Conductor Boris Gruzin – Mariinsky Theatre Conductor Boris Gruzin (Rus. Борис Грузин). Photo by Jack Devant ballet photography © with kind permission of the Mariinsky Theatre and mr. Yury Fateev, special thanks to Anna Kasatkina and Ekaterina Ordovskaya. Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.