Our Staff

Dan Goeller Founder, Executive Director, Teaching Artist

Dan is a composer whose colorful orchestrations and accessible compositional style have delighted audiences and performers around the world. His numerous arrangements, compositions and orchestrations have been widely-published. Dan has also worked on numerous recordings and several tours with artists including Amy Grant, Vince Gill, Michael W. Smith, CeCe Winans, Nickel Creek, Larnelle Harris and others. Dan’s music, often under his own direction as a conductor, has been performed by numerous orchestras and choruses including members of the National Symphony, St. Louis Symphony, Nashville Symphony and many others. Dan’s compositions have been programmed on several nationally-televised concerts, and have also been featured in both regional and national radio and television broadcast advertisements. Dan also maintains a busy schedule as a clinician for national music conferences as well as presenting multi-media educational programs to schoolchildren.  Dan, his wife Heidi, and their two daughters and son live in Sioux Falls.

Harmony after-school music program in Sioux Falls
Harmony after-school music program in Sioux Falls

Heidi Goeller Founder, Program Director, Teaching Artist

Heidi, originally from Worthington, Minnesota, received her Bachelor’s degree in both Vocal and Violin Performance from the University of Sioux Falls. After college, she moved to Nashville, Tennessee where she enjoyed a successful career as a private studio teacher instructing 50+ students weekly. She also performed as a studio vocalist and violinist on recording sessions. After her second daughter was born in 2005, Heidi began shifting her musical emphasis from teaching and performing to co-writing and coproducing musical projects with her husband Dan. Heidi is happy to be living in Sioux Falls once again where she home schools her two daughters and son.

Kortney Temple Teaching Artist

Kortney began playing music with her siblings, growing up on a farm in Nisland, South Dakota. She started teaching violin and piano lessons as a teenager and quickly realized her passion for helping others discover music. In pursuit of her passion, Kortney graduated summa cum laude from the University of South Dakota in 2016 with a degree in Music Education. In addition to her work with Harmony South Dakota, Kortney also teaches private music lessons and serves as Orchestra Chair for the South Dakota Music Education Association.

Kortney previously taught 4-6 grade Orchestra with the Sioux Falls Catholic Schools, where she raised the program to a new level of excellence and advanced opportunities for Orchestra students through creating chamber ensembles and summer camp. In her free time, Kortney enjoys spending time outdoors, watching reruns of The Office, and embarking on road trips with her husband, Max.

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Katie VanZanten Site Manager / Harmonics Teaching Assistant

Katie volunteered at Harmony from the summer of 2017 to the summer of 2019 before becoming Site Manager and the Harmonics Teaching Assistant.  Originally from Fargo, ND, Katie now lives in Sioux Falls with her husband, Andy.  Previous to Harmony, Katie held positions at Child’s Voice, Lutheran Social Services, and Children’s Inn. 

Andrew Travers Teaching Artist

Andrew grew up in Sioux Falls and began studying music in the fifth grade following a performance of Jaws by a visiting orchestra recruiter. What followed, with the help of lessons, camps, and competitions, was a growing love of music, performance and teaching. After a magical summer attending the Interolochen Arts Camp and auditioning into he World Youth Symphony Orchestra, he attended college at the University of Connecticut and studied cello performance with Mary Lou Rylands. After graduation he moved to Las Vegas, where he taught privately and in the CCSD, and played extensively, including with the Las Vegas Philharmonic and in The Lion King. Also during his time in Las Vegas, Andrew invested himself supporting Viola Fest and Bass Workshop, creating and running Cello Day, and teaching in the inner-city violin program FAYM. In 2010, he returned home to Sioux Falls with his wife, Maria, who teaches Yoga; his son Liam (5). Maria and Andrew had their second son, Lysander, in October of 2013.  Andrew teaches private cello students, and orchestra at Sioux Falls schools: Axtell Park Middle School, Hawthorne and Renberg elementaries. He also plays in the Sioux City Symphony Orchestra, is the principal cellist in the Northwest Iowa Symphony Orchestra, and plays occasionally with the South Dakota Symphony Orchestra.

Harmony after-school music program in Sioux Falls
Harmony after-school music program in Sioux Falls