Born in France, Alexandre started studying ballet with Michelle Miance in Mantes La Jolie. Through her introduction, he entered the school of Paris Opera Ballet. There he studied ballet, jazz, modern, mime, character dance, acting and history of dance under the tutelage of several teachers such as Claude Bessy, Max Bozzoni, Solange Golovine, Rene Bon, Gilbert Meyer, Molly Molloy, Joseph Roussillo and Michel Renauld.

After graduating in 1980, Alexandre was awarded a grant to study at the American Dance Festival at Duke University in Durham, NC. Upon his return to France, he auditioned for E . Virginia Williams, Pierre Lacotte and Violette Verdy who invited him to join Boston Ballet. In 1984, after participating in the first New York International Dance Competition, he was invited to join New York City Ballet, under Peter Martins and Jerome Robbins, where he performed as a soloist and principal dancer. In 1995, he was featured in the Tony-nominated new Broadway production of Chronicle of a Death Foretold, directed and choreographed by Graciela Daniele. In 1997, he was a guest artist with the Martha Graham Dance Company. In 1999, he worked with director/choreographer Martha Clarke for three years on various new productions including Vers La Flamme and Hans Christian Andersen. 

As a New York City resident he has performed, taught and choreographed for numerous companies and schools across the globe including New York City Ballet, School of American Ballet, Pacific Northwest Ballet, Atlanta Ballet, Stars of Paris Opera, the Paris Opera, Teatro Colon (Buenos Aires), Maggio Danza (Florence), Cape Town City Ballet (SA), Ballettakademien (Stockholm), the Juilliard School, the Ailey School, Steps on Broadway, the Lines Ballet School (San Francisco), the New Jersey Ballet, Bordeaux Opera Ballet and the Joffrey School in New York.