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Committee Members and Staff Biographical Information
GEORGE T. LIGLER, Chair, is the proprietor of GTL Associates, a consultancy that has provided systems integration/engineering and product management services to clients on three continents. He is also a professor and the Dean’s Excellence Chair in Multidisciplinary Engineering at the Texas A&M University. Previously, he served as the Dean’s Eminent Professor of the Practice in the University of North Carolina at Chapel Hill/North Carolina State University Joint Department of Biomedical Engineering. He has served as a subject-matter expert since the 1990s to support the Federal Aviation Administration’s implementation of both satellite-based navigation and Automatic Dependent Surveillance-Broadcast (ADS-B) as components of the Next Generation Air Transportation System. He is currently the co-chair of RTCA Special Committee-159 (Navigation Equipment Using the Global Navigation Satellite System) and is a former founding co-chair of RTCA Special Committee-228 (Minimum Operational Performance Standards for Unmanned Aircraft Systems). Ligler received the RTCA Achievement Award, RTCA’s highest award, in both 2006 and 2017 (co-recipient) for his contributions to satellite-based navigation system initiatives, ADS-B, and the development of standards for unmanned aircraft systems. Ligler is a member of the National Academy of Engineering (NAE) and is the past chair of NAE Section 12, Special Fields and Interdisciplinary Engineering. Ligler holds a D.Phil. in mathematics and computation from the University of Oxford, with his studies supported by a Rhodes Scholarship.
ERIC ALLISON is the head of product at Joby Aviation. He most recently led the Elevate team at Uber, developing software tools that built on more than a decade of experience enabling on-demand mobility. His experience in aerospace research, electric propulsion, energy storage, vehicle autonomy, and composite structures led him to the CEO position at Zee Aero, where he spearheaded the development of Cora, an autonomous air taxi vehicle. Allison holds a Ph.D. in aeronautics and astronautics from Stanford, an M.S. in aeronautics and astronautics from Stanford, and a B.S. from the Milwaukee School of Engineering.
JOHN-PAUL B. CLARKE is a professor and the Ernest Cockrell, Jr. Memorial Chair at The University of Texas at Austin (UT Austin). Prior to joining the faculty at UT Austin, Clarke was a faculty member at the Georgia Institute of Technology, the vice president of Strategic Technologies at United Technologies Corporation (now Raytheon), a faculty member at the Massachusetts Institute of Technology (MIT), and a researcher at Boeing and NASA’s Jet Propulsion Laboratory. Clarke has also co-founded multiple companies, most recently Universal Hydrogen, a company dedicated to the development of a comprehensive carbon-free solution for aviation. Clarke is a leading expert in aircraft trajectory prediction and optimization, especially as it pertains to the development of
flight procedures that reduce the environmental impact of aviation, and in the development and use of stochastic models and optimization algorithms to improve the efficiency and robustness of aircraft, airline, airport, and air traffic operations. Clarke is particularly interested in leveraging his expertise to enable increasingly autonomous aircraft-enabled mobility, especially in urban and regional settings. Clarke received an Sc.D. in aeronautics and astronautics from MIT.
LETICIA CUELLAR-HENGARTNER is a data scientist at Los Alamos National Laboratory (LANL) in the Information Systems and Modeling group. Cuellar-Hengartner has worked in various groups at LANL, including Discrete Simulations Sciences, Information Sciences, Risk Analysis, and Decision Support Systems, and Intelligence and System Analysis. Cuellar-Hengartner has expertise in statistics, stochastic modeling, machine learning, and model validation. Cuellar-Hengartner’s work at LANL includes modeling transportation networks, modeling illegal trafficking of nuclear materials, modeling critical infrastructure, predicting disaster response, modeling telecommunication systems and networks, and methods development enabling soft cosmic ray tomography. These projects use stochastic modeling, agent-based simulations, modeling of human activity and behavior, graph theory and network analysis, and Bayesian networks. Cuellar-Hengartner is the principal investigator for an Ernst & Young–founded project that focuses on developing forecasting models for audit quality and analysis of social networks, and the co-principal investigator on the Probabilistic Effectiveness Methodology project that performs probabilistic risk assessments of nuclear smuggling. Cuellar-Hengartner is the recipient of the LANL 2012 Distinguished Performance Award and the 2011 Los Alamos Award Program. Cuellar-Hengartner earned a Ph.D. in applied probability and stochastic processes from the University of California, Berkeley.
KAREN M. FEIGH is a professor and associate chair for research at the Daniel Guggenheim School of Aerospace Engineering at the Georgia Institute of Technology. Feigh’s expertise is in flight mechanics and controls, and the aeronautical engineering multidisciplinary research areas of robotics, autonomy, and human interactions. Feigh has experience in fast-time air traffic simulation, conducting ethnographic studies of airlines and fractional ownership operation control centers, designing expert systems for air traffic control towers and NextGen concepts, and conducting human-in-the-loop experiments for concept validation. Feigh is a member of the American Institute of Aeronautics and Astronautics and Zonta International; received the Wilbur and Orville Wright Graduate Award; and was an Amelia Earhart Fellow, a National Science Foundation Graduate Research Fellow, and a Marshall Scholar. Feigh received a Ph.D. in industrial and systems engineering from the Georgia Institute of Technology.
JEFF GUZZETTI is a retired aircraft accident investigator with many years of experience working for the Federal Aviation Administration (FAA) and the National Transportation Safety Board (NTSB). While serving as the director of the FAA Accident Investigation Division from 2014 to 2019, Guzzetti engaged in the development and assessment of corrective actions resulting from accident investigation findings. His prior experience also includes 18 years with NTSB, where he served as a systems engineering specialist, investigator-in-charge, and headquarters executive. Guzzetti also served as the assistant inspector general for aviation audits for 4 years at the U.S. Department of Transportation and led audits of FAA aviation safety programs. Guzzetti is a commercial-rated pilot and earned a B.S. in aeronautical engineering from Embry-Riddle Aeronautical University. He is now the president of Guzzetti Aviation Risk Discovery, LLC (GuARD), an aviation safety consulting company.
RONALD J. HINDERBERGER is an independent consultant and is retired as the vice president of the Boeing Company after a 38-year career. Four years before retirement, Hinderberger was the vice president of engineering for the 787-program leading the engineering team through the initial deliveries of that airplane type. Prior to that assignment, Hinderberger was the vice president of Boeing’s Regulatory Administration organization and the FAA lead administrator of Boeing’s Organization Designation Authorization. In this capacity, Hinderberger was responsible for overseeing all of Boeing’s delegation activities and closely coordinating with FAA leadership. Hinderberger also held various engineering executive leadership positions at Boeing within the 787-propulsion systems team, and Aviation Safety organization, including Boeing’s accident investigation team. Hinderberger was Boeing’s representative to the FAA Commercial Aviation Safety Team, which brought forward specific recommen-
dations to enhance the safety of all commercial airplane operations. Hinderberger has received special recognition from Jane Garvey, FAA administrator, for leadership of the FAA’s Aviation Rulemaking Advisory Committee Fuel Tank Safety Harmonization activity. Hinderberger has a B.S. in aeronautics from Saint Louis University.
ZAHRA MOHAGHEGH is an associate professor in the Department of Nuclear, Plasma, and Radiological Engineering in the Grainger College of Engineering at the University of Illinois at Urbana-Champaign (UIUC). She is the director of the Socio-Technical Risk Analysis Research Laboratory at UIUC, focusing on the advancement of risk science and applications for the safety of complex technological systems. Mohaghegh has conducted research and published widely on probabilistic risk assessment, probabilistic physics of failure analysis, human-system reliability modeling, risk-informed decision-making, and uncertainty analysis. Her research has been supported by grant awards from the U.S. Department of Energy, the National Science Foundation, the U.S. Nuclear Regulatory Commission, the FAA, the nuclear power industry, and the International Atomic Energy Agency. Mohaghegh received the Zonta International award for conducting aviation safety research; the George Apostolakis award in risk assessment; and the American Nuclear Society award for her pioneering in the introduction of human and organizational factors into the risk analysis of socio-technical systems in nuclear and other high-risk industries. She has a Ph.D. in reliability engineering from the University of Maryland, College Park.
PAUL MORELL is an independent consultant and retired vice president of safety, security, regulatory compliance, and environmental compliance at American Airlines. Morell’s areas of expertise are aviation safety, managing aviation risk, implementing and evaluating the effectiveness of FAA Safety Management Systems to identify and mitigate risks. Morell was the industry co-chair of the FAA CAST and the industry co-chair of the FAA Aviation Safety Analysis and Information Sharing program, programs that utilize an integrated, data-driven proactive strategy to reduce the commercial aviation fatality risk in the United States. Morell holds an M.B.A. from National University.
JAN C. SCHILLING is a retired chief engineer for advanced products at General Electric Aviation (GE Aviation). Schilling’s interests include the utilization of advanced components and materials into existing, new, and future aviation propulsion systems. Schilling’s career at GE Aviation included leading the team that designed, developed, and certified the GE90-115B engine for Boeing’s 777-300ER/200LR aircraft. Schilling served as GE Aviation’s chief engineer and general manager with responsibility for product integrity, flight safety, and compliance with regulations for all fielded and development engines. Schilling is a member of NAE, and has an M.S. in aerospace engineering from the University of Cincinnati.
ROBERT E. VOROS is the System Safety Lead at Merlin Labs, LLC. Previously, he was the manager of engineering processes for Textron Aviation, Inc. (manufacturer of Cessna and Beechcraft products). There he managed a team integrating and improving engineering processes involving the Organization Designation Authorization, development assurance (based on SAE ARP4754A), and system safety (based on SAE ARP4761). He is a key interface on these topics to industry organizations and certification authorities. Since 2017, he has been serving as the chairperson for the SAE International S-18 Aircraft and System Development and Safety Assessment Committee, for which he was inducted into the 2019 SAE Top Contributor Class. Voros has a B.S. in mechanical engineering from Rose-Hulman Institute of Technology, Terre Haute, Indiana.
AMIR YACOBY is a professor of physics and applied physics at Harvard University and a visiting professor at Brookhaven National Laboratories. Yacoby’s current interests are in understanding the behavior of low-dimensional systems and their applications to quantum information technology. Yacoby’s research topics include quantum computing; quantum metrology; high-precision sensing and imaging; and quantum Materials. Yacoby is also a private pilot with instrument rating and with more than 450 hours of flying time. Yacoby is a member of NAS and received a Ph.D. from the Weizmann Institute of Science in Israel.
STAFF
ARUL MOZHI is a study director at the National Academies of Sciences, Engineering, and Medicine. Since 1999, Mozhi has been directing projects in the areas of defense and broader science and technology carried out by numerous committees of the Aeronautics and Space Engineering Board, the Space Studies Board, the Laboratory Assessments Board, the Army Research Laboratory Technical Assessment Board, the Naval Studies Board, the Air Force Studies Board, and the National Materials and Manufacturing Board. Prior to joining the National Academies, Mozhi held technical and management positions in systems engineering and applied materials research and development (R&D) at several small- and mid-size high tech R&D and consulting companies in the Washington, DC, and Boston areas—UTRON, Roy F. Weston, and Marko Materials. He received his M.S. and Ph.D. (the latter in 1986) in materials engineering from The Ohio State University and then served as a postdoctoral research associate there for 2 years. He received his B.Tech. in metallurgical engineering from the Indian Institute of Technology, Kanpur, in 1982.
ALAN ANGLEMAN serves as the associate director for the Aeronautics and Space Engineering Board and the SSB. He joined the National Academies in 1993 and has directed studies on the modernization of the U.S. air transportation system, strategic planning for aeronautics and space technology, the safety of space launch systems, space nuclear power and propulsion systems, aviation weather systems, aircraft certification standards and procedures, supersonic aircraft, and other aspects of aeronautics and space research and technology. Previously, Angleman worked for consulting firms in the Washington, DC, area providing engineering support services to the U.S. Department of Defense and NASA. His professional career began with the U.S. Navy, where he served as a nuclear-trained submarine officer during the Cold War. He has a B.S. in engineering physics from the U.S. Naval Academy and an M.S. in applied physics from Johns Hopkins University.
COLLEEN N. HARTMAN joined the National Academies of Sciences, Engineering, and Medicine in 2018 as the director for the SSB, the ASEB, and the Board on Physics and Astronomy (BPA). After beginning her government career as a presidential management intern under Ronald Reagan, Hartman worked on Capitol Hill for House Science and Technology Committee Chairman Don Fuqua, as a senior engineer building spacecraft at NASA Goddard, and as a senior policy analyst at the White House. She has served as the planetary division director, deputy associate administrator, and acting associate administrator at NASA’s Science Mission Directorate, as the deputy assistant administrator at NOAA, and as the deputy center director and director of science and exploration at NASA’s Goddard Space Flight Center. Hartman has built and launched scientific balloon payloads, overseen the development of hardware for a variety of Earth-observing spacecraft, and served as NASA program manager for dozens of missions, the most successful of which was the Cosmic Background Explorer (COBE). Data from the COBE spacecraft gained two NASA-sponsored scientists the Nobel Prize in physics in 2006. She also played a pivotal role in developing innovative approaches to powering space probes destined for the solar system’s farthest reaches. While at NASA Headquarters, she spearheaded the selection process for the New Horizons probe to Pluto. She helped gain administration and congressional approval for an entirely new class of funded missions that are competitively selected, called New Frontiers, to explore the planets, asteroids, and comets in the solar system. She has several master’s degrees and a Ph.D. in physics. Hartman has received numerous awards, including two prestigious Presidential Rank Awards.
LINDA WALKER is a program coordinator with the Board on Physics and Astronomy and Space Studies Board. She has been with the National Academies for 14 years. Prior to the National Academies she was employed with the Association for Healthcare Philanthropy as a membership secretary.
