External DARPA Consultant on Heliplane Project

Formerly Chief Engineer and Head of Research and Development at Sikorsky Helicopters.   Dr. Rosen retired following a distinguished career of 40 years at Sikorsky, having led the development of Sikorsky’s most advanced rotor wing aircraft projects.   Mr. Rosen is the recipient of the 2007 American Helicopter Society (AHS) Alexander A. Nikolsky Honorary Lectureship award.