Deep Isolation Nuclear

Deep Isolation Nuclear, Inc. is a nuclear waste disposal technology company headquartered in Berkeley, California. Founded in 2016, the company specializes in developing safe, scalable and cost-effective solutions for the permanent disposal of spent nuclear fuel and high-level radioactive waste. The company's core innovation leverages directional drilling technology originally developed by the oil and gas sectors to isolate radioactive waste in horizontal, slanted, or vertical boreholes deep underground.

The company has approximately 21 employees and reported 2026 annual revenue of $17 million. Deep Isolation has reached more than 100 issued patents worldwide, with its intellectual property spanning repository systems, hazardous material canisters, and monitoring technologies. The company became a public reporting company on July 23, 2025, following a reverse merger transaction.

Deep Isolation counts Freestone Environmental Services, a multi-discipline environmental and water resources consulting firm headquartered in Richland, Washington, among its subsidiaries. Recent major developments include selection for the U.S. Department of Energy's ARPA-E SCALEUP Ready program with up to $40 million in support and a technology licensing agreement with government contractor Navarro Research and Engineering.

Recent Leadership Appointments

Deep Isolation appointed Joseph Nelson as Chief Financial Officer on February 17, 2026, and Paula Whitten-Doolin as General Counsel on February 3, 2026 to support the company's commercialization efforts and public company readiness.