The OMF Chamber Players: 

Catch them in action all week during Mahaska Masterworks, May 29th - June 1st.

Lindsey Bordner, a five-time returner to the Oskaloosa Music Festival, began studying the violin at age 7. Born and raised in Minnesota’s Twin Cities, she holds a Bachelor of Music degree from the University of Minnesota, and Master of Music degrees in Violin Performance and Chamber Music from the University of Michigan. Lindsey’s passion for chamber music has led her to endeavors ranging from early music to electronic music. When not appearing with Lyra Baroque Orchestra or one of several Midwest regional orchestras, she can be seen on stage with her award winning Minneapolis-based bluegrass band No Man's String Band. As a founding member of string quartet Thalia Strings, Lindsey has traveled the world performing on cruise ships. A fan of many genres of music and collaboration of all types, she has been known to record with hip-hop artists, compose for singer-songwriters, dabble in jazz, co-perform with dancers, and arrange popular tunes for strings. As a violin teacher as well, Miss Bordner has the privilege of fostering students’ curiosity, dedication, and sense of achievement. She enjoys sharing her training and passion for music with audiences and students while continuing to pursue her love of artistic collaboration in any way she finds spontaneous, exciting, and meaningful.

Oskaloosa native and founder of the Oskaloosa Music Festival Benjamin Burgdorf (Davis) is a newly married man and an artist seeking to expand the possibilities and alter modern perceptions of classical music. This is realized through his work as a performer, teacher, and administrator. Before moving to Boston to deepen his relationship to music at Boston University, he served as Acting Principal Viola of the Des Moines Symphony, member of the Quad City Symphony and performed as a substitute with Orchestra Iowa, South Dakota and Mankato Symphonies. Burgdorf also served as a founding member of Lux String Quartet who served as a Classical Minnesota Public Radio Class-Notes Artist, quartet in residence at Augsburg College Suzuki Talent Education program, Schubert Club "Young Composers Mentorship Program" resident quartet, and as faculty at the OMF String Chamber Music Camp from 2015-18. Burgdorf began his viola studies right here in Oskaloosa at the age of nine with Bruce McLellan. 

Originally from Seoul, South Korea, Yoo-Jung Chang is on faculty at the Grinnell College, St. Ambrose University and Des Moines Symphony Academy. In addition to teaching career, Chang is a member of the Quad City Symphony Orchestra.

Chang featured as a soloist with the Antelope Valley Symphony Orchestra as the second prize of the Gail Newby Concerto Competition. She has won an array of awards in competitions around the world, including, the Nan-Pa Music Competition, Korean Brahms Association Competition, Seoul Baroque Chamber Orchestra Competition, Ewah Womans University Chamber Competition, and Pasadena SAI Music Scholarship Competition. As an active orchestra player, she has performed with various ensembles such as Chicago Civic Orchestra (IL), International Chamber Soloists Ensemble (NY), Ohio Light Opera Orchestra (OH), YMF Debut Orchestra (CA), and AIMS Festival Orchestra (Graz, Austria). Chang has served on the faculties of the Central College(IA), Augustana College(IL) and International Cello Institute(MN).

A native of Charlotte, LaTannia Ellerbe endeavors to share the love of Christ through music. She has performed in the United States, Singapore, Bermuda, and Cuba.


LaTannia has participated in numerous festivals including Brevard Music Festival, Oskaloosa Music Festival, Medomak Conductors Retreat, Meadowmount School of Music, and the Colour of Music Festival. As an avid performer of alternative styles, she has been a member of the Bermuda School of Music Faculty Jazz Quintet and Charanga Tropical. She can be heard on albums by Tonia Hughes-Kendrick, Charanga Tropical, and Sounds of Blackness.


As a faculty member of the Bermuda School of Music, Dr. Ellerbe teaches more than thirty private students, conducts two string orchestras, and serves as coordinator of the Suzuki Strings department. Her students have earned high marks in both the ABRSM (UK) and RCM (Canada) exams, won several awards, and have performed locally and internationally.


LaTannia earned a Doctorate of Musical Arts from the University of Minnesota under the guidance of Sally O’Reilly.  She received her Master of Music from the University of North Carolina, Greensboro, and her Bachelor of Music from Vanderbilt University as a Chancellor’s Scholar.

Ernesto Estigarribia is a doctoral candidate in orchestral conducting at the University of Minnesota studying with Mark Russell Smith. He is co-director of Campus Orchestras and is in his first season as Music Director of the Buffalo Community Orchestra. Originally from Asunción, Paraguay, Ernesto has performed extensively in North and South America, the Caribbean, and Europe both as a violist and conductor.

Julia Floberg is a cellist and singer-songwriter from Minneapolis, MN. She received formal classical training on the cello at Dartmouth College, Boston University, and various summer festivals around the U.S. She founded the Delphia Cello Quartet in 2018, an all-female group that plays original arrangements, and is also a member of Mestifonía, a quartet that plays music from Latin America and the Iberian Peninsula. In addition to writing and performing her own music, Julia frequently performs with Twin Cities singer-songwriters, including Mary Bue and Carlisle Evans Peck.

Aja Majkrzak received her Bachelor's of Music from the University of Minnesota in 2011 under the tutelage of Mark Bjork, and her Master's of Music from Louisiana State University in 2013 studying with Espen Lilleslatten. Since then she has performed with many orchestras in Louisiana and the Midwest. Stemming from a desire to perform orchestral music more frequently in the Twin Cities, Aja is the founder and CEO of the Twin Cities Symphony.


Orchestral playing is the focus of her career but Aja has also performed with 2 Cellos, Foreigner, Harry Connick, Jr., Kygo, the Transiberian Orchestra and the Latin jazz group Charanga Tropical. In June 2015 she traveled to Havana, Cuba with the group to become the first band from the United States to participate in the International Danzon Festival.


If she is not making music you can find Aja with her two cats, Dexter and Cindy Lou Who, cooking vegetarian and vegan meals, and attempting to keep her plants alive.

Jesse Nummelin is a cellist from Minneapolis, MN. He started playing cello at the age of three at the Aber Suzuki Center for the Arts in Stevens Point, WI. He has a Bachelors of Music from the University of Stevens Point, WI, and a Masters of Music from Arizona State University where he served as cello Teaching Assistant to Professor Thomas Landschoot.

Jesse has played with numerous community and professional orchestras including the Phoenix Symphony, Central Wisconsin Symphony, Scottsdale Arts Orchestra, Tucson Pops, and the Tucson Symphony. He has also performed with many notable artists including: Lang Lang, Pinchas Zukerman, Anne Akiko Meyers, Amit Peled, Andre Watts, the Trans-Siberian Orchestra, Curtis Stigers, the Juilliard String Quartet, and John Williams. Jesse's teachers include Thomas Landschoot, Lawrence Leviton, Tim Mutschlecner, John Greiner, Susan Bender, and Allison Eldredge.

Sam Rudy has become a staple in the Midwest classical music scene as a performer and teacher in pursuit of ever deeper understanding of the social, intellectual, and emotional aspects of the music he encounters. Currently a member of the Quad City Symphony, he has held posts with Orchestra Iowa, wcfsymphony, and other regional orchestras, in addition to local collaborations with Macalester, the Oratorio Society, 113 Composers’ Collective, the Twin Cities Gay Men’s Chorus, and Lux String Quartet. Sam maintains an active studio of young violinists and violists in the Twin Cities, sharing his delight in the intricacies of the music of every student. He holds degrees in performance and music theory from the University of Minnesota.

Minneapolis native Ian Snyder recently completed his master's degree in violin performance at the Academy of Performing Arts in Prague and pursued undergraduate studies, summa cum laude, at the University of Minnesota and the Salzburg Mozarteum. He has performed with the Minnesota Orchestra, the Minneapolis Pops Orchestra, and the Academy Chamber Soloists in Prague, and has been engaged for solo recitals across the U.S., Canada, and Europe, as well as chamber music performances on PBS, the cultural TV series Metropol in Prague, and with principal members of the Minnesota Orchestra and SPCO. He is on the faculty at the University of Minnesota at the Bravo Institute for Piano and Strings and is deeply dedicated to his private studio in South Minneapolis.

Sean Dostal, a native of Coralville, Iowa, first picked up the viola at 9 years old, which then sparked a lifelong passion for music. After receiving his Bachelor of Arts degree in viola performance from Luther College and Master of Music degree from the University of Minnesota, Sean became an active part of the music scene in Minneapolis and greater Midwest. Sean currently serves as Principal Viola of the La Crosse Symphony and performs regularly with other ensembles around the Midwest, such as the South Dakota Symphony, Dubuque Symphony, Orchestra Iowa, and his string quartet, the Kingsley Chamber Players. In addition to playing the viola, Sean enjoys a diverse musical career working as Personnel Manager and Music Librarian of the La Crosse Symphony and teaching violin and viola lessons. In his spare time Sean enjoys playing the piano and arranging music for string quartet.

Brett Lewis resides in the Upper Midwest as a freelance artist and teacher.  He was raised in Fargo, ND, by his parents Donna and Craig and was formally trained in Classical Double Bass Performance.  Brett is a double bass tutor for the bass students at Catalyst Circle Rock on Chicago’s West Side and a veritable low-end handyman serving as a fill-in bassist for a wide range of ensembles.  Locally, Brett has served in the bass sections of the Quad City and Dubuque Symphonies, in addition to his annual participation in OMF.