Dr. Greenberg conducted pre-clinical and clinical trials demonstrating the feasibility of retinal electrical stimulation to elicit visual perceptions. He is also Chairman of the Board of Directors, Southern California Biomedical Council and Alfred Mann Foundations. In addition, he sits on the Board of Directors of a public company, Pulse Biosciences, using nanosecond pulses to modulate cellular activity applied to oncology, dermatology and other minimally invasive applications.  

Dr. Greenberg, is a highly accomplished medical physician, with a degree from Johns Hopkins School of Medicine. He recognized that technologies can help people who could not otherwise see, and he developed them through a coordinated process with major medical centers, including University of Illinois, Chicago; USCLA, and Kellogg Eye Center, to name a few.

To date, 60 Americans and 200 people worldwide have had successful implants. Plans for 2017 include expanding access to patients with additional medical centers offering the procedure as well as compensation plans for patients who need to travel to these centers.