President and CEO Second Sight ® Medical Products, Inc. since the company’s inception in 1998. Dr. Greenberg also sits on the board of directors of the Southern California Biomedical Council and the Alfred E. Mann Foundation. During his tenure at Second Sight, Dr. Greenberg has also held the following part-time positions: Associate Director of the Alfred Mann Institute at USC and Adjunct Professor at UCLA. Prior to the formation of Second Sight® Medical Products, Inc., Dr. Greenberg worked co-managing the Alfred E. Mann Foundation. From 1997 to 1998, he served as a medical officer and lead reviewer for IDEs and 510(k)s at the Office of Device Evaluation at the U.S. Food and Drug Administration in the Neurological Devices Division. In 1998, he received his medical degree from The Johns Hopkins School of Medicine. From 1991 to 1997, Dr. Greenberg conducted animal and human trials demonstrating the feasibility of retinal electrical stimulation in patients with Retinitis Pigmentosa. This work was done at the Wilmer Eye Institute at The Johns Hopkins Hospital in Baltimore and led to the granting of his Ph.D. in 1997 from the Johns Hopkins Biomedical Engineering Department.
Dr. Greenberg also has biosensor and microsensor fabrication experience from work and teaching at the Whittaker Sensors Laboratory at Johns Hopkins. He received a B.S. in Electrical and Biomedical Engineering from Duke University in 1990 and a degree in Technical Electronics from Nassau Technical Institute in 1985.
Dr. Greenberg has started several other small companies including one called ‘Campus Security’ where he designed, manufactured, and marketed an electronic intercom security system called TELEKEY®. These intercoms are currently in use in every dormitory at Princeton, Duke University, and several other universities across the U.S.

