Stefanie Jacob, pianist, made her solo debut with the Boston Pops at age 17 and her Carnegie Recital Hall debut in 1984. An avid chamber musician, she was twice awarded second prize at the Fischoff National Chamber Music Competition and was awarded Indiana University's Leo Weiner Prize for Chamber Music. Ms. Jacob has performed as soloist with the Milwaukee Symphony, the Milwaukee Chamber Orchestra, and the Waukesha Symphony, and has appeared as a collaborating artist on Milwaukee's Artist Series at the Pabst and WFMT-Chicago's nationally broadcast Dame Myra Hess Series. She has recorded for the Arundax, CRI, Fleur de Son, and the Wisconsin Conservatory of Music labels. A graduate of Harvard and Indiana Universities, Ms. Jacob taught at the University of Tampa from 1985 to 1987, and since then at the Wisconsin Conservatory of Music. A founding member of the Prometheus Trio, she also performs as the Duo Coriolan with husband Scott, and as the Duo Cosi with violinist Susan Waterbury.

Timothy Klabunde, violinist, has been a member of the Milwaukee Symphony Orchestra since 1980 and has performed concertos with the Manitowoc Symphony, the Milwaukee Symphony Orchestra, and the Milwaukee Chamber Orchestra. He studied with Fine Arts Quartet members Leonard Sorkin, Abram Loft, Bernard Zaslav and George Sopkin at the University of Wisconsin, Milwaukee.  Mr. Klabunde is a member of the Prometheus Trio at the Wisconsin Conservatory of Music and is an adjunct violin instructor and member of the Clarus Trio at Cardinal Stritch University.  In addition, he has performed live on WFMT Chicago and both Wisconsin and National Public Radio.  He also performs at the Washington Island Music Festival. 

Scott Tisdel, Associate Principal Cellist of the Milwaukee Symphony, has also served as Principal Cellist of the Milwaukee Chamber Orchestra since his arrival in Milwaukee in 1987, and has appeared as soloist with both ensembles, as well as with the Waukesha Symphony and the Wisconsin Wind Orchestra. Prior to his arrival in Milwaukee, Mr. Tisdel had been Principal Cello of the Florida Orchestra in Tampa and a member of both the Oakland and San Jose Symphony Orchestras in California. In addition to being the founding cellist of the Prometheus Trio, he was a founding member of the Conservatory's Paganini Trio and of the Strings in the Mountains Chamber Music Festival in Steamboat Springs, Colorado. Mr. Tisdel has recorded for Arundax, CRI, Fleur de Son, the Wisconsin Conservatory, and Oris Records.