Mr. Guillermo Vaisman, originally from Argentina, studied in the Julián Aguirre Conservatory of Music and the Juan José Castro Conservatory of Music in Buenos Aires, and the School of Arts and Musical Sciences in Universidad Católica Argentina. He continued studies in choir conducting with Antonio Russo and Alberto Balzanelli.
He is a founder member of the Argentine Association of Choir Conductors (ADICORA) and a member of the International Federation for Choral Music (IFCM) since 1998. He founded the choir Cappella Buenos Ayres in 1994 and was its conductor until December 2002.
During the past 20 years, he has conducted more than 400 concerts in Argentina, Italy, Switzerland, Uruguay and the United States. The repertoire included a cappella works from the universal choral literature and traditional folk pieces from Argentina and other South American countries.
At present, he is Director of Music at Zion Lutheran Church (Manhattan, New York City) and Musical Counselor of the Asociación Cappella Buenos Ayres (Argentina). And, since June 2004, he has been the Conductor and Music Director of the United Nations Singers, affiliated with the UN Staff Recreation Council at UN Headquarters, New York.