Benjamin Matthew Glassberg-Frost (né Glassberg, born 1994, London) is a British conductor. He is currently Music Director of Opera de Rouen Normandie, Principal Conductor of Glyndebourne on Tour, and Associate Guest Conductor of Orchestre National de Lyon. Glassberg attended Mill Hill School and after completing a Music Degree at the University of Cambridge, he studied conducting with Sian Edwards at the Royal Academy of Music in London. In 2017, aged 23, he won the Grand Prix at the 55th International Besançon Competition for Young Conductors.