Co-founder, Chief Technology Officer

Mark Massie

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Mark Massie holds an S.M. degree in Nuclear Engineering from MIT, and an S.B. degree in Nuclear Engineering from the University of Tennessee. He has worked at TerraPower in Bellevue, WA, where he developed and implemented a method for calculating high-fidelity fuel compositions in traveling wave reactors. He has also worked at the Oak Ridge National Laboratory, where he developed code for analyzing sodium fast reactors. Mark was a Department of Energy Nuclear Energy University Program Fellow as well as a Department of Energy Advanced Fuel Cycle Initiative Fellow, and was named a Forbes “30 Under 30” in Energy.