California Institute of Technology

The California Institute of Technology is home to leading academic experts in almost all fields of science and technology. The Caltech Experts Guide provides members of the media with contact information for these experts.

Featured Experts

B. Thomas Soifer

B.T. Soifer is an expert in infrared and space astronomy.

Professor of Physics; Chair, Division of Physics, Mathematics and Astronomy; Director, Spitzer Science Center

Sossina M. Haile

Sossina Haile is an expert in materials science and fuel cells.

Professor of Materials Science and Chemical Engineering

Ammon Yariv

Amnon Yariv

Ammon Yariv is an expert in semiconductor lasers, photodetectors, and optical communications.

Martin and Eileen Summerfield Professor of Applied Physics and Professor of Electrical Engineering


All Experts