James Costos, a former HBO exec and Obama administration ambassador, donated to many Democratic candidates in 2019.
James Costos, a former HBO executive and major Democratic donor who served as ambassador to Spain during the Obama administration, is throwing in with Joe Biden as the former VP seeks to turn around his campaign https://t.co/2qLVdXNK0I
— POLITICO (@politico) February 28, 2020
New: Hollywood fundraiser/former HBO exec/ex-ambassador James Costos is going all in for Biden, planning a fundraiser in NY in mid-March and other events — https://t.co/cgZcBR6sBm
— Maggie Severns (@MaggieSeverns) February 28, 2020