September 30, 2015
Donald Bren, the owner of the Irvine Co., is the wealthiest resident of Orange County and 30th-richest person in the United States, with a net worth of $15.2 billion, according to the Forbes 400 list. The Newport Beach resident is also the wealthiest real estate magnate in the country.
Others with Orange County-based businesses that made the list include Igor Olenicoff, the founder of Newport Beach-based Olen Properties, with a net worth of $3.6 billion. Real estate investor George Argyros of Newport Beach also made the list, with his $2-billion fortune, largely from apartment firm Arnel & Affiliates