Date of Birth: 
Place of Birth: La Seyne-sur-Mer, Provence-Alpes-Côte d'Azur, France
About Giacomo Perez-Dortona
- Giacomo Perez-Dortona or d'Ortona (born 11 November 1989) is a retired French competitive swimmer belonging to club CN Marseille.
- At the 2012 Summer Olympics, he competed in the men's 100 metre breaststroke, finishing in 17th place in the heats, failing to reach the semifinals.
- He was also part of the French men's 4 x 100 m medley relay team.
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