Union Square Ventures

Union Square Ventures is a private equity and venture capital firm based in New York, founded in 2003. The firm specializes in early-stage, growth capital, and late-stage financing, primarily within the internet sector. It focuses on companies that operate in the applications layer of the web, internet services, and mobile technology, emphasizing those that can create large networks and leverage innovative information technology for high-growth opportunities. Union Square Ventures typically invests between $1 million and $20 million in portfolio companies, with initial investments often starting at $1 million, and occasionally higher for Series A rounds. The firm targets ownership levels of 15% to 20% and prefers to act as a lead investor, actively engaging with the entrepreneurs it funds. Its investment strategy spans various industries, including media, marketing, financial services, fintech, climate tech, blockchain technology, telecommunications, and healthcare, with a preference for companies located in New York, San Francisco, London, and Berlin.

Hanel Baveja

Analyst

John Buttrick

Partner

Nick Grossman

Partner

Rebecca Kaden

Partner

Samson Mesele

Partner and General Counsel

Gillian Munson

Partner

Andrew Weissman

Partner

Fred Wilson

Partner

Past deals in Nuclear Energy

Noya

Series A in 2023
Noya captures CO2 from the sky and re-sells it for 2x cheaper than existing options. We do this by retrofitting existing industrial equipment like cooling towers and converting them into CO2 capture machines.

David Energy

Series A in 2022
David Energy Systems, Inc. specializes in designing, building, and managing onsite energy grids for industrial, commercial, and residential buildings. The company offers a software platform that allows users to efficiently manage vital data and electronic billing, thereby enhancing transparency in an otherwise opaque energy market. Established in 2017 and headquartered in Brooklyn, New York, David Energy combines technological expertise with field support to empower building owners and developers to optimize their onsite energy usage.

Radiant

Series A in 2022
Radiant is engaged in the development of portable nuclear microreactors that serve as a clean energy alternative to fossil fuels for military and commercial uses. Founded in 2019 and headquartered in Los Angeles, California, the company leverages the expertise of former SpaceX engineers to create innovative power solutions. Its patented microreactor is designed to fit within a shipping container, allowing for transportation by air, sea, and road. Utilizing safe fuels that have been extensively tested by the Department of Energy, Radiant's technology draws on decades of nuclear innovation to provide a low-cost, zero-emissions power source that can operate in diverse environments.

Transmutex SA

Series A in 2021
Transmutex develops nuclear technology designed to efficiently reduce the stockpile of existing nuclear waste-based technologies tested at CERN and at the Paul Scherrer Institute (PSI).

David Energy

Series A in 2020
David Energy Systems, Inc. specializes in designing, building, and managing onsite energy grids for industrial, commercial, and residential buildings. The company offers a software platform that allows users to efficiently manage vital data and electronic billing, thereby enhancing transparency in an otherwise opaque energy market. Established in 2017 and headquartered in Brooklyn, New York, David Energy combines technological expertise with field support to empower building owners and developers to optimize their onsite energy usage.