Teaching, performing and playing chamber music, both in Sweden and abroad has been Louis Gosztonyi's full time occupation since 1968 when he got his diploma from Kungliga Musikhogskolan in Stockholm. His Professors were Irene Mannheimer and Gunnar de Frumerie. After finishing the soloist piano studies in Sweden 1971 he continued his studies in France between 1972 and 1974 under the guidance of Professor Pierre Sancan (1943 Prix de Rome winner and Professeur de Piano at Conservatoire National Supérieur de Musique et de Danse in Paris).
During the years Louis Gosztonyi has also been a In 2006 Louis Gosztonyi was awarded The Mai von Rosen Prize by The Royal Swedish Academy of Music.
"Louis Gosztonyi has been working with children and young people in the tradition of piano playing for 35 years. Louis Gosztonyi represents also a new way of thinking in his Piano School, where he with elements of humour and originality shows a different entrance to piano playing". After his retirement as a piano teacher Louis Gosztonyi spends his days composing and practising piano. He is now teaching piano on a private basis.