Born in Madrid, Spain. Cristina Casa began her ballet training at the María Larios and África Guzman ballet schools. At only 15 years of age she danced several tours around Madrid and other provinces with the Ballet Joven. In 2005, she continued her studies at Steps on Broadway and the American Ballet Theater. She also won the City of Castellón first prize, being rewarded with an scholarship to dance in the London Studio Center, where she joined the Images Company under the direction of Margaret Barbieri and David Ashmole, touring around the U.K.
In 2007, she danced with the English National Ballet’s production of Swan Lake at the Royal Albert Hall. In 2008, she entered as an inaugural member of Corella Ballet Castilla y León, as part of the corps de ballet, under the direction of Ángel Corella. In April 2009, she was promoted as Soloist. Her performances in that company include: Bayadera, by Natalia Makarova; Clark Tippet’s Bruch Violin Concerto; Twyla Tharp’s In the upper Room; Ángel Corella’s String Sextet; Jerome Robbins’ Fancy Free; the Christopher Wheeldon choreographies VIII, DGV and Polyphonia; Coppelia (pas de trois); Swan Lake (small swans and Odile); Paquita (as Paquita) and Rojas y Rodriguez’s Pálpito, debuted in City Center of New York. In November 2012, she joined the Royal Ballet of Flanders, as soloist, and she danced in ballets such as: Balanchine’s Who Cares; Wayne McGregor’s Infra; creations by Ashley Page; Cameron McMillan; Jirí Kylián’s Forgotten Land; Edward Clug’s Les Noces, Christian Spuck’s The Return of Ulysses, Glen Tetley’s Sacre du Printemps; Demis Volpi’s Nutcracker; F Shuman Pieces by HVManen. Standing out among her main performances are her roles as: Juliet, in Slava Samodurov’s Romeo and Juliette; Olga Oneguin by John Cranko; Kitri by Aleix Fadeyechev; Aurora by Marcia Haydee and Fall & Exhibition by Sidi Larbi Cherkaoui.
In December 2015, she danced as guest ballerina at the Compañía Nacional de Danza, under the direction of José Carlos Martínez, performing as Kitri in the debut of Don Quixote at Madrid’s Teatro de la Zarzuela. In September 2017, she was promoted to the category of Principal Dancer. Her main roles in this regard include Juliet in the balcony scene of Romeo and Juliette; Clara and Sugarplum Fairy in Nutcracker; Walpurgis Night, in honour of Maya Plisetskaya; Vertiginous Thrill of Exactitude, Artifact and Enemy in the Figure, by William Forsythe; Por Vos Muero, by Nacho Duato; Gods and Dogs, by Jirí Kylián; Absolutio by Altea Nuñez; Love Fear Loss by Ricardo Amarante. In May 2017, she won the Premio Alcazaba Ciudad de Ávila, in the competition’s 18th edition, for her artistic career. The prize was awarded by the Mayor of Ávila, who also named her ambassador of the city. In 2018, both she and her husband, Ion Agirretxe, were awarded with the Friends of Honour of the City of Logroño’s Casa de la Danza. In September 2012 she recieved the Grand Prize Giuliana Penzi in the X Edition Labat Loano Danza in Italy. As both actress and dancer she played Isabella in Yuli, the biographic film about Carlos Acosta by the renowned cinema director Iciar Bollaín. She also participates in the Danzantes documentary by Juan Vicente Chuliá.