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 the Gulf of Aqaba. Following an in-port period at Jeddah (2–10 March), where she underwent an IMAV alongside the destroyer tender , "Thomas S. Gates" transited the Suez Canal (12 March). She then conducted anti submarine warfare exercises in the central Mediterranean (15–17 March), after which she transited the Strait of Gibraltar (18 March), headed for Norfolk, returning to her homeport on 28 March. "Thomas S. Gates" fourth major deployment was from 6 May to 6 Nov 1992. "Thomas S. Gates", with HSL-44 Detachment 9 embarked, deployed (Med 2-92) in company with guided missile cruiser and destroyer on 6 May