'PayPal Mafia' among attendees of Peter Thiel's secret retreat: Report

'PayPal Mafia' is among the list of former and current attendees of billionaire PayPal Co-founder Peter Thiel's secret retreat, which is scheduled to take place in August this year, according to reports. The term 'PayPal Mafia' refers to former founders and early employees of PayPal who worked in the late 1990s and early 2000s. Several billionaires are on the list.