Fundraising Fox
Proton Enterprises
Venture studioNew York · Seed–Series A · 5 people tracked
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Investment thesis
Proton Enterprises practices what it calls venture development: co-building companies from the ground up with extraordinary leaders by contributing not only capital but also time and talent. Its work centers on two areas: health and wellness (including probiotics/digestive health, hydration, senior nutrition, and mental wellbeing) built on trusted science and community engagement; and IP commercialization, bringing deep tech, IoT, and medtech research out of laboratories with dedicated operators and patient capital, spanning regenerative medicine, orthopedics, machine learning, and wireless transmission. Beyond building ventures, the firm invests capital broadly alongside strong co-investors and backs emerging managers bringing fresh perspectives to venture.
Source: firm website, verified Aug 3, 2026.
Team · 5 people
from curated & public directories
What they invest in
from 1 of 1 portfolio companiesAI & Machine Learning ×1Enterprise Software ×1Future of Work ×1SaaS ×1
HQs:United States×1
Investments · 1 tracked
founders shown can be your intro path
FollowUpThen provides email productivity tools for teams, allowing members to manage follow-ups and customize workflows through optional add-on skills.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Reilly Sweetland(Founder)in
Co-investorsY CombinatorAgrolimen Ventures
Frequently asked questions
- What stage does Proton Enterprises invest at?
- Proton Enterprises invests at the Seed, Series A stages.
- What sectors does Proton Enterprises focus on?
- Proton Enterprises focuses on AI & Machine Learning, Biotech, Deep Tech, Healthtech, IoT, Longevity, Medical Devices, Mental Health, Wellness & Fitness.
- Where is Proton Enterprises located?
- Proton Enterprises is headquartered in New York, US.
Images
Co-investors · 12
Todd and Rahul's Angel Fund is an early-stage investment vehicle run by founders Todd Goldberg and Rahul Vohra, who write $300k-$500k checks into early-stage startups and help with product/market fit, go-to-market, and future fundraising.
Paradigm is a frontier technology investment firm that builds and invests in early-stage companies across crypto, AI, robotics, and other emerging technology areas.
Vibe Capital is a $10M venture fund investing in Web3, AI, and Deep Science startups at the pre-seed and seed stage.
Shrug Capital started as a viral joke tweet that became a $3M venture fund, blending elite Silicon Valley investors with celebrities like Tony Hawk and The Chainsmokers to create an unusually strong bridge between tech and entertainment culture. The fund backs companies with "effortless sharing" potential that are culturally resonant enough to explain enthusiastically to non-tech friends, while the partners act as obsessive fans who tattoo portfolio logos and turn their personal lives into marketing campaigns for their companies.
An investment platform that enables elite athletes to participate in venture capital investments alongside established top-tier investors in promising startups.
Trust Fund is an early-stage venture fund that invests in tech-enabled products helping people start and build businesses. It writes small checks into pre-seed and seed companies without leading rounds or taking board seats.
BootstrapLabs is a venture capital firm focused on Applied Artificial Intelligence, investing in visionary founders building AI-first companies across multiple sectors.
Anti Fund is an early-stage-to-growth venture firm that backs technical, anti-consensus founders and pairs technical judgment with distribution and attention to help companies define new market categories.
Positive Sum Capital is a venture capital firm that backs founders pursuing their life's work.
Newfund Capital is an early-stage venture capital firm operating out of Silicon Valley and Paris, backing entrepreneurs across technology sectors.
Firms observed investing alongside Proton Enterprises, from public investor directories. Shared companies are the overlap with Proton Enterprises's recorded portfolio.
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