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About Us

Our Team
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Philippe A. Bonnefoy, PhD
Founder and CEO

Dr. Bonnefoy is Founder and CEO at BlueSky. He focuses on analytics and strategy consulting in Aviation, Energy and Environment and on aviation decarbonization through technology, operations, sustainable aviation fuels and market-based measures. He leads a team of experts who provide thought leadership, technical and decision support on projects in the public (federal) and commercial sectors, in the United States and abroad.

Dr. Bonnefoy led and/or contributed to key assessments in support of major aviation climate policies e.g., the development of the ICAO Carbon Offsetting and Reduction Scheme for International Aviation, ATAG Waypoint 2050 report, the ICAO Long Term Aspirational Goal (LTAG) report, and the 2021 U.S. Climate Action Plan.

Dr. Bonnefoy is an expert nominated by the United States (since 2009) to the International Civil Aviation Organization (ICAO) Committee on Aviation Environmental Protection (CAEP) where is currently leading several task groups, including the Working Group on CORSIA (WG4) and the Long-Term Aspirational Goal Task Group Monitoring and Reporting group. He is also contributing to several ICAO CAEP groups; MDG, FESG, WG1, WG3, FTG and ACCS. He is also the former co-rapporteur of the ICAO CAEP Modeling and Database Group (MDG).

Dr. Bonnefoy has over 19 years of experience in data and decision analytics in the air transportation industry. He started and led the Data and Decision Science group at Booz Allen Hamilton in Aviation, Energy and Environment. He was also Postdoctoral Associate in the Department of Aeronautics & Astronautics at the Massachusetts Institute of Technology (MIT) where he conducted research in several areas related to; air transportation, energy and the environment. At MIT, he lectured on flight vehicle engineering, airport development and operations, and the mitigation of environmental impacts of aviation. He also worked and consulted for aviation operators and startups as well as private equity firms.


Dr. Bonnefoy holds a Ph.D. in Engineering Systems and a Master of Science in Aeronautics & Astronautics both from MIT and a bachelor in Aerospace Engineering from Ecole Polytechnique de Montreal in Canada. Dr. Bonnefoy received an award as part of a group Superior Honor Award by the U.S. State Department in 2016 and the 2010 Outstanding Faculty of the Year Award by the Federal Aviation Administration. He is on the Advisory Board of the Aviation Sustainability Center (ASCENT). He also holds a private pilot license with instrument and seaplane ratings.

Luke Jensen, PhD


Dr. Luke Jensen is Senior Associate in aviation analytics at BlueSky. He specializes in modeling, analysis, and the development of aviation, energy, and environmental policy. His focus areas include airline network, market, and business case assessments.

Dr. Jensen has over 9 years of experience in analytics, modeling and policy development related to the operational and environmental performance of the air transportation system. At Aurora Flight Sciences he managed a team of 165 engineers developing a cutting-edge commercial autonomous flight vehicle. He was a Research Assistant and Post-Doctoral Associate at MIT where he focused on data-driven flight procedure simulation and noise analysis. His research and publications span the areas of air transportation systems engineering, air traffic management modernization, airline operations, and environmental impact analysis. Prior to MIT, he was crew chief of the University of Washington Aeronautical Lab (Kirsten Wind Tunnel) in Seattle. He also worked on a private-sector space launch passenger safety system for Blue Origin.

Dr. Jensen holds a Ph.D. and Master of Science in Aeronautics & Astronautics, both from MIT, and a bachelor’s degree in Aeronautics & Astronautics from the University of Washington. Dr. Jensen received the FAA COE Student of the Year; AGIFORS Airline Operations Conference Best Innovation Award (2014); Bonderman Travel Fellowship (University of Washington Honors Program); and the Prof. Victor Ganzer Memorial Fund in Aeronautics & Astronautics (UW Aeronautics & Astronautics). He holds commercial and instructor pilot licenses and has over 1000 hours of flight experience.

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Nadir Ougazzaden
Senior Associate

Mr. Nadir Ougazzaden is Senior Associate in aviation analytics at BlueSky. He specializes in system engineering, modeling, and analysis.

Mr. Ougazzaden received his B.S and M.S. in Aerospace Engineering from the Georgia Institute of Technology. As part of his M.S., he was a Research Assistant at the Aerospace Systems Design Lab (ASDL) at Georgia Tech where his research focused on new generation low-boom supersonic aircraft fleet assessment and route analysis (in support of an ASCENT project for the FAA center of Excellence for Alternative Jet Fuels and Environment).

At Georgia Tech, he was the student lead of the Aerospace Propulsion Outreach Program sponsored by the Army Research Laboratory. He was involved in Undergraduate Research focused on the ice formation and ingestion by gas turbine engines at ASDL.

Mr. Ougazzaden also has global experience. He was a System Engineer intern at the French Ministry of Defense where he worked in the propulsion testing division.

Alisson Tsay
Senior Associate

Ms. Allison Tsay is Senior Associate in aviation analytics at BlueSky. She specializes in technoeconomic analysis, business strategy, and systems engineering.  


Ms. Tsay has over 4 years of experience in the Aerospace & Defense industry, with previous roles in RF and Systems Engineering at Lockheed Martin Skunkworks and Mercury Systems. Ms. Tsay is intimately familiar with the aviation start-up ecosystem, with experience in business strategy at REGENT and as an Investment Associate at Aero X Ventures (a pure-play aerospace venture capital fund). Additionally, she held a 6-month research fellowship at Boeing Sustainability & Future Mobility, where she developed new capabilities for Boeing’s Climate Impact Model (Cascade).


She received her B.S. in Electrical Engineering from Harvard College and will be graduating from MIT’s Leaders for Global Operations program with an MS in Aerospace Engineering and an MBA in May 2024. Allison is also an FAA-rated private pilot and currently in pursuit of her instrument rating.

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