Daniel Nestor is Canadian retired professional tennis player. Nestor became the first doubles player in ATP history to win 1000 matches. He has never dropped out of top 100 in doubles in his career, a total of 1134 consecutive weeks. He is 10th for most men's ATP titles in Open Era history. Nestor won 91 men's doubles titles, including a Gold medal in Australia at the 2000 Summer Olympic games, eight Grand Slam men's doubles titles, and four ATP World Tour Finals. Nestor was not finished, winning four Grand Slam mixed doubles titles at the the 2007 Australian Open, the 2011 Australian Open, the 2013 Wimbledon and 2014 Australian Open. He was named ATP Doubles Team of the Year in 2002 and 2008. Daniel was the first player in doubles tennis history to win every Grand Slam and Masters Series event, the Year End Championships and Olympic gold medal. He became the world No. 1 ranked doubles player in August 2002. Nestor's career-high singles ranking is world No. 58, which he reached in August 1999.