On September 29, 2025, ASP Isotopes Inc. announced that Paul Mann will serve as Interim CEO and become Executive Chairman of the company. The move follows Mann’s previous role as CEO and signals a leadership transition while the board searches for a permanent chief executive officer. The announcement was made via a Globe Newswire release from Washington, D.C.
In addition to the CEO change, ASP Isotopes disclosed that Quantum Leap Energy LLC, its subsidiary focused on advanced nuclear fuels, has appointed Michael Cunniffe as its new Chief Financial Officer. The CFO appointment is intended to strengthen financial oversight and reporting for the subsidiary’s operations. The change aligns with the company’s broader strategy to support its nuclear fuels business as it expands its HALEU and lithium production capabilities.
The leadership updates are significant for investors because they reflect the company’s ongoing efforts to stabilize its executive team during a period of rapid operational expansion. Both appointments are expected to maintain continuity in strategic execution while positioning the company for future growth in its specialist isotope and nuclear fuel markets.
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