• Member (by invitation), External Review Team of the Comprehensive Digital Transformation (CDT) program, NASA-Langley Research Center, 2016-present
  • Member (by invitation), Advisory Committee for the Engineered Surfaces, Materials, and Coatings (ESMC) for Aircraft Drag Reduction program, Air Force Research Lab (AFRL), 2015-present
  • Invited speaker at several national and international forums including
    •  5th Symposium on Integrating CFD and Experiments in Aerodynamics, Tokyo, Japan, 2012
    • CD-adapco Customer Advisory Council meeting, New Orleans, 2011
    • Royal Aeronautical Society Applied Aerodynamics Conference, Bristol, UK, 2010 
    • NATO/ RTO Air Vehicle Technology Symposium, Athens, Greece, 2007
    • Symposium on Applied Aerodynamics and Design of Aerospace Vehicles (SAROD), Thiruvananthpuram, India, 2007
    • NASA Symposium on Computational Methods for Stability and Control (COMSAC), Hampton, VA, 2003
    • DoD HPCMPO Workshop on V&V and Certification by Analysis, Dayton, OH, 2003
    • NASA/DoD Workshop on Aerodynamic Flight Prediction, Williamsburg, VA, 2002
    • AIAA Fluid Dynamics Conference, Albuquerque, NM, 1998
    • NASA Workshop on Surface Modeling, Grid Generation and Related Issues in CFD, Cleveland, OH, 1995
    • Third International Congress of Fluid Mechanics, Cairo, Egypt, 1990
  • Member (by invitation), Council on Competitiveness National Advisory Committee, High Performance Computing Initiative, 2003-2011
  • Member (by invitation), Industrial Advisory Board, Michigan/AFRL/Boeing Collaborative Center on Aeronautical Sciences, 2007-2011
  • Member (by invitation), Strategic Advisory Committee, AFRL/ Virginia Tech/ WSU Collaborative Center for Multidisciplinary Sciences, 2008-2011
  • Leader (by appointment), LM Corporate Technology Focus Group on Aerosciences, 2002-2011
  • Member (by invitation), NRC ASEB Fluids Panel to evaluate AFOSR proposals, 1996-2002
  • Member, Flight Research Subcommittee (FRS), NASA Aero-Space Technology Advisory Committee (ASTAC), 1999–2001
  • Leader (by appointment), LM Corporate Task Force on Advanced Computing, 1994-2000
  • Panel Member (by invitation), Future of CFD, AIAA Fluids 2000 Conference and Exhibit, Denver, CO, June 2000
  • Invited to serve on Peer Review Panel Member for (a) Sandia National Lab, Compressible Fluid Mechanics and Aerothermodynamics, 1999; (b) Air Force Research Lab, Computational Sciences Research, 1999; (c) NASA-Langley Research Center, Aerodynamics Research Program (2015), High-Lift Aerodynamics (1999); Computational Algorithms (1997), and High Alpha Research Program (1991)