Building Earth's Ultimate Energy Source
Founded in 2022, and based in Denver, CO, Xcimer is backed by the world's leading technology investors, including Hedosophia Investments, Breakthrough Energy Ventures, Lowercarbon Capital, Prelude Ventures, Emerson Collective, Starlight Ventures, Wireframe Ventures, Leitmotif Ventures and Gigascale Capital.
Our goal is to commercialize the last energy source that humanity will ever need. Laser fusion will supercharge energy-intensive sectors such as AI, biomedical research, water purification, robotics, quantum computing, and space travel.
Building Earth's Ultimate Energy Source
OUR LEADERSHIP
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Working in inertial fusion since 2009, with deep expertise in radiation hydrodynamics and laser system architecture—bridging the disciplines essential to ignition and commercial inertial fusion energy.
MIT Physics and Nuclear Engineering
Conner Galloway
CEO, Founder -
Early-stage, innovative technology startups since 2002 in industries ranging from fusion to healthcare to AI.
MIT EECS
Alexander Valys
President, Founder
Conner Galloway and Alexander Valys were undergraduate roommates at M.I.T. and worked together during post-graduate studies at Los Alamos National Laboratory. They co-founded Xcimer Energy in 2022 and began hiring a team of world-class leaders in physics, engineering and business from a wide cross-section of industries, including energy, space exploration, computer science, and academia.
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Over 15 years of experience running operations in advanced technology fields including semiconductor lithography.
Brent Gill
Chief Operating Officer -
25-year career building and scaling engineering teams including 12 years at Blue Origin leading engineering for the New Shepherd program.
Giovanni Greco
SVP, Engineering -
Engineering and managing fusion projects for over 25 years, including 15 years at NIF and 5 years at ITER. Member of FESAC and Chair of the FPA Board.
Nuclear Engineering, UNED
Susana Reyes, Ph.D.
VP, Chamber and Plant Design Systems -
Over 15 years of performing diverse legal and compliance roles supporting product engineering, research and development, manufacturing, infrastructure buildout, supply-chain, and commercial transactions.
University of Florida, Materials Science & Engineering, Juris Doctor
Gary Sobolevskiy
General Counsel -
Designing and interpreting laser driven implosion experiments for over ten years.
University of Michigan - Nuclear Engineering
University of Rochester - LLE
Alison Christopherson, Ph.D
Head of Target Design -
Expertise in scaling complex hardware systems for Extreme Ultraviolet (EUV) lithography, analytical instrumentation and advanced materials R&D.
UC San Diego - Doctor of Philosophy (Ph.D.), Chemical Engineering
Silvia De Dea, Ph.D.
Head of Materials and Process Engineering -
Energy industry leader with over 20 years experience in business development, supply chain strategy, and commercialization of advanced nuclear technologies, including small modular reactors at GE Vernova and Hitachi Nuclear Energy.
Brian Boggs
Head of Strategic Development -
Seasoned talent acquisition leader with expertise in recruiting and staffing technical talent for high-growth technology companies including Blue Origin and Meta Reality Labs.
Dan Bauer
Head of Talent -
Over 40 years experience in pulsed power engineering, including leading design and delivery of the pulsed power for the Electra program at NRL.
Doug Weidenheimer
Chief Pulsed Power Architect -
Deep expertise in advanced laser physics, gas kinetics, and optical systems.
PhD, University of Illinois Urbana-Champaign
Austin Steinforth, Ph.D
Chief Laser Architect -
Over 15 years of experience in high-power laser and spectroscopic experiments, with extensive expertise in gas laser kinetics, deep UV sources, spectroscopy, microfabrication, and thin films.
Andrey Mironov, Ph.D
Director of Experimental Science -
Over 20 years experience in large scale precision optical systems. Optical design, integration, and characterization of advanced telescopes and pointing systems.
University of Arizona, Optical Science
Dennis Douglas, Ph.D.
Director of Optics -
Computational physicist with deep expertise in high-performance simulation tools for nonlinear optics and inertial confinement fusion.
PhD, Czech Technical University in Prague
Milan Holec
Director of Theory and Computation
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Bedros Afeyan, Ph.D.
Technical Advisory Board -
Paul Hoff, Ph.D.
Technical Advisory Board -
William Krupke, Ph.D.
Technical Advisory Board -
Joseph Mangano, Ph.D.
Technical Advisory Board -
Tom Mehlhorn, Ph.D.
Technical Advisory Board -
Allen Offenberger, Ph.D.
Technical Advisory Board -
Michael Tobin
Technical Advisory Board -
J. Gary Eden, Ph.D.
Technical Advisory Board
SCIENCE AND TECHNOLOGY ADVISORY BOARD
Mike Campbell, D.Sc
Board Chair
Former Director for University of Rochester's Laboratory For Laser Energetics (LLE)
Former Associate Director for Lasers, LLNL
Former Senior Vice-President Energy, General Atomics
Riccardo Betti, Ph.D.
Target Implosion Physics
Distinguished Professor of Mechanical Engineering and Physics & Astronomy, University of Rochester
Former Chair of the Division of Plasma Physics, American Physical Society
David Crandall, Ph.D.
Fusion & National Security
Former Chief Scientist, NNSA
Greg Van Dyk, Ph.D.
Fusion & National Security
Former Chief Scientist, DoD
Roger Falcone, Ph.D.
Plasma Physics, HEDP
Former President, American Physical Society; Professor of Physics, UC Berkeley
Javier Garay, Ph.D.
Laser Science & Materials Science
Professor and Director of the Fusion Engineering Institute, UC San Diego
Mark J. Kushner, Ph.D.
Laser Science & Plasma Chemistry
Distinguished Professor of EECS, University of Michigan
Rick Spielman, Ph.D.
Pulsed Power
Former Chief Scientist and Project Manager, Sandia Z-Machine; Professor of Physics, University of Rochester
Jim Trebes, Ph.D.
Defense, National Security
Former Director for Directed Energy, DoD; Former Head of Physics, LLNL
George Tynan, Ph.D, FAPS
Rasmussen Adjunct Professor in Nuclear Engineering, MIT
Kazuo Iwama Endowed Distinguished Professor of Engineering Science, Emeritus, UC San Diego
FOUNDING SCIENTIFIC COUNCIL
Bedros Afeyan, Ph.D.
Paul Hoff, Ph.D.
William Krupke, Ph.D.
Joseph Mangano, Ph.D.
Tom Mehlhorn, Ph.D.
Allan Offenberger, Ph.D.
Michael Tobin
OUR INVESTORS
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XEC Locations
- Headquarters, Denver, CO
- Manufacturing Operations, Tuscon, AZ
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Partner Locations
- Los Alamos National Laboratory (Los Alamos, NM)
- Lawrence Livermore National Laboratory (Livermore, CA)
- Oak Ridge National Laboratory (Oak Ridge, TN)
- Savannah River National Laboratory (Jackson, SC)
- Naval Research Laboratory (Washington, DC)
- Laboratory for Laser Energetics (Rochester, NY)
- Massachusetts Institute of Technology (Cambridge, MA)
- General Atomics (San Diego, CA)
- Westinghouse (Cranberry Township, PA)
- Universidad Nacional de Educacion a Distancia, UNED (Madrid, Spain)
