At Jeffrey Epstein’s Manhattan mansion in 2011, from left: James E. Staley, at the time a senior JPMorgan executive; former Treasury Secretary Lawrence Summers; Mr. Epstein; Bill Gates, Microsoft’s co-founder; and Boris Nikolic, who was the Bill and Melinda Gates Foundation’s science adviser.
Mr. Gates has minimized his ties to Mr. Epstein. But a Times investigation reveals they had a closer relationship than previously known.