| 9/91-11/92 | California Institute of Technology, Pasadena, California, Supersonic combustion, testing and analysis |
| 3/93-1/95 | PRC Inc., Mt. Laurel, New Jersey, Internal flow design and analysis |
| 7/94-3/95 | Thermo Energy Systems Corporation, Waltham, Massachusetts, Analysis of novel fluid-dynamic power generation scheme |
| 11/94-3/95 | Cummins Engine Company, Columbus, Indiana, Analysis of gas-turbine technology trends for power generation markets |
| 3/95-1/96 | Visidyne, Burlington, Massachusetts, Analysis of flow diagnostic techniques |
| 1/96-10/98 | General Electric, Aircraft Engines Group, Lynn, Massachusetts, Gas turbine test facility evaluation |
| 12/95-6/97 | Allison Advanced Development, Indianapolis, Indiana, Conducted wind-tunnel experiments |
| 8/96-8/96 | Volvo Aero, Trollhättan, Sweden, Professional development course |
| 2/96-3/96 | Rasor Associates, Sunnyvale, California, Evaluation of combustion process |
| 12/96-2/97 | CFD Research, Huntsville, Alabama, Micro-combustion processes |
| 8/27-9/27 | Russell & DuMoulin, Vancouver B.C., Canada, Aircraft noise |
| 3/95-5/98 | Telectro-Mek, Fort Wayne, Indiana, Development of thrust measuring systems for aircraft |
| 2/96-6/03 | United Technologies, East Hartford, Connecticut, Gas turbine combustion and professional development courses |
| 9/97-10/97 | Deka Research and Development, Manchester, New Hampshire, Combustor design |
| 10/97-2/00 | Skadden, Arps, Slate, Meagher & Flom, Los Angeles, CA, Gas turbine combustion processes |
| 3/98-9/98 | WorkSmart Energy Enterprises, Chevy Chase, MD, Evaluated the technical feasibility of utilizing company's invention to improve heat engine efficiency |
| 8/98 - 10/98, 5/01 - 5/04 |
US Environmental Protection Agency, Aircraft technology for low emissions |
| 4/99-8/02 | Naval Facilities Engineering Service Center, Pollution prevention technology development |
| 10/99-2/02 | Institute for Defense Analyses, Defense Science Study Group |
| 4/00-12/00 | Universal Technology Corporation, Joint Strike Fighter Independent Technical Review Team (Air Quality & Noise) |
| 6/01-11/01 | Tamarac, Gas Turbine Durability |
| 9/01-5/03 | Meggitt Avionics, Gas Turbine Diagnostics |
| 5/02-12/02 | US General Accounting Office, Aircraft emissions |
| 8/02-12/02 | Raytheon Missile Systems |
| 8/02-7/13 | Rolls-Royce, Environmental Advisory Board, Chairman |
| 9/02-01/04 | ALSTOM Power, Gas turbine engine design and performance |
| 9/07-8/10 | Wyle Laboratories, Consultant on ACRP 02-06, Greenhouse Gas Emissions Inventories for Airports and ACRP 02-09, Development Plan for a Multimodal Noise and Emissions Model |
| 3/09 – 7/09 | Pru Stevens, Barrister, Christchurch NZ, Expert opinion on aircraft noise trends |
| 11/08 – 9/09 | Cambridge Systematics, contributions to 2009 DOT Report to Congress on Transportation’s Role in Reducing U.S. Greenhouse Gas Emissions |
