He is a member and former president ( 1977-1980 ) of the Association of Musical Artists of Serbia and Honorary Member ( 2013 ) of the International Clarinet Association .
Stefanovic is an honorary member and former president of the Association of Musical Artists of Serbia .
Between 1995 and 2000 she spent performing and studying chamber music at the Marlboro Music Festival in Vermont , and in 1996 she served as an artist and a member of the chamber music mentoring program of The Chamber Music Society of Lincoln Center .