Ion Țiriac, Romanian tennis player and manager
Ion Țiriac (Romanian pronunciation: [iˈon t͡siriˈak]; born 9 May 1939), also known as the "Brașov Bulldozer", is a Romanian businessman and former professional tennis and ice hockey player. He is the current president of the Romanian Tennis Federation.A former singles top 10 player on the ATP Tour, he is the winner of one grand slam title, the 1970 French Open in men's doubles. Țiriac was the first man to play against a woman and defeat her in one set in a sanctioned tennis tournament (against Abigail Maynard, in 1975). The highlight of his ice hockey career was participating as defenseman in the Romanian national team at the 1964 Winter Olympics.

After retirement, he became active as a tennis coach, advisor and player agent in the 1980s, taking under his wing Ilie Năstase, Manuel Orantes, Adriano Panatta, Guillermo Vilas, Henri Leconte and the young Boris Becker. Later, Țiriac developed the Mutua Madrid Open ATP masters tennis tournament, which he owns. In 2013, he was elected as contributor into the International Tennis Hall of Fame. He has currently been managing French tennis player Lucas Pouille since December 2016.

As a tennis player he played dramatic 5 setters against Rod Laver, Stan Smith, Jan Kodeš or Manuel Orantes. His singles record includes wins over Arthur Ashe, Stan Smith, Roscoe Tanner, Manuel Orantes, Andrés Gimeno, Adriano Panatta and Niki Pilić. He played 3 Davis Cup finals (in 1969, 1971 and 1972).According to Forbes magazine, in 2020 he was ranked as the third richest businessman from Romania.