1. Ion Tiriac

3. Personal life Ion iriac is a Romanian businessman Former professional tennis and ice hockey player. The current owner of the Mutua Madrileña Madrid Open. In 2013 Tiriac was elected into the International Tennis Hall of Fame.

4. Born in Transylvania, First appeared on the international sports scene as an ice hockey player on the Romanian national team at the 1964 Winter Olympics. Shortly after switched to tennis as his main sport. With fellow he won the men's doubles in the 1970 French Open and reached the Davis Cup finals several times in the 1970s.

5. After his retirement, he served as coach and manager for players such as; Ilie Năstase, Guillermo Vilas, Mary Joe Fernández, Goran Ivanišević and Marat Safin. He managed Boris Becker from 1984 to 1993. In 1998 he became president of the Romanian National Olympic Committee.

7. Holds the license for the BRD Năstase iriac Trophy tennis tournament since 1996. It is currently a €450,000 event, part of the ATP World Tour 250 series, held annually in Bucharest, Romania, just 2 weeks before the Madrid Open.

8. In 2012 nominated for the ITF Hall of Fame in the contributor category. 13 July 2013 he joined the ITF Hall of Fame as a successful promoter and tournament director for numerous events including the two of the largest Masters 1000 events, the Italian Open and the Madrid Masters.

10. the first Romanian to enter Forbes' List of billionaires in the 2007 Forbes rankings, placing number 840 in the world. wealth estimated at $1.0 billion as of 2010, In 2010 TOP 300 Capital declared Ion iriac the richest man in Romania with a wealth estimated at €1.5–€1.6 billion ($2–$2.2 billion).

11. Fortune is the most appreciated businessman in Romania according to market research conducted by Course national journal. With an estimated fortune 2 bilion euros, Performance in the tennis, a skillful businessman.