Computer & electronics hardware
Guido Appenzeller
Started a Palo Alto, CA, firm to commercialize an encryption technology that uses a simple ID, such as an e-mail address, to ensure secure communications.
Global
Qian Zhang
Improved roaming between cellular networks
Global
Ali Hajimiri
Developed an entire radar system, squeezed into a single chip
Global
Michael Helmbrecht
Fabricates microscopic, deformable mirrors on computer chips that perform image correction for medical imaging, surveillance, and other applications.
Global
Tianqaio Chen
Specializes in multiplayer fantasy and role-playing games.