Conductor John E. Armstrong is a graduate of Northern Illinois University and started working with the IV Youth Symphony in 1991-2 as assistant conductor. A native to Ottawa, he is a mem
ber of the Monarch Brass and municipal bands in several Illinois communities. He also plays with the Steve Anthony’s Society Orchestra and the Class Act II Big Band. Armstrong was the assistant music teacher at Hall High School from 1980 to 1985 and director of the IVCC Jazz Ensemble from 1983 to 1988. He was assistant band director of LaSalle-Peru High School Band from 1993-1996. John is a member of the International Trumpet Guild and the American Federation of Musicians Local #307.
The Illinois Valley
Youth Symphony Orchestra
Business Manager Delle Vercimak graduated from Western Illinois University with her B. M. in Music Education in 2008 and is Suzuki Certified. Currently she teaches for Maestro & Mi Music Academy, Music Suite 408, and Illinois Valley Community College. She plays with the Manderley Strings chamber ensemble, the Illinois Valley Symphony Orchestra, and is a regular accompanist for services at St. Johns Lutheran Church in Mendota. Delle lives near Mendota and has managed the IVYSO since spring of 2011. 

Conductor Chuanyuan Alex Wang is an active performing violinist and private teacher in Chicago Area. He has served as principle second violin of the Illinois Valley Symphony Orchestra since 2008. He holds a Master's degree and performance certificate in Violin Performance from Northern Illinois University in 2013 and a Bachelor's degree in Violin Performance from Taipei University of the Arts (TNUA) in Taiwan, 2006. Alex performs regularly as a soloist and chamber musician, taking the stage in a variety of recitals and ensembles. As an orchestral musician he has played with orchestras throughout the country and abroad, including NIU philharmonic and TNUA philharmonic. His teaching experience including private violin and viola students of all ages and levels, as well as serving as an instructor at Northern Illinois University (DeKalb, IL).

While studying violin at NIU, Alex has developed an interest conducting, which led to study with the director of NIU philharmonic, Dr. Lucia Matos. Alex is currently a graduate student of Dr. Matos, and he also serves as a director of Chinese Ensemble at NIU. In 2017 he began as a co-conductor at Illinois Valley Youth Symphony Orchestra.