, ▁Facebook ' s ▁chief ▁executive , ▁said ▁in ▁a ▁post ▁that ▁Gold berg ▁was ▁" an ▁amaz ing ▁person ▁and ▁I ▁am ▁glad ▁I ▁got ▁to ▁know ▁him ." ▁" One ▁of ▁the ▁truly ▁great ▁people ▁on ▁the ▁planet , ▁Dave ▁was ▁of ▁almost ▁un im agin ably ▁remarkable ▁character ," ▁said ▁Dick ▁Cost olo , ▁Twitter ' s ▁chief ▁executive . ▁" One ▁of ▁kind est ▁and ▁most ▁gener ous ▁friends ▁I ' ve ▁known ," ▁said ▁Jeff ▁We iner , ▁chief ▁executive ▁of ▁Linked In . ▁ ▁Professional ▁pok er ▁player ▁Phil ▁Hel m uth , ▁who ▁was ▁a ▁friend , ▁don ated ▁his ▁historic ▁ 1 4 th ▁World ▁Series ▁of ▁P oker ▁bra ce let ▁to ▁Gold berg ' s ▁family . ▁ ▁A ▁mem orial ▁service ▁for ▁Gold berg ▁was ▁held ▁at ▁Stan ford ▁Memorial ▁Aud itor ium ▁on ▁the ▁Stan ford ▁University ▁campus ▁on ▁May ▁ 5 , ▁ 2 0 1 5 . ▁The ▁ 9 0 - min ute ▁service ▁was ▁attended ▁by ▁many ▁members ▁of ▁what ▁Fort une ▁described ▁as ▁" the ▁el ite ▁of ▁Sil icon ▁Valley ," ▁as ▁well ▁as ▁U 2 ▁front man ▁B ono , ▁who ▁performed ▁his ▁song ▁" One ," ▁and ▁actor ▁Ben ▁Aff le ck , ▁who ▁had ▁worked ▁with ▁Gold berg ▁when ▁Gold berg ▁served ▁on ▁the ▁Board ▁of ▁Direct ors ▁of ▁a ▁company ▁he ▁co - f ounded ▁called ▁Live ▁Planet ▁and ▁on ▁a ▁phil anth ropy ▁project ▁for ▁The ▁Eastern ▁Congo ▁In iti