Richard S. Christiansen
Crown Consulting, Inc.
RICHARD S. CHRISTIANSEN is vice president of Sierra Lobo, Inc a small business that provides engineering and technical services to government agencies and specializes in creating and managing new, innovative technologies. In this role he supports corporate strategy, provides program management to high end clients, as well as business and partnership development. Prior to entering the private sector Mr. Christiansen served at several NASA installations including; as a research lead and project manager at NASA Ames in the Full Scale Wind Tunnel Complex, as program manager for Flight Projects with the Office of Aeronautics and Space Technology and eventually as program director and (acting) associate administrator for the Office of Aeronautics and Space Transportation Technology, where he directed the strategy and management of research and technology development programs. Mr. Christiansen has also served as associate director at Dryden Flight Research Center in where he was responsible for plans and programs for NASA’s flight projects conducted there and, until his retirement as deputy director of NASA’s Glenn Research Center responsible for programmatic responsibilities in aeronautical research and space technology developments for power, propulsion, and communications, and microgravity sciences. He also led the center’s institutional direction in budget formulation and integration, facilities master planning, workforce strategy and procurement. Prior to joining NASA, Mr. Christiansen was an aerospace engineer in General Dynamics and a lecturer at California State Polytechnic University-Pomona. He earned his M.S. in aeronautics and astronautics from Stanford University.
Robert A. Cowart
Gulfstream Aerospace Corporation
ROBERT A. COWART is director of Supersonic Technology Development at Gulfstream Aerospace Corporation where he has worked for over 18 years. His background spans a broad range of disciplines, including structures, systems, ground/flight test, and various R&D activities. He has worked in production, service, and completion engineering roles at Gulfstream. His current work involves managing supersonic research focusing on sonic boom mitigation and enabling civil supersonic overland flight. He serves on the FAA's PARTNER advisory board advocating supersonics and participates in CAEP’s WG1/Supersonic Task Group (SSTG). Gulfstream has successfully executed two key flight programs with NASA: F-15 Quiet Spike and F-18 eXternal Vision System (XVS), and has played key roles in other flight activities related to NASA's low sonic boom research. He received a B.S. and M.S. in Aeronautical Engineering from Georgia Tech.
John B. Hayhurst
The Boeing Company [Retired]
JOHN B. HAYHURST is retired as senior vice president of the Boeing Company and president of Boeing Air Traffic Management. Previously, Mr. Hayhurst was vice president of business development for the Commercial Airplane Services business unit of Boeing Commercial Airplanes Group (BCAG). Prior to this assignment, he served as vice president and general manager of 737 aircraft programs. In addition, he was general manager of the BCAG production site in Renton, Washington. Before that, he served as vice president for the Americas and was responsible for the Boeing business relationships with airline customers in North America and Latin America and for the sale of Boeing commercial airplanes to customers in those regions. Mr. Hayhurst joined Boeing in 1969 as a customer support engineer. He held positions of increasing responsibility related to commercial airplanes and in 1987 was promoted to vice president of marketing. In this position, he played a significant role in the launch of the Boeing 777. Subsequently, he was responsible for leading teams planning the design, development, and manufacture of aircraft larger than the Boeing 747. He then served as vice president-general manager of the Boeing 747-500X/600X program. Mr. Hayhurst is a fellow of the Royal Aeronautical Society and holds a bachelor’s degree in aeronautical engineering from Purdue University. He received a master’s degree in business administration from the University of Washington in 1971. In 1998, Mr. Hayhurst was awarded an honorary Ph.D. in engineering by Purdue University. He is currently a member of the Aeronautics and Space Engineering Board.
Timothy C. Lieuwen
Georgia Institute of Technology
TIMOTHY LIEUWEN is professor of engineering at the School of Aerospace Engineering at Georgia Institute of Technology and an expert in propulsion engineering. Dr. Lieuwen is the author of Combustion Instabilities in Gas Turbines and Syngas Combustion. His research lies at the intersection of combustion, fluid mechanics, acoustics, and controls. Much of his work is directed toward development of clean combustion energy systems for power generation, aircraft propulsion, or refining/process industries. His work involves coordinated experiments, computations, and theoretical analyses. Experiments generally use state of the art laser diagnostics to characterize the unsteady velocity field and flame dynamics. He also uses computations to simulate flame and flow dynamics, and theoretical analyses to provide insight for limiting cases. He has previously served on the NRC aeronautics decadal survey propulsion and power panel.
