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David G. Madsen

David Madsen is the principal technical advisor in motor carrier safety at the U.S. DOT Volpe Center.

Andrew Hansen, PhD

Dr. Andrew Hansen is a principal technical advisor on modeling and system design of the aviation enterprise. Dr. Hansen joined the U.S. DOT Volpe Center in 2005 with a focus on studying environmental consequences across safety, capacity, and sustainability dimensions of the aviation sector.

Kim Cardosi, PhD

Dr. Kim Cardosi is the principal technical advisor in aviation human factors at the U.S. DOT Volpe Center.