Graduated from the A. V. Lunacharsky State Institute of Theatrical Arts, Russian Academy of State Service under the President of the Russian Federation. His professional activities are related to a musical theatre: he consistently worked in the K. S. Stanislavsky and V. I. Nemirovich-Danchenko Moscow Musical Theatre, "New Opera" theatre, the Bolshoi theatre, "Helicon-Opera" theatre. Since 2007 — General director of the A. A. Bakhrushin State Central Theatre Museum.
Author, curator and co-curator of large-scale theatre and exhibition projects: "Artists of the Bolshoi Theatre", "Chekhov", "Stone. Scissors. Paper. Exhibition of Dmitry Krymov's Laboratory. The Attempt of the Museum", "Theatre Costume at the Turn of the Century 1990–2015", "Break-through. Russian Theatre and Stage Art of 1870–1930", "Mystery-buff of Aristarkh Lentulov", "Innovative Costume of the XXI Century. New Generation". He initiated such scientific projects as the International conference "Marius Petipa's Ballet Empire: from Rise to Decline", "National portal "Theatre Museums of Russia", the International museum and theatre forum "World Theatre Heritage: Preservation and Representation in the Museum Space", etc. D. Rodionov is the author of numerous publications about the history of the Russian theatre and current problems of theatrical activity.