No. 12: Pierre and Pam Omidyar
The couple gave $180-million to charities that help critically ill children, groups that try to combat extreme partisanship, and other causes.
By Maria Di Mento
Senior Editor
Mr. Perelman gave more than $52-million to a variety of causes.
By Maria Di Mento
Senior Editor
No. 17: Ernest and Evelyn Rady
The couple pledged $120-million to Rady Children’s Hospital of San Diego.
By Maria Di Mento
Senior Editor
The Google co-founder gave more than $380-million to the Brin Wojcicki Foundation.
By Maria Di Mento
Senior Editor
Mr. Griffin pledged $150-million to Harvard primarily for financial aid.
By Maria Di Mento
Senior Editor
Mr. Shidler pledged $69-million to University of Hawaii Manoa Shidler College of Business to endow professorships, scholarships, and other programs.
By Maria Di Mento
Senior Editor
The banking tycoon gave more than $150-million, most of it to the Sanford Health Foundation.
By Maria Di Mento
Senior Editor
The Google co-foundeer donated company stock worth about $177-million to a foundation named for his father.
By Maria Di Mento
Senior Editor
The couple gave more than $100-million to various causes.
By Maria Di Mento
Senior Editor
Ms. Boyle gave more than $100-million to Oregon Health & Science University.
By Maria Di Mento
Senior Editor