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RSI Ventures operates as a boutique family office, investment, and advisory platform. It primarily deploys capital in real estate as general partners or co-investors, focusing on impact and sustainable strategies. The firm concentrates on real estate, consumer rights, and renewable energy, actively engaging in portfolio management to foster growth.
Founded around 2020 by Jesse Fruman, Daniel Spear, Michael Karns, and Stephanie Wellek, RSI Ventures emerged from recognizing market demand for sustainable, impact-driven investment. Founders combined expertise to strategically deploy capital in sectors offering financial returns and positive societal influence.
RSI Ventures serves project sponsors needing capital and advisory services, high net worth investors seeking curated opportunities. Its vision is to be a leading capital investment partner, supporting business growth within specialized domains. The firm aims to build a robust portfolio, aligning financial success with meaningful impact as it expands in sustainable markets.
RSI Fund has 3 tracked investments across 3 companies. The latest tracked deal is $18.7M Series A in MYCOPHYTO in January 2026.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Jan 13, 2026 | MYCOPHYTO | $18.7M Series A | Maha Keramane, François Charbonnier, Alex Gerbaud | CDG Invest, Crédit Agricole, Noshaq |
| Mar 24, 2023 | Mystifly | $8.0M Pre-Series B | Nanika Kakkar | Jenfi & Crusade Partners |
| Jan 1, 2017 | SoundHound | $75.0M Series D | — | 7BC Venture Capital, GFT Ventures, Marcy Venture Partners, Rubicon VC, Upfront Ventures, VSC Ventures, Walden Catalyst Ventures, Chad Stender, Kevin LIN, Mark Gillespie, Global Catalyst Partners, Kleiner Perkins, Mkann, Nomura, Jeff Herbst, Shankar Chandran, SharesPost, Sompo Japan Nipponkoa Insurance, Translink Capital, Walden Venture Capital |
