Dimitrios Icossipentarhos



Associate Director of Bands

Ellen Chmura

Dimitrios Icossipentarhos is the Director of Bands/Fine Arts Coordinator for J.J. Pearce High School in Richardson, Texas.  His responsibilities include conducting the Wind Ensemble and the Mighty Mustang Band, as well as overseeing all aspects of the Pearce Area Cluster Fine Arts Team.

Originally from Austin, Mr. Icossipentarhos holds Bachelor of Music and Master of Music Education degrees from Texas Tech University. During his time at Texas Tech, he performed with numerous ensembles, studied saxophone with David Dees, conducting with Dr. Sarah McKoin, and had his educational philosophy shaped through continuing interactions and coursework with Dr. Keith Dye.


Prior to his appointment at J.J. Pearce, Mr. Icossipentarhos served as Associate Director of Bands at Hebron High School in Lewisville ISD, Liberty High School in Frisco ISD, and Curtistene S. McCowan Middle School in DeSoto ISD. Bands under his direction have consistently received Sweepstakes Awards in University Interscholastic League competition for Concert and Sight-Reading performances. Mr. Icossipentarhos’ professional affiliations include the Texas Music Educators Association, the Texas Bandmasters Association, Phi Kappa Lambda, and Kappa Kappa Psi. Dimitrios resides in Frisco with his wife, Amy, who is also extensively involved in music education serving as the Director of Bands at Westwood Junior High in Richardson ISD.

Ellen Chmura is in her first year serving as the Associate Director of Bands at J.J. Pearce High School. Previously Ms. Chmura was the Assistant Band Director at her alma mater, Marian Catholic High School in Chicago Heights, Illinois. Before that, she was the Assistant Band Director at Cain Middle School in Rockwall, Texas. Ms. Chmura graduated from the University of North Texas in 2018 with a degree in Music Education. During her time at UNT, she studied horn with Bill Scharnberg and was a member of the Wind Symphony under Eugene Corporon and the Symphonic Band under Dennis Fisher. She was also a drum major of the UNT Green Brigade Marching Band, and conducted the halftime show at the 2016 Heart of Dallas Bowl.

Ms. Chmura spent four summers as a performer with Drum Corps International—three with the Phantom Regiment from Rockford, Illinois—and aged out with the 19-time World Champion Concord Blue Devils in 2017. Ms. Chmura is a faculty member of Music for All’s Drum Major Institute at the Summer Symposium, where she works with over 600 students and presents leadership and conducting seminars. Her professional affiliations include Texas Music Educators Association and Sigma Alpha Iota International Music Fraternity. In her free time, Ms. Chmura loves to go on long walks with her dog Rocket!


Assistant Band Director

Katie Harrison


Assistant Band Director

Tyler Harris

Katie Harrison is a recent graduate from Sam Houston State University where she earned her Bachelor of Music Education degree with certification in EC-12 instrumental music. She studied under Dr. Henry Howey on euphonium.  At Sam Houston State University, Mrs. Harrison was a member of the Wind Ensemble under the direction of Dr. Matthew McInturf, Bearkat Marching Band, SHSU Tuba/Euphonium Ensemble, and the SHSU Tuba Quartet. She has performed at the American Bandmasters Association Convention and has participated in intercollegiate bands such as the College Band Directors National Association band and the Kappa Kappa Psi and Tau Beta Sigma National Intercollegiate band. 


Mrs. Harrison has served in numerous leadership positions while at Sam Houston State University. These include the Wind Ensemble Librarian, Bearkat Marching Band Student Assistant of two years, and as the Tau Beta Sigma Vice President, Recording Secretary, and Service Coordinator. Mrs. Harrison’s professional affiliations include Texas Music Educators Association and Tau Beta Sigma National Honorary Band Sorority. Katie is originally from McKinney, Texas and now lives in Garland, Texas with her husband, Alex. He is a middle school band director in Garland ISD. 

Tyler Harris is a recent graduate from Texas Tech University where he received his Bachelor of Music Education degree and studied Euphonium with Dr. Kevin Wass. At Texas Tech, Mr. Harris was a member of the Symphonic Band, Goin’ Band, and TTU Tuba and Euphonium Ensemble, performing at venues such as TMEA, CBDNA, and ITEC. Mr. Harris was also a guest performer, bass trumpeter, for a TTU National Trumpet Competition ensemble. During his last two years, Mr. Harris served as the Euphonium section leader for the Goin’ Band from Raiderland.


Outside of Texas Tech, Mr. Harris spent three summers performing in Drum Corps International. In 2016 he marched with the Troopers and in 2018 and 2019 he was a member with the Crossmen. Mr. Harris’s professional affiliations include Texas Music Educators Association and the International Tuba Euphonium Association

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Cameron Zawadzki

Director of Percussion studies

Cameron Zawadzki is a recent graduate from Texas A&M in Commerce where he earned his Bachelor of Music Performance. At TAMUC he studied under Dr. Brian Zator, Sandi Rennick, Kent Hillman, and Cory Doran. During his time at the university he was able to perform with the Pride Marching Band, Percussion Ensembles, Wind Ensemble, Jazz Ensemble, and Panamation Steel Drum Ensemble.


Mr. Zawadzki participated in numerous extra curriculars and competitions throughout his time at Texas A&M in Commerce. In 2017, he placed first in the P.A.S.I.C. Collegiate marimba competition. In 2018, he marched with the Santa Clara Vanguard and won the DCI World Championship as well as the Fred Sanford high percussion award. In 2019, he won the TAMUC Concerto Competition and got to play Gillingham’s Concerto No.2 for Marimba and Wind Ensemble with the TAMUC Wind Ensemble.


Amanda Harrison

Guard Director

Amanda Harrison is currently twenty-nine years old and resides with her husband in Oak Cliff, Texas. Her colorguard journey started at Flower Mound High School. During her junior year of high school in 2008, she marched with The Phantom Regiment Drum and Bugle Corp, and was the youngest member of the corp. Regiment went on to win the DCI World Class Championships that year. The following year she went on to march with Crossmen in and then ending her DCI career with The Santa Clara Vanguard from 2010-2012. After High School and finishing her DCI career she began teaching colorguard around the DFW area. She was the Assistant Director at Highland Park Highschool and helped lead them to placing second place in 5A UIL Final State Competition and NTCA grand champions.

This is her first year with Pearce and is looking forward to the future with this amazing program!