Mark Henderson grew up in Sapulpa, OK and attended the University of Arkansas where he earned a Bachelors of Music in Education and Composition. He has been a band director for the past 16 years, spending 12 years in Perry, OK and 4 years in Glenpool, OK. Throughout his time as an educator, his bands and winter guards have consistently excelled, earning numerous Superior ratings and state championships. Mark has been writing drill and designing marching shows for his and other ensembles throughout his entire teaching career. He is excited to focus on helping other schools achieve the same level of success his bands and winter guards have achieved.

Sydney Johnston Lacy is from Sapulpa, OK and graduated from the University of Tulsa with a Bachelor of Fine Arts. She’s been teaching color guard for the past six years. Since then, she’s worked with several programs, spending the last three years at Glenpool, OK, where the winter guard earned first place at State Championship in 2023 and was the runner up in 2025. She currently works as the assistant colorguard instructor in Bixby, OK. She is excited to continue sharing her experience, connecting with new teams, and helping other programs grow and succeed.