Rosalie began her dance training with Mary-Ann and Romayne Strilka (former Radio City Music Hall Rockettes) and through the years studied Ballet with Istvan

          Rabovsky, Alexi Ramov, Carol Sumner, Edwina Fontaine, David Howard, Melissa Hayden, & Christine Neubert, Jazz with Jimmy Sutton & Luigi, Tap with Jimmy.  Sutton & Charlie Lowe, and Pilates with Edwina Fontaine. Rosalie was accepted into the School of American Ballet at the age of 15. Rosalie studied Voice and Tap with Charlie Lowe at Charlie Lowe's Show Business School for Kids performing in several shows at New York's Carnegie Hall as a soloist singer and dancer.

          At the age of eight, she began her Piano studies with Julliard Graduate and Concert Pianist Joan Lawrence and performed in various local performances, annual recitals, and talent shows (always taking 1st place). A child model, she performed both singing and dancing roles in productions including Fiddler on the Roof and Gypsy (Off-Broadway), as well as filming commercials, modeling for catalogs and JC Penney Fashion Shows. She was a semi-finalist in the Little Miss America.

          Pageant. She performed acting and singing roles in productions under the direction of Actor David Selby. Majoring in Piano Performance at Syracuse University, she minored in Pipe Organ and was a member of the Syracuse University Chorale, performing works including Handel's Hallelujah Chorus from Oratorio 'Messiah' with the Syracuse Symphony Orchestra. Rosalie danced professionally with the Westchester Theatre Dance Performing Troupe, Inc. in Musicals and Operas including productions at the Tarrytown Opera House, with the Chappaqua Drama Group, and for the Delegates and Staff of the United Nations. Rosalie directed the Youth Choir at Saint Catherine's Church in Manchester for 6 years and has been teaching piano and dance for over 15 years. Some of her students have gone on to have successful careers as professional dancers and actors including Radio City Music Hall Rockettes in New York City, in the European Touring Company of "Forty Second Street", an appearance on the TV show "Fresh Prince of Bel-Air", an ensemble dancer in the TV movie "Martin", and with the Alberta Ballet.