NET WORTH: $2.4 billionAGE: 76RESIDENCE: Bel AirSOURCE OF WEALTH: Inheritance, money managementLAST YEAR: $2.2 billionCHANGE: +9%THE MONEY: Day serves as chairman and chief executive of the W.M. Keck Foundation, one of the largest charitable organizations in the United States with more than $1 billion in assets. The foundation, which offers grants in engineering, science and medical research, was created by Day’s grandfather, Superior Oil Co. founder William Myron Keck. Day also serves as chief executive of hedge fund Oakmont Corp. He started his career in finance at White Weld & Co. and founded investment management firm Trust Co. of the West in 1971. Day sold 70% of the company to French bank Société Générale in 2001 for between $1.4 and $1.9 billion.THE BUZZ: In May the W.M. Keck Foundation provided a $2 million grant to establish the UCLA W.M. Keck Foundation Covid-19 Research Fund. The university said the fund supports basic science research aimed at understanding the virus and developing new methods to detect infection and create treatments. The foundation also granted an additional $8 million to other Los Angeles institutions to support Covid-19 research and emergency relief efforts. Day was born in Los Angeles and graduated from Claremont McKenna College. In 2007, he made a $200 million donation to the school to create the Robert Day Scholars Program.