CAAFI activities are led by the Executive Committee of CAAFI composed of:

Steve Csonka  Steve Csonka
 CAAFI Executive Director
Steve Csonka is a commercial aviation professional with 27 years of broad airline and aviation OEM experience. Steve's strong technical background, which spans the breadth of the commercial aircraft/engine life-cycle, from design through operations, has led to engagements in business development and in long-term strategic planning for the aviation enterprise. Such work has focused on the nexus of future product requirements, technology progression, and industry value propositions, including aspects of policy, advocacy, regulatory affairs, and environmental impact. Steve is a strong industry advocate who seeks pragmatic solutions to the challenges of aviation growth - resulting in his current focus on alternative fuels and the work of CAAFI.

Rich Altman  Richard L. Altman
 CAAFI Executive Director, Emeritus
A 42 year aviation veteran, Rich spent 39 years with Pratt & Whitney initially as a propulsion engineer then in Advanced Technology Business Development. He is a founding member of the US Transportation Research Board Committee on Aviation effects on the Environment and a member of the PARTNER Center of Excellence Advisory Board.

Nate Brown  Nate Brown
 FAA, Head Advisor for Strategy & Implementation
Nate is Head Advisor of CAAFI and provides management and strategy assistance to the Executive Director.  As a Policy Analyst with the FAA’s Office of Environment and Energy he also supports strategies and research to address aviation environmental impacts, energy needs and climate change impacts. He has previously worked on international climate change initiatives at the U.S. Department of State.

Dr. Kristin Lewis  Dr. Kristin C. Lewis
 Volpe Center/RITA, Head Research and Technical Advisor
Kristin serves as the Head Research and Technical Advisor for CAAFI, providing technical and environmental coordination for the Executive Director. Kristin is an Environmental Biologist with the Volpe National Transportation Systems Center. In addition to her work with CAAFI, Kristin participates in research on aviation impacts in the National Parks and the development of noise and emissions models for aviation.

Mark Rumizen  Mark Rumizen
 FAA, Certification Lead
Mark is the Aviation Fuels Specialist in the FAA’s Aircraft Certification Division and has been employed by the FAA since 1991. Prior to the FAA, Mark was employed by GE Aircraft Engines and Pratt & Whitney Aircraft in various engineering and marketing roles.

Dr. James Hileman  Dr. James Hileman
 FAA, Environment Team Co-Lead
Dr. Jim Hileman is the Chief Scientific and Technical Advisor for Environment for the Federal Aviation Administration. Prior to this, he was the Associate Director of the Partnership for AiR Transportation Noise and Emissions Reduction (PARTNER). Within the Department of Aeronautics and Astronautics at MIT, his research focused on modeling the impacts of alternative jet fuels and innovative aircraft concepts on energy efficiency, noise, air quality and global climate change. He received his B.S., M.S., and Ph.D. in Mechanical Engineering from The Ohio State University. He was awarded the 2010 FAA Excellence in Aviation Research award for his team's work on alternative fuels and he was also the FAA Centers of Excellence Faculty of the Year Award recipient in 2010.

Nancy Young  Nancy Young
 A4A, Environment Co-Lead
Ms. Young is the vice president, Environmental Affairs of Airlines for America (A4A). She directs A4A environmental programs, which includes climate change, the environmental aspects of fuel management, noise, emissions, land use, sustainability, waste management and other issues of significance to aviation. She has served for several years on key working groups of the International Civil Aviation Organization's environment committee and, when in private law practice, as co-chair of Beveridge & Diamond's climate change practice group.

Dr. Bruno Miller  Dr. Bruno Miller
 Metron Aviation, Business Team Co-Lead
Dr. Bruno Miller is Principal, Energy and Environment for Metron Aviation. He is Principal Investigator in a number of projects for the National Academy of Science's Airport Cooperative Research Program (ACRP) evaluating technical, environmental, and economic aspects of conventional and alternative aviation fuels. He has also led various FAA and NASA projects focused on quantitative estimates of the ability of U.S. air transport to meet environmental targets. Mr. Miller was formerly a strategic sourcing manager in the fuel department at Delta Air Lines.

John P. Heimlich  John P. Heimlich
 A4A, Business Team Co-Lead
John Heimlich joined Airlines for America (A4A) in April 2001 and currently serves as vice president and chief economist. Prior to A4A, Heimlich spent five years at United Airlines in financial planning, financial analysis and international and regulatory affairs. Heimlich is Chairman of the Consumer Energy Alliance (CEA) Board of Directors and represents A4A in the MIT Airline Industry Consortium and the Air Transport Research International Forum (ATRIF). Heimlich and colleague Nancy Young were voted among the top 50 people in bioenergy. In December 2010, Heimlich received the Armbrust Aviation Group's award for "Distinguished Achievement in Aviation." Heimlich holds a Bachelor of Arts degree, magna cum laude, Phi Beta Kappa, from Cornell University and a master's degree in public policy from Harvard University's John F. Kennedy School of Government.

Dr. Michael Lakeman  Dr. Michael Lakeman
 Boeing, R&D Tri-Lead
Michael is Regional Director of Biofuels Strategy at Boeing Commercial Airplanes where he is responsible for helping to enable regional commercialization projects for sustainable aviation fuels, and performs due diligence on emerging biofuel feedstock technologies. Michael has over a decade of experience in plant and algae science and over four years of first-hand experience in the biofuel industry. He received his Ph.D from University of Washington.

Dr. Stephen Kramer  Dr. Stephen Kramer
 Pratt & Whitney, R&D Tri-Lead
Dr. Stephen Kramer is the manager of Advanced Technology Group for the Combustors, Augmentors, and Nozzles at Pratt & Whitney. Dr. Kramer has over 14 years experience at Pratt and, prior to that, 9 years as a consultant in the field of combustion and fuels. He has over 10 patents and has won several P&W leadership awards. He received his BS, MS, and PhD in Chemical Engineering from Brigham Young University.

Michael J Epstein  Michael Jay Epstein
 GE Aviation, R&D Tri-Lead
Mike's early and mid career at GE Aviation focused on combustion and heat transfer, the latter as Manager, Military Heat Transfer. Mike transitioned to a systems engineering role in 2005 and was responsible for technology insertion and transition for military products. As the focus of the aviation industry has recently shifted back to alternative fuels, Mike has assumed leadership in this area for GE Aviation, leading initiatives on both the commercial and military side of the business. Mike completed a BS in Chemical Engineering from Northwestern University and an MS from Penn State.