Executive Team

Trusted Experts in World-Class Education

Dr. Josh Lange

Dr. Josh Lange

Executive Director

Josh (from the USA) is a former Fortune 500 manager, lecturer, and senior education specialist. In addition to a Doctor of Education from University of Exeter and a Management Diploma from Cambridge University, he has over a decade of experience developing student and teacher leadership programmes on three continents, culminating in the 2012 International Teaching Excellence Award conferred by Columbia University and UCL. He plays the 9-string guitar in his leisure time, and his favorite classical work is “Violin Concerto in G Minor” by Bruch.

Stefan Vladar

Stefan Vladar

Director of Music 

Stefan (from Austria) is one of the World’s leading pianists and conducts the Vienna Chamber Orchestra. He has a Professorship at the prestigious University of Music and Performing Arts Vienna and is the youngest winner ever of the International Beethoven Competition. His discography includes more than 30 releases for labels such as harmonia mundi, Sony Classical and Preiser-Records. In 2009 he received the Decoration of Honour in Gold for Services to the Republic of Austria.

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Nadine Lange

Nadine Rebarz

Director of Administration

Nadine (from Germany) has over ten years international experience as a customer services specialist and school administrator, including a position at the prestigious AMADEUS International Music School in Vienna. She loves languages and speaks German, English, French, Spanish, and Japanese. She is passionate about supporting musicians, students, and parents to achieve their dreams. Her favorite classical work is the “Four Seasons” by Vivaldi.