPre-SeedβLate Stage
Investment thesis
Castor Ventures operates as an exclusive venture investing platform for MIT alumni, combining professional venture fund management with syndicated deal access. The firm believes that a large, engaged network of fellow alumni investors collectively makes better investment decisions and can access higher-quality deal flow. By co-investing alongside elite venture capital firms and providing transparent due diligence materials, Castor aims to democratize venture access for accredited individuals while maintaining rigorous investment standards.
Source: firm website, verified Aug 6, 2026.
What they invest in
from 16 of 71 portfolio companiesAI & Machine Learning Γ5Biotech Γ5Advanced Manufacturing Γ3Deep Tech Γ3SaaS Γ3Cleantech Γ2Energy Γ2Hardware Γ2
HQs:United StatesΓ20
Investments Β· 71 tracked
founders shown can be your intro pathBiotechFlorham Park, US
Vincent LeVien(Director)Robert J. Hariri(Executive Officer, Director)Joseph DosSantos(Chief Financial Officer)Peter Diamandis(Director)John R. Haines(Executive Officer)Geoffrey Ling(Director)
Foundation Alloy engineers custom metal alloys and components using solid-state processing that avoids melting, enabling microstructures and contaminant control that conventional metallurgy cannot achieve.
Advanced ManufacturingDeep TechNew Materials
Jasper Lienhard(Cofounder)
Accolade provides virtual healthcare services including primary care, mental health therapy, and benefits navigation for employees and their families.
Digital HealthHealthtechSaaSPlymouth Meeting, US
Sheila Burke(Director)Michael T. Yang(Director)Steve Barnes(Executive Officer)Thomas J. Neff(Director)J. Michael Cline(Director)John W. Rowe(Director)
Activ Surgical develops digital surgery imaging technology that uses augmented reality, artificial intelligence, and machine learning to help surgeons visualize critical physiological structures during surgery.
AI & Machine LearningHealthtechMedical DevicesBoston, US
Michael Ruehlman(Executive Officer)Emily Casey(Director)David Wells(Director)Peter Kim(Director)Todd Usen(Executive Officer, Director)
BoardAshok Krishnamurthi(Director)
Akselos develops Structural Performance Management (SPM) software that uses physics-based AI to combine operational data with real-time structural integrity conditions, giving operators predictive insight into asset limits, throughput, and lifecycle decisions.
AI & Machine LearningEnergySaaS
Montreal
Jason Nolte(Director)Allan Benchetrit(Chief Executive Officer and Director)Christopher Rowen(Director)Domenic Durante(Chief Financial Officer)Mark Kvamme(Director)
BoardAlan MacIntosh(Director)
Axoft develops soft neural implants and brain-computer interface technology for research and clinical applications.
BiotechDeep TechMedical DevicesCambridge, US
Paul Le Floch(Executive Officer, Director)inChia An Lee(Director)Benjamin Pless(Director)Rachel Sha(Director)Tianyang Ye(Director)
New York, US
Christopher Richard Shaffer(Executive Officer)Flori Marquez(Executive Officer)Zachary Lee Prince(Executive Officer, Director)Kavita Gupta(Director)
Palo Alto, US
Payam Banazadeh(Executive Officer, Director)William Woods(Director)Chris Boshuizen(Director)Nabeel Hyatt(Director)
Chicago, US
Dan Wagner(Executive Officer, Director)Alan Fu(Executive Officer)Tim O'Reilly(Director)Christopher Olsen(Director)Eric Schmidt(Director)
San Jose, US
Yiren Huang(Executive Officer, Director)Alan Armstrong(Executive Officer, Director)Lip Bu Tan(Director)Bill Moore(Director)Joseph DeFranco(Executive Officer)Michael Raam(Director)
Applies real-time AI and public data to generate actionable alerts for corporations, newsrooms, and NGOs.
BiotechCambridge, US
Ann DeWitt(Director)Bobby Herrara(Executive Officer)Prashant Chouta(Executive Officer, Director)Bobby Brooke Herrera(Cofounder)
Mountain View, US
Gavin Baker(Director)Stefan Dyckerhoff(Director)Shrijeet Mukerjee(Director)Rochan Sankar(Executive Officer, Director)
BiotechBoston, US
Philip Austin(Director)Steffen Helmling(Director)Jacqueline Heard(Executive Officer, Director)
BiotechCambridge, US
Roozbeh Ghaffari(Executive Officer, Director)John Rogers(Director)Alexander J. Aranyosi(Executive Officer)Stephen Lee(Executive Officer)James Ryan(Executive Officer)John Wright(Executive Officer)
Fundamental Research Labs builds autonomous, socially intelligent AI agents capable of reasoning and multi-agent collaboration.
AI & Machine Learning
Burlingame, US
Ken Martin(Executive Officer, Director)Chris Farmer(Director)Ryan Fabian(Director)Chad Hurley(Director)Sam Englebardt(Director)Nick Swinmurn(Executive Officer, Director)
GrubMarket is a food tech company operating a B2B and B2C marketplace in the U.S. and Canada, offering both wholesale produce delivery at discounted prices and AI-powered SaaS software solutions for food supply chain businesses including inventory management, warehouse operations, and eCommerce platforms.
B2B MarketplacesE-commerceEnterprise SoftwareFoodTechLogistics & Supply ChainSaaSSan Francisco, US
Mike Xu(Founder/CEO, , President)inZhoujia Brad Bao(Director)
BoardHans Tung(Director)
Frequently asked questions
- What stage does Castor Ventures (an Alumni Ventures Fund) invest at?
- Castor Ventures (an Alumni Ventures Fund) invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth, Late Stage stages.
- What sectors does Castor Ventures (an Alumni Ventures Fund) focus on?
- Castor Ventures (an Alumni Ventures Fund) focuses on Sector Agnostic.
- Does Castor Ventures (an Alumni Ventures Fund) lead rounds?
- Castor Ventures (an Alumni Ventures Fund) typically participates in rounds rather than leading them.
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