[3] Born in Santa Cruz, California, Radetsky began studying ballet in the San Francisco Bay Area with Ayako Takahashi and Damara Bennett.
During his career at ABT, Radetsky danced leading roles in major works by George Balanchine, Mark Morris, Paul Taylor, Lar Lubovitch, Kenneth MacMillan, Twyla Tharp, Antony Tudor, John Cranko, Agnes de Mille, Jorma Elo, Jerome Robbins, Ann Reinking, Christopher Wheeldon and Jiří Kylian.
1, Lankendem and Birbanto in Le Corsaire, Espada and the lead gypsy in Don Quixote, Demetrius in The Dream, the Pastor in Fall River Legend, the second and third sailor in Fancy Free, Hilarion and the peasant pas de deux in Giselle, the pas de deux in Jabula, Gaston in Lady of the Camellias, the Jailer in Manon, Camille in The Merry Widow, Cavalier and the Nutcracker-Prince and in Kevin McKenzie's The Nutcracker, Iago in Othello, Petrouchka in Petrouchka, the Warrior Chieftain in the Polovtsian Dances from Prince Igor, Rabbit in Rabbit and Rogue, Bernard in Raymonda, the Champion Roper in Rodeo, Benvolio, Tybalt and Paris in Romeo and Juliet, the Bluebird in The Sleeping Beauty, Benno and von Rothbart in Swan Lake, Orion in Sylvia, the fourth movement in Symphony in C, Hortensio in The Taming of the Shrew, Thaïs Pas de Deux, the “Guitar” pas de deux from Within You Without You: A Tribute to George Harrison and leading roles in The Brahms-Haydn Variations, C. to C. (Close to Chuck), Études, and The Leaves Are Fading.
Additionally, he was an original member of “Stiefel and Stars” and a frequent guest performer with ballet companies across the United States and abroad.
[8][9][10][11] Since retiring from performing with ABT, Radetsky has starred as Ross in the Starz TV drama Flesh and Bone, [12][13] in the Hallmark Channel movie A Nutcracker Christmas,[14][15] and in Center Stage: On Pointe where he returned to the role of Charlie.