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John Amaechi
John Uzoma Ekwugha Amaechi (listen), OBE (; born 26 November 1970) is a British-American psychologist, consultant and former professional basketball player. He played college basketball at Vanderbilt and Penn State, and professional basketball in the National Basketball Association (NBA). Amaechi also played in France, Greece, Italy, and the United Kingdom. Since retiring from basketball, Amaechi has worked as a psychologist and consultant, establishing his company Amaechi Performance Systems.
In February 2007, Amaechi became the first former NBA player to publicly come out as gay after doing so in his memoir Man in the Middle. Since then, he has been regarded as "one of the world's most high-profile gay athletes".
Source: Wikipedia