Judges for Loudoun Invitational

Kat Robinson

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Kat Robinson is an active freelance horn player and music educator residing in the Washington D.C. metro area. Originally from Los Angeles, she is currently pursuing a Master of Music in Horn Performance at the University of Maryland. She is a Graduate Assistant for the Mighty Sound of Maryland, University of Maryland’s Marching Band. She graduated Magna Cum Laude from California State University Long Beach, Bob Cole Conservatory, with Bachelors of Music in Horn Performance and Instrumental Music Education degrees. While in attendance, she was awarded a Bob Cole Tuition Scholarship and was invited into both Phi Kappa Phi and Pi Kappa Lambda honor societies. 

Within the past year, Kat Robinson premiered Michael Poast’s Color Music Concerto for Horn and Orchestra, with TEMPO, UMD’s student-led new music ensemble. Fascinated by the relationship between light waves and sound waves, she performed a recital, Colorphoria, featuring music influenced by colors. She also helped form Hornucopia, an all-female horn quartet, with three other UMD graduate students. Hornucopia recently performed in the 51st International Horn Symposium in Ghent, Belgium.

Shortly after graduating from high school, Kat joined the U.S. Army Reserves to serve in the 300th Army Band as an Army Musician. She currently performs in the 300th Army Band’s Brass Quintet, Ceremonial Band, and Concert Band. She serves as a Non-Commissioned Officer in the unit’s Operations shop where she coordinates logistics for the band’s many performances. Throughout her nine years of service, she has given over 250 public performances in parades, military ceremonies, and community events across the U.S. Southwestern region. 

Passionate about the marching arts, Kat joined the Velvet Knights Drum and Bugle Corps in 2008 and marched with the Crossmen Drum and Bugle Corps before continuing on to march with Carolina Crown in 2009, 2011 and 2012. As a member of Carolina Crown Drum and Bugle Corps, she earned the Jim Ott Best Brass Award three times (‘09, ‘11- ‘12), the John Brazale Best Visual Performance Award (‘12), and two DCI Championship Silver medals. Most recently, Kat served as the high brass technician for Golden Empire Drum and Bugle Corps, based out of Bakersfield, CA for the 2018 season.
Kat has over seven years of experience teaching marching bands in the Southern California area, including: John F. Kennedy HS, Gahr HS, Long Beach Polytechnic HS, Rancho Buena Vista HS, Poway HS, Woodbridge HS, and Fallbrook HS. She is a founding member of Checkpoint Marching, a professional development network for marching arts educators and training resource for high school and college students auditioning for drum corps. In addition, she also maintains a private studio of middle and high school students.

Paul Fadoul


Paul Fadoul's successful career as a performer, composer, and teacher has deep roots in both the concert and marching percussion community. Since 2003, he has performed in the groundbreaking duo, Lawler + Fadoul with flutist Zara Lawler. Hailed as “a great treat” (Classical WETA, Washington DC), the duo blends classical virtuosity with lively commentary and theatrical flair. In 2013, Lawler + Fadoul released its debut album, Prelude Cocktail, which the music blog, I Care If You Listen called “collaborative artistry at its finest.”  Since forming, Lawler + Fadoul have performed together in many of North America’s most prestigious concert series and venues, including the Kennedy Center, Strathmore, Trinity Wall Street, the Edmonton Recital Society, and McMaster University’s Celebrity Concert Series.

Paul is also a founding member and principal composer/arranger of Dark by Five, the ensemble-in-residence at Canada’s Gros Morne Summer Music Festival in Newfoundland and Labrador. The ensemble expands the boundaries of musical presentation by weaving classical, contemporary, and popular music with theater, poetry, visual art and visual media working with renowned artists such as the celebrated Canadian poet, Don McKay and guitarist Duane Andrews.

A dedicated teacher and educator, Paul has toured with the ensemble Tales & Scales, where he performed 200 shows annually for children and families, including solo performances with the Milwaukee, Buffalo, and Oregon symphonies.  He has taught at the Peabody Institute of the Johns Hopkins University and the George Mason University drumline. He was director and designer of the Chantilly High School Indoor Drumline which, under his leadership, became a two-time medalist at the WGI World Championships. Paul is currently on faculty at The Sunderman Conservatory of Music at Gettysburg College. 

Originally from Fairfax, Virginia, Paul has a Bachelor of Music from George Mason University and a Master of Music from Yale University where he studied with Robert van Sice.

Paul Fadoul proudly endorses Vic Firth sticks and mallets, Pearl/Adams drums and keyboards, and Evans drum heads.

Lindsey Jo Vawter-Leitzke 


Lindsey Jo Vawter-Leitzke grew up in Dayton, Ohio, surrounded by the marching arts.  She attended Miamisburg High School, winning the bronze medal in the  Scholastic World Class twice.  She then went on to spend two summers with the Carolina Crown Drum and Bugle Corps, two seasons with Onyx Independent World Colorguard), and two seasons with Zydeco Colorguard , where she received the silver medal in the Independent Open Class (2007) before they were promoted to World Class the following year.


Lindsey taught the FJM Summer Clinics and the Miamisburg High School Scholastic World Winter Guard before moving to South Carolina to pursue law school.  While in South Carolina, Lindsey taught the University of South Carolina Marching Band, Etude Winterguard, and the Lexington High School Color Guard.  She is currently the Color Guard Director at McGavock High School in Nashville, Tennessee. Since moving to Tennessee, Lