Violinist-dad Greg is a Juilliard grad who has performed as soloist in the United States, Canada, and Asia. He has also performed with the San Francisco Symphony, Opera and Ballet orchestras and as backup artist for Frank Sinatra, Ray Charles, and Tony Bennett among many others. The San Francisco Chronicle has described his playing as "sheer classiness" while The Strad of London has praised his "thrilling virtuoso flair!" Son, Eddy and daughter, Rose are both highly accomplished violinists in their own right, while their sister, Ida, is an award-winning pianist who has taught keyboard since she was 12 years old!

Their numerous appearances in California include performances at Pacific Union College, St. Mary’s College, the Regional Center for the Arts as guest soloists with the Contra Costa Chamber Orchestra, the Sierra Chamber Society, the Northern California Heritage Festival, the Bing Crosby estate in Hillsborough, the Sheraton Palace Hotel in San Francisco and benefit performances for the Coyote Point Museum, the Kavar Orphanage in Armenia, the Monterey Bay School music program in Carmel, etc, etc, etc!

The Mazmanians have been featured on several television news broadcasts and have been profiled in the San Francisco Chronicle, Contra Costa Times and other publications.  Their CD recording entitled "It’s the Mazmanians!" features folk-inspired classics from around the world, including song and dance tunes from their own Armenian heritage.

In addition to his duties as dad and leader of the group, Greg is also a dedicated teacher.  As the rare recipient of the Eminence Credential from the State of California, he directs the music program at Orinda Intermediate School in the family's hometown near San Francisco, conducts the regional Contra Costa Youth Orchestra, and maintains a very active private teaching studio.