Bill Gates had an estimated net worth of US$90.6 billion at the time. , Gates had a net worth of $95.4 billion, making him the second-richest person in the world, behind Bezos. Later in his career and since leaving Microsoft, Gates pursued a number of philanthropic endeavors. He donated large amounts of money to various charitable organizations and scientific research programs through the Bill & Melinda Gates Foundation. In 2009, Gates and Warren Buffett founded The Giving Pledge, whereby they and other billionaires pledge to give at least half of their wealth to philanthropy. The foundation works to save lives and improve
USS Thomas S. Gates to Istanbul, where she disembarked VADM Ilg (9–10 August). Owing to the crisis in Lebanon, which had dictated that the fleet flagship, guided missile cruiser not carry out her scheduled visit to Sevastopol, "Thomas S. Gates" then operated in support of the "Coral Sea" and battle groups off Beirut. Returning to Toulon, "Thomas S. Gates" there underwent a period of maintenance (7–13 September). After taking part in NATO Exercise Display Determination 89 (14 September- 3 October) in concert with units of the French and Turkish Navies, she conducted a period of escort operations (3–11 October) as she transited to the