Bánk Sáry was born in 1973 in Budapest, Hungary. 
He has got his Composer's and Music Theory Teacher’s diploma in 1999. 
In 1998 he had got a fellowship to Italy and between 1999 and 2001 he was studying at the Giuseppe Verdi Academy of Music in Como.
In the first part of 2002 he spent five months in Edenkoben (Germany) in an Artists' house (called „Herrenhaus“) with the recommendation of Peter Eötvös. 
He was invited to the composer’s seminar of the „International Ensemble Modern Akademie” (IEMA) in Frankfurt. At the final concert in 15 December 2005 his work “Lullaby“ was performed by the Ensemble Modern.
His first composer’s CD has been published in 2007 by Hungaroton.
In 2008 he got Erkel-prize.
He spent three months in Japan (to study the traditional japanese music in 2005) and 4 months in the USA (to study the traditional native american culture in 2011)
Between 2002-2013 he taught music with his father’s musical method at the University of Theatre and Film Arts in Budapest from 2002. He taught in Hungary (Budapest), Germany (Cottbus, Essen, Saarbrücken, Friedrichshafen, Meckenbeuren) Italy (Siena) and Japan (Tokyo, Fukuoka, Mayakonojo).