Amount donated in 2012: $45.6-million
Beneficiary: Ellison Medical Foundation
Background: Mr. Ellison co-founded Oracle, a computer-software company.
Mr. Ellison, 68, gave slightly more than $45.6-million to his Ellison Medical Foundation to support biomedical research. He started the nonprofit in 1997 to support organizations and researchers studying the aging process, age-related disabilities and diseases, stem-cell research, and other scientific fields that might not be well-supported by other sources.
The foundation awarded 70 new grants in 2012 and gave out more than $46.5-million last year.