Thunder Staff

Dale Hallerberg - Thunder Director

Dale Hallerberg

Dale marched multi-tenor and marimba with the Cavaliers from 1977 to 1980. He also played snare in the University of Illinois drumline for 5 seasons - which including winning the first indoor drumline competition ever held. Dale taught the Cavaliers bassline for 5 seasons and was a DCI judge for 1 year, before taking a long break to raise two exceptional daughters with his wife Brenda. More recently he has played for the Chicago Bulls, Chicago Bears, and the Crystal Lake Strikers. During the workday, Dale is a Medical Safety Engineer with BSI - British Stardards Institution.

Joe Roach - Thunder Senior Advisor

Joe Roach

The Cavaliers -- front ensemble
The Cavaliers front ensemble instructor
Director of Green Thunder Percussion
Director of Cavaliers Indoor Percussion
Director of The Cavaliers Drum and Bugle Corps

Khadijah Kellogg - Assistant Director / Social Media Manager

Khadijah Kellogg

Khadijah earned her Bachelor of Arts in Marketing and Public Relations from Carthage College. Since 2012, Khadijah has volunteered with the Cavalier’s Drum & Bugle Corps. She currently resides in the Chicagoland area working for the American Bar Association.

Bryan Jameson - Education Coordinator

Bryan Jameson

Bryan studied Music Education at VanderCook College of Music. As a performer, Bryan was a marimba player with Cavaliers Indoor Percussion. He is currently studying Sports Broadcasting and Audio Engineering at Columbia College.

Jeff Jennings- Program Coordinator

Jeff Jennings

Cavaliers Indoor Percussion -- Snare
Chicago Bears Drumline -- Snare
Chicago Bulls Stampede Drumline -- Snare
Student at George Williams College of Aurora University

Dr. Brenda Brak - Medical Advisor

Brenda Brak

Dr. Brak is a Board Certified Family Physician in private practice in Barrington, Illinois, where she is co-owner of a primary care medical practice. Dr. Brak graduated with a BS in biology from the University of Illinois Champaign/Urbana, and received her MD from the College of Medicine at University of Illinois Chicago. She completed her family medicine residency at Lutheran General Hospital in Park Ridge, Illinois. She is on the medical staff of Advocate Good Shepherd Hospital in Barrington, Illinois. She currently serves on Good Shepherd Hospital's Governing Council, and has chaired the hospital's Family Medicine Department. She has also served on the Medical Executive Committee and on the Barrington High School Fine Arts Booster Board. She is a member of the Lake County Medical Society and the American Academy of Family Physicians. Dr. Brak has been a member of the Cavaliers Medical Group since 2002. She has been lead physician for the Cavalier Medical group since 2013. She works closely with corps nurse Helen Turner and other volunteer medical professionals to provide medical care and advice for the marching members throughout their drum corps experience.