Dr. Rosenberg is a co-founder of Wavestream Corporation, a Gilat Subsidiary, a leading manufacturer of SSPAs, BUCs, and transceivers for satellite communications. He serves as Wavestream’s Chief Technology Officer.

He is co-inventor of the pseudomorphic High Electron Mobility Transistor (pHEMT), and of the Grid Amplifier, a chip-level spatial combiner capable of efficiently combining the outputs of hundreds of transistors in a single combining step. He is author/co-author of over 50 publications in refereed journals and conference proceeding on semiconductor devices, semiconductor processing, and microwave/mm-wave amplifiers and sources, and co-author of a textbook on engineering modeling and analysis. He is inventor/co-inventor on 13 US patents and 20 non-US patents.

He received the Sc.B. Degree in Engineering from Brown University, M.S. in Electrical Engineering from U. C. Berkeley, and Ph.D. in Electrical Engineering from Columbia University. He was a recipient of a National Science Foundation Fellowship, Faculty Development Awards from both IBM Corporation and AT&T, and the NSF Presidential Young Investigator Award. Member of Tau Beta Pi.

Serving as Deputy Manager of JPL’s MicroDevices Lab, he oversaw the start-up of the laboratory, and led the development of new high-speed optical communications products as Director of Engineering at GPD Optoelectronics. He has held professorships at Brown University and Harvey Mudd College, and was a Research Associate at California Institute of Technology.