Bren, the chairman of the Irvine Co., has given more than $60 million to UC Irvine, both privately and through his Donald Bren Foundation. His other giving has benefitted K-12 education and conservation groups.
Marion Knott has donated to Orange County arts, science and healthcare organizations, including $8 million to Chapman University. Phil and Mary Lyons have given financial support and many volunteer hours to Orange County arts programs, including the Pacific Symphony. Jerri Rosen founded Working Wardrobes, a nonprofit that helps unemployed women with professional "wardrobing" and career development services.