John Arrillaga, the billionaire philanthropist who helped develop the modern Silicon Valley before becoming one of its most prolific and generous donors, died Monday morning at the age of 84 ...

If you’re confused by the process by which the City Council is considering a massive commercial office project put forth by developer John Arrillaga dubbed “27 University” you aren’t alone ...

The Villa Menlo Park becomes an anchor for luxury, culture and dining. The Villa Menlo Park showcases the best in luxury and ...

He's married to the author, educator and philanthropist Laura Arrillaga-Andreessen, daughter of the late billionaire and Silicon Valley real-estate developer John Arrillaga. His partner Ben ...