Olga Ranzenhofer graduated with an Artist Diploma from the University of Cincinnati after studies with the renowned professor Dorothy DeLay and members of the LaSalle String Quartet.
Principal second violin of the Orchestre Métropolitain from 1989 to 2001, Olga Ranzenhofer founded in 1997 the Molinari String Quartet.
Olga Ranzenhofer was concertmaster of the Société de musique contemporaine du Québec from 1994 to 2004 and held the same position with the Montreal Chamber Orchestra from 1987 to 1995.
She has participated in many concert tours and recitals, television and radio broadcasts and compact disc recordings in Canada, the United States, Europe and Asia. She was also a member of the Morency String Quartet from 1987 to 1997.
Olga Ranzenhofer is recognized as a leader in contemporary music in Québec and has commissioned many works for violin and piano and for string quartet. In November 2000, she was awarded the Opus Prize of Personnality of the Year by the Quebec Music Council. In the fall of 2009, she was named Canadian Music Centre Ambassador in recognition of her exceptionnal contribution to the Canadian music scene over the years.