Who is Brad Lightcap, Altman's right-hand man who left OpenAI?

OpenAI COO Brad Lightcap announced on Tuesday that he is leaving the startup after eight years. Considered CEO Sam Altman’s de facto right-hand man, Lightcap joined OpenAI in 2018 after roles at JPMorgan and Dropbox. In a short period, he expanded OpenAI’s commercial team from around 50 to more than 700 employees and helped build its enterprise business.