Ronald F. Probstein
Massachusetts Institute of Technology
RONALD F. PROBSTEIN (NAS/NAE) is Ford Professor of Engineering, Emeritus, Massachusetts Institute of Technology. His career centered on scientific applications of fluid mechanics, both theoretical and experimental, to numerous areas of conceptual, economic, or societal importance, including hypersonics, dust comets, desalination, physicochemical hydrodynamics, synthetic fuels, in situ soil remediation with electric fields, and slurry rheology. His contributions to the fields of hypersonics, rarefied gas flow, desalination, and water purification earned him election to the NAS and NAE. As a fluid dynamicist, Dr. Probstein carried out fundamental and applied studies of hypersonic and physicochemical flows. His research on hypersonic viscous and rarefied gas flows played a significant role in ICBM and spacecraft reentry development. Dr. Probstein served on the NRC Committee on Microgravity Research (1993-1995) and the Space Studies Board (2004-2006).
Case Western Reserve University
ELI RESHOTKO (NAE) is the Kent H. Smith Professor Emeritus of Engineering at Case Western Reserve University. Dr. Reshotko joined the faculty at Case Western in 1964 and prior to that worked at NASA–Lewis Flight Propulsion Laboratory (now NASA–Glenn Research Center). His area of expertise is viscous effects in external and internal aerodynamics; two- and three-dimensional compressible boundary layers and heat transfer; stability and transition of viscous flows, both incompressible and compressible; and low-drag technology for aircraft and underwater vehicles. He has expertise in propulsion engineering, thermodynamics, aerodynamics, and aircraft propulsion. He is a fellow of the AIAA, ASME, the American Physical Society, and the American Academy of Mechanics, for which he served as president. He is co-author of more than 100 publications and is affiliated with many task forces, committees, and governing boards. He earned his Ph.D. in aeronautics and physics from the California Institute of Technology. Dr. Reshotko currently serves as the NAE Section 1 liaison members chair and he is currently a member of the Aeronautics and Space Engineering Board and the committee on Assessment of NASA Laboratory Capabilities.
Rogers E. Smith
ROGERS E. SMITH is a consultant and a retired senior NASA test pilot. He served as a fighter pilot with both the Royal Canadian Air Force and the United States Air National Guard for 24 years, where he also held senior leadership positions. During his career as a test pilot, engineer and technical leader, Rogers held positions with the National Research Council of Canada, NASA Langley Research Center, Cornell Aeronautical Laboratory/ Calspan, and became a research test pilot at NASA Dryden Flight Research Center. At Dryden he participated in a wide variety of test programs, involving, for example, the X-29, AFTI F-16 and F-111, X-31, F-15 ACTIVE, F-18 and SR-71 aircraft. After a distinguished career at Dryden (19 years), where he also served as chief pilot and acting director of Flight Operations, he retired in 2000 and pursued a career in consulting. He was then engaged with EADS in Germany, first as an advisor on the Eurofighter flight control system development and then as a vice president and director of Flight Test at the EADS Military Aircraft Division. He currently works as an aerospace consultant in the areas of flight test and safety. Current contracts include work with the Swiss SolarImpulse project and with Unmanned Systems Incorporated as an advisor on the testing for USAF Predator programs. He is the author of over 30 technical papers and was co-creator of the Neal-Smith fighter control system design criterion. He is a fellow and past president of the Society of Experimental Test Pilots, a fellow of the Royal Aeronautical Society, and a member of the American Institute of Aeronautics and Astronautics. He received a B.A.S. in engineering physics and a M.A.S. in aeronautical engineering from the University of Toronto.
Aurora Flight Sciences Corporation
JOHN TYLKO is vice president of business development at Aurora Flight Sciences Corporation. He is an experienced aerospace industry executive and technology entrepreneur. Previously, Tylko co-founded General Computer Company (GCC) and served as its chief operating officer for 25 years. GCC developed a variety of innovative products in the consumer electronics and personal computer markets, ranging from video games to laser printers. Mr. Tylko was also a founding member of Aurora Flight Science’s board of directors and has been continuously involved with the company since its inception. He has served as vice president of Aurora Flight Sciences, where he led Aurora’s aerostructures business sector and was responsible for successfully managing Aurora’s Global Hawk Unmanned Air Vehicle (UAV) engineering and manufacturing development program as Global Hawk transitioned from prototype to full rate production. He led the development of Aurora’s state-of-the-art composite structures manufacturing center. He also assumed overall responsibility for Aurora’s business development and corporate strategic planning. He established Aurora’s relationship with Sikorsky Aircraft which includes the design and manufacturing of major sections of the CH-53K expeditionary helicopter for the U.S. Marine Corps and the rapid development of the S-97 Raider based on the X-2, which won the 2010 Collier Trophy. He led the capture of Aurora’s first Joint Capabilities Technology Demonstration for the Department of Defense and U.S. Air Force, based on the Orion medium-altitude long-endurance UAV. He is a recipient of Massachusetts Institute of Technology (MIT) Founders Award, which recognizes entrepreneurship. He is a member of the American Institute of Aeronautics and Astronautics and a member of the board of directors of Women in Aerospace. He earned a B.S. in aeronautics and astronautics from MIT.
ACENT Laboratories, LLC
RANDY VOLAND is co-founder and vice president of ACENT Laboratories, LLC, which carries out research in hypersonics and other advanced aerospace disciplines and performs research and development in clean/alternative energy technologies. Mr. Voland was previously employed as a research engineer and technology manager in the area of hypersonic propulsion at the NASA Langley Research Center. While at NASA Langley, Mr. Voland was a hypersonic propulsion research engineer specializing in ground and flight tests of more than 20 scramjet engines at Mach numbers from 3.5 to 15. He held key roles in every successful scramjet related flight test conducted with U.S. involvement to that point; the NASA X-43A flights, the University of Queensland HYSHOT, and the NASA/Russian CIAM test. His technology management roles included chief technologist for the proposed X-43B Reusable Combined Cycle Flight Demonstrator, NASA Vehicle Systems Program Hypersonic Vehicles sector manager, and principal investigator for the Hypersonics Project in the Fundamental Aero Program. In these last two roles, Mr. Voland was technical and programmatic leader of all hypersonics research conducted under the NASA Aeronautics Program. In addition to his present research and development efforts at ACENT Labs in advanced biofuels, hydrogen storage and utilization, and carbon dioxide capture, Mr. Voland continues to serve the flight test community as a consultant on two U.S. Air Force hypersonic flight test programs, the X-51 Scramjet Engine Demonstrator Program, and the Hypersonic International Flight Research Experiments Program. He is a member of several professional societies and has won several major honors and awards, including the Aviation Week and Space Technology Laureate, and the NASA Exceptional Service Medal. Mr. Voland graduated from North Carolina State University with a B.S. in mechanical engineering and received an M.S. in fluid mechanics and thermal sciences from George Washington University.
Deborah D. Whitis
GE Aircraft Engines
DEBORAH D. WHITIS is section manager for Materials Applications Engineering at General Electric Aviation, responsible for over forty materials engineers and technicians. The Materials Applications Engineering role supports materials issues on legacy and new product introduction engine programs in development, design, manufacturing, test, and in the field. Additionally, the group supports new material supplier qualifications, as well as managing the internal characterization laboratories and failure analysis team. Dr. Whitis received a BS in mechanical engineering from the University of Illinois, an M.S. in mechanical engineering from Massachusetts Institute of Technology and an M.S. in materials science from University of Cincinnati, as well as a Ph.D. in materials science and engineering from University of Virginia. Her academic and industrial experience has involved the development of constitutive models for microstructural evolution and mechanical behavior for high temperature aerospace alloys. Whitis served as the modeling task leader for the DARPA Accelerated Insertion of Materials program, coordinating the efforts of industry, university, and government laboratory resources to develop multi-scale microstructure and property models for nickel-based superalloys. She is a founding member of the Integrated Computational Materials Engineering (ICME) Technical Advisory Group (TAG) for TMS, and she serves as a member of the high temperature alloys committee of the structural materials division and the shaping and forming committee of the materials processing and manufacturing division of the TMS. She has previously served on the NRC Committee on Integrated Computational Materials Engineering: Development of a Roadmap for a Grand Challenge in Materials.