Violinist Eleanor Bartsch is an active orchestral and chamber musician based in Chicago. She is currently Concertmaster of the Dubuque Symphony Orchestra, Associate Concertmaster of the Elgin Symphony Orchestra, and a performing member of the Chicago Philharmonic and Joffrey Ballet Orchestra, where she frequently serves as Concertmaster, Associate Concertmaster, and Principal Second Violin. Ms. Bartsch also performs regularly with the Ravinia Festival Orchestra, the Grant Park Festival Orchestra, the Milwaukee, Nashville and Cincinnati Symphonies, and the Minnesota Orchestra. 

As a founding member of Madison's Willy Street Chamber Players, Eleanor maintains a passion for chamber music and community. She is also a member of The Chicago Ensemble, the Elgin-based Apas Piano Trio, and has appeared recently with both the Grammy-nominated Spektral Quartet and multiple Grammy award winning ensemble Eighth Blackbird. 

Eleanor holds Bachelors and Masters Degrees from the University of Wisconsin-Madison where she was a Paul Collins Distinguished Graduate Fellow and studied with David Perry and Felicia Moye. During her studies she was a member of the Madison Symphony and the Wisconsin Chamber Orchestra.

Having grown up in a highly musical family, violinist Francois Henkins distinguished himself at an early age by winning national chamber music and solo competitions in his native South Africa, and performing as guest soloist with the Johannesburg and Free State Symphonies. He came to the USA with a full scholarship to the Interlochen Arts Academy, and continued his studies under Chicago Symphony Orchestra concertmaster Robert Chen, Los Angeles Philharmonic associate concertmaster Nathan Cole, and Renata Artman Knific. Francois has since traveled the world to appear at chamber music festivals such as the Musicorda Chamber Music Festival; the Stellenbosch National Chamber Music Competition, at which he was awarded a prize for his notable performance; and the Cleveland Orchestra's Kent/Blossom Music Festival, where he was awarded the Josef Gingold Award for his distinguished performance in chamber music. An experienced orchestral performer, Francois has worked under renowned conductors such as Bernard Haitink and Pierre Boulez in the Civic Orchestra of Chicago, the Chicago Sinfonietta, and the Johannesburg Philharmonic. Francois has a deep love of teaching and is currently Adjunct Professor at Elmhurst University.

Violist Benjamin Weber is currently Principal Viola with the Rockford Symphony Orchestra and has performed with many of the orchestras around the Chicago area. He has performed recently with Barbra Streisand, Todd Rundgren, and Howard Levy. An avid chamber musician, he was a founding member of Crossing Borders Music and has often appeared with the ACM Palomar Ensemble as a guest. As a string educator, he is on the faculty at the Merit School of Music and has led guest clinics at high schools around the Chicago area. He received a Bachelor’s in Music Education from Illinois Wesleyan University in 2004 studying Violin and Viola with Michael Hining, and in 2008 he received a Master’s degree in Viola Performance from the Eastman School of Music where he studied with John Graham and Melissa Matson. He and his wife are proud parents of their young daughter, Mara.

Jean Hatmaker is a founding member of the Kontras Quartet, the internationally acclaimed quartet-in-residence at Western Michigan University, and former artists-in-residence with Chicago classical radio station WFMT. Known for their well-crafted performances, diverse programming, and accessible audience relations, Kontras Quartet has brought their message of inclusivity to concerts across the US, Europe, and Africa. In addition to classical concerts, KQ performs with bluegrass trio the Kruger Brothers, with whom they have appeared at festivals including Telluride, MerleFest, and IBMA Wide Open Bluegrass, as well as the Late Show with David Letterman. Kontras Quartet has released three commercial albums: Lucid Dreamer and Roan Mountain Suite with the Kruger Brothers, on Double Time Records; and Origins, on MSR Records.  

Ms. Hatmaker is a passionate teacher, holding faculty positions at Oak Park String Academy, Lake Forest College and Elmhurst College, where she also founded the Elmhurst College Cello Choir. With Kontras Quartet, she is in-residence at Western Michigan University as a chamber ensemble coach and performance lecturer. Combining her passions for music and dance, Ms. Hatmaker has worked on numerous collaborations with dance companies, including Hubbard Street Dance Company, Youth Empowerment Performance Project, the Dupage Dance Academy, and the NewArt School of Ballet, for which she arranged and performed original productions of The Nutcracker and Alice In Wonderland, with the Kontras Quartet.  

Ms. Hatmaker has an extensive background of orchestral playing, having been principal cellist of the Civic Orchestra of Chicago, Western Piedmont Symphony, and other regional orchestras throughout the Midwest. She received both a Bachelor (with High Distinction) and Master of Music degrees in Cello Performance from Indiana University, in the studios of Helga Winold and Janos Starker. She plays on a European cello of unknown provenance circa 1880, and uses a Hill bow.