The four-day retreat, known informally as “summer camp for billionaires,” is full of opportunities for powerful figures to schmooze, network, and make deals. Among this year’s cohort are tech tycoons Tim Cook of Apple,

Titans of tech and media are descending upon Sun Valley, Idaho, for the annual Allen & Co. conference nicknamed "summer camp for billionaires."

Some of the world’s wealthiest business leaders and political figures are gathering in Sun Valley, Idaho, for Allen & Company’s exclusive annual conference, often called the “summer camp for billionaires.