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 After visiting Palma, Majorca (20–27 June) and Toulon, France (30 June-15 July), where she underwent an Intermediate Maintenance Availability (IMAV), "Thomas S. Gates" transited to the eastern Mediterranean (15–21 July); following a port visit to Izmir, Turkey (21–23 July), "Thomas S. Gates" participated in Exercise Demon Jazz 89 (24–29 July). She then visited Istanbul, Turkey (31 July-2 August), where she embarked VADM Paul Ilg, Deputy Commander in Chief U.S. Naval Forces, Europe, and then stood into the Black Sea (3–4 August). Accompanied by the guided missile frigate , "Thomas S. Gates" visited Sevastopol, USSR, from 4–8 August, and then returned