• Research

    Multi-stage, Response-function particle Transport (MRT) methodologies, and hybrid parallel numerical (Sn, Method of Characteristic, Ray-Tracing & Fictitious Quadrature) particle transport theory methods for modeling and simulation of nuclear systems in power, medicine, and security and safeguards
    – Automated variance reduction techniques for fixed-source and eigenvalue Monte Carlo calculations, e.g., CADIS – Consistent Adjoint Driven Importance Sampling; Methodologies and tools for detection of nuclear materials using active and passive integration systems; Computational methods in reactor physics and shielding
    – Algorithms for image reconstruction in medical devices; Advanced algorithms for generation of multigroups nuclear cross sections
    – Sensitivity and perturbation methods; nuclear reactor digital control and severe accidents issues

  • Publications

  • Professional History

    2015-Present, Virginia Nuclear Energy Consortium, Chairman of the Board
    2011-Present, Virginia Tech, Dept. of Mechanical Engineering, Professor
    2010-2012, Southeast Universities Nuclear Reactor Institute for Science and Education (SUNRISE), Chairman of the Board
    2009-2011, Florida Power and Light, Endowed Chair Professor
    2009-2010, Director of University of Florida Training Reactor
    2001-2009, University of Florida, Dept. of Nuclear and Radiological Engineering, Professor and Chair
    2008-2009, University of Florida Training Reactor, Interim Director
    2006-2007, Nuclear Engineering Department Heads Organization, Chair
    2005-Present, HSW Technologies LLC, President and CEO
    2004-Present, Florida Institute of Nuclear Detection and Security (FINDS), Interim Director
    1999-2005, H&S Adv. Comp. Tech. Inc., President and CEO
    1998-2001, Pennsylvania State University, Professor
    1998-1998, SCK-CEN, Mol, Belgium, Visiting Scientist
    1993, Pennsylvania State University, Associate Professor
    1990-1990, Oak Ride National Laboratory, Engineering, Physics and Mathematics Division, Faculty Research Participant
    1988, Pennsylvania State University, Research Associate
    1986, Pennsylvania State University, Research Assistant
  • Awards and Honors

    2011-RPSD Professional Excellence Award
    2010-Member of International Advisory Council for the Nuclear and Quantum Engineering Dept, KAIST, Korea
    2009-Recognition award from DOE for leadership and contributions to design and analysis for the UFTR HEU to LEU fuel conversion
    2009-Florida Power & Light Endowed Term Professorship
    2007-Chair, International Advisory Council for the Nuclear and Quantum Engineering Dept, KAIST, Korea
    2002-Fellow, American Nuclear Society, for pioneering contributions to the development of accurate and efficient deterministic adn stochastic particle transport theory methods and their application to different complex nuclear systems
    Received, with students and collaborators, 10 best paper awards
    Who’s Who in Science and Engineering, 1989-Present
    1988-Sigma Xi, the Scientific Research Society, Penn State University
    1981-Alpha Nu Sigma, National Nuclear Engineering Honor Society, Washington Alpha Chapter


Ph.D., Nuclear Engineering, University of Washington, 1986
M.S., Nuclear Engineering, University of Washington, 1981
B.S., Physics, Pahlavi (Shiraz) University, Shiraz, Iran, 1978

(571) 858-3333
Virginia Tech Research Center
900 N. Glebe Road
Arlington, VA 22203

Alireza Haghighat

Professor and Director

Nuclear Engineering Program