Rainer Diaz is originally from Camagüey City, Cuba and began his training at the age of nine. He was accepted into the National Ballet School of Havana, where he was awarded a gold medal during the International Cuban Competition. After graduating from the school with the highest scores, he became a member of the Cuban National Ballet Company performing ballets; Romeo and Juliet, The Nutcracker, and Swan Lake. In 2008 he joined Camagüey Ballet Company also in Cuba where he became the company’s principal male dancer. In 2013 he joined Ballet of Masatlan, Mexico where he danced: Giselle, Don Quixote, Alice in Wonderland, and The Nutcracker. He has worked with international choreographers Vladimir Vasiliex, Carlos Acosta, Rolando Sarabis, Fernando Alonso, Alberto Mendex among others.
In 2017, Diaz joined Cleveland Ballet as a company artist. He performed principal roles in Alice in Wonderland, Carmen, The Magic Flute, and The Nutcracker among others. In 2019, he was promoted to Repertory Director for both the company and school. Diaz teaches classes to all levels, specializing in men’s classes and technique, and runs company rehearsals.