Chief Judge

William Chumley

As a marching member, instructor, consultant, judge, and color guard director, William Chumley has committed over 42 years to the pageantry arts, where his various roles have included: serving on the Board of Directors for the Rocky Mountain Color Guard Association for 30 years; judging worldwide for Drum Corps United Kingdom, Drum Corps Japan, Color Guard Netherlands, Winter Guard International, Bands of America, and Drum Corps International for over 29 years; and training, mentoring, and scheduling judges as president of the Rocky Mountain Judges’ Association. William trains judges and instructors around the world.  As a color guard director and instructor, William has created World Championship teams, established fully functioning non-profit arts organizations, and has consulted and taught in both high school and independent settings.  His passion for success along with creating a collaborative environment are trademarks. William is caption manager for Design Analysis and General Effect for WGI.

Circuit Judges


Danniell Isaac

Danniell entered the marching band/winter guard community in 2001 as a freshman at Arvada High School in Arvada, CO. After high school; he marched one season of The Cavaliers Drum & Bugle corps in 2004. In 2008 he re-entered the community as a teacher of several scholastic programs and an independent winter guard while performing with the Independent Open/World winter guard, Opus X (2009-10, & 2013). Danniell has been a member of the RMCGA board for several years and is currently training to become a new judge in the RMCGA winter guard circuit. 2022 marks Danniell’s twenty-first year since he joined this fantastic community, and he can’t wait to see every group back out on the floor after the craziness of the COVID pandemic!

Jeff has been involved with the marching band and color guard activities since 2006 as a performer, technician, choreographer, designer, director, clinician, and adjudicator. He began judging Colorado winter guards in 2015 and has since expanded to other activities and states. Jeff is passionate about teaching and mentoring young students and instructors; especially helping students continue their involvement in the marching arts after high school through opportunities such as drum corps, instruction, and independent winter guard. Jeff recently completed his Master’s in School Counseling and works as a high school counselor.

Jeff Hargis

Katie Anderson

Katie has been judging for RMCGA for 7 years and just completed her first year judging for WGI as a movement judge. Throughout her life, Katie has had a love for dance and performance. She has been involved in the pageantry arts since 1996 in the various roles of performer, choreographer, and adjudicator. Katie has performed with the Ballet Denver Jr. Company, the Blue Knights Drum and Bugle Corps, Oracle Winter Guard, and the Oracle Performance Ensemble. She has taught color guard with multiple high schools in the Denver metro area including Pomona High School and Legacy High School. Katie earned her Masters in Education from Regis University and has a great passion for working with elementary school students in pursuit of creating life-long learners. She currently resides in Arvada, CO with her husband Luke and their two children.

Michael has been involved in the color guard activity since 2012 in various roles including performer, technician, choreographer, and most recently adjudicator. Early in his color guard career, Michael found mentors within the dance world that helped him refine his technical skills and explore a world of artistic and stylistic choices to individualize his art of movement. He began judging within the RMCGA circuit in the 2019-2020 season in the caption of Movement. Michael is excited to share his knowledge of the movement caption with students and instructors alike to help each choreographer find and develop a unique artistic voice within the competition setting. Michael recently completed his Bachelor of Science in Nursing degree and looks forward to a new career in critical care nursing.

Michael Sulpizio

Phaidra Reed

Phaidra has been involved in marching arts since 1995 as a performer, director, technician, choreographer, clinician, and adjudicator. She began making the transition into judging local winter guards in 2016 in the equipment caption and looks forward to expanding into the movement and general effect captions. Phaidra has worked with a variety of high school and independent guards over the years, ranging from beginner to world class. She is passionate about all performing arts with a BA in Acting and loves teaching and mentoring young students and instructors to help grow the sport in Colorado. Though she moonlights as the Event Director at DICK’S Sporting Goods Park working in sports and entertainment, she enjoys staying involved with color guard and winter guard activity.

Shirl Chumley has been involved in color guard, marching band, and drum & bugle corps pageantry arts, either through marching, instructing, or adjudicating since she was a freshman in high school. We won’t say when those high school years were, but suffice it to say that she has been involved in the pageantry arts for 35+ years. Shirl has and continues to judge the visual captions for winter guard, drum & bugle corps, and marching band competitions across the country and The Netherlands.

Shirl Chumley