Valencia, Scottish National Orchestra, BBC Philharmonic, National Orchestra of Belgium, Qatar Philharmonic, and Orchestre de la Suisse Romande. In North America, Pehlivanian has conducted the Baltimore, Houston, Cincinnati, Indianapolis, St.Paul, Rochester, Buffalo, Pacific, Honolulu, Puerto Rico as well as all the major Canadian Orchestras including Montreal, Toronto, Vancouver and Ottawa. Elsewhere, he has worked with the Russian National Orchestra, the Mariinsky Theatre, Russian National Orchestra, Moscow Philharmonic, Moscow Radio and Television Orchestra, Sydney, Perth and Brisbane Orchestras, Japan Virtuoso Symphony, the Malaysian, Hong Kong, Shanghai Philharmonic Orchestra, and a historical invitation as the first Armenian origin artist to lead the Turkish Presidential Symphony Orchestra in Ankara. He has collaborated with world class soloists such as Leonidas Kavakos, Vadim Repin, Joshua Bell, Janine Jansen, Gidon Kremer, Gil Shaham, Sarah Chang, Jean Yves Thibaudet, Emanuel Ax, Arcadi Volodos, Andre Watts, Mischa Maisky, Lynn Harell, Maurice Andre, Hakan Hardenberger, Evelyn Glennie, Ferrucio Furlanetto, Mirella Freni, Ruggero Raimondi, Leo Nucci, Dmitry Hrovstovsky, Leona Mitchel, Denyce Graves, Mariana Lipovsek, Bernarda Fink, and Vladimir Galuzin. Very much at home in the operatic world as in the symphonic, Pehlivanian is regularly invited in prestigious opera houses around the world. He has led critically acclaimed performances of titles such as La Traviata, the Netherlands premier of "Riders to the Sea" of Vaughan Williams, Poulenc's "La Voix Humaine" at the Cite de la Musique in Paris, "Tosca" with the Theatre de Bordeaux, his Italian Lyrical debut with "Otello" in the San Carlo Opera of Napoli, which led to numerous productions including "Cavalleria Rusticana", "Gianni Schicchi" and "La Damnation de Faust", "Pique Dame" and "Andrea Chenier" with the Cagliari Opera House in Sardenia, "La Damnation de Faust" in the Teatro Regio di Parma for the Verdi Festival, continuous numerous productions with the New Israeli Opera House including, "Barbiere di Siviglia", "Ernani" and "Jenufa", the world premiere of " Le Jour des Meurtres de Hamlet" by Thilloy and recently a new production of "Boris Godunov" at Teatro di Massimo di Palermo. Mto. Pehlivanian also gave the Opera Premiere of a new production, "Sette Storie per Lasciare il Mondo", composed by Marco Betta and directed by Roberto Ando, at the Teatro Massimo de Palermo. Pehlivanian has conducted in many important festivals including the closing concert of the White Nights Festival in St. Petersburg, Aix en Provence, Maggio Musicale Fiorentino, Ravenna, Ravello, Aspen, Ljubljana, Jeuness Musicale Vienna, Parma Verdi, Grenada, San Sebastien, Santander,