In March 2013,Brin was ranked No.21 on Forbes 2013 “Billionaires”list,and No.14 among U.S. billionaires who made the list. According to Forbes.com,as of September 2013,Brin’s net worth was $24.4 billion.As director of special projects at Google,Brin shared the company’s day-to-day responsibilities with Page,who served as Google’s CEO,and Eric Schmidt,executive chairman of the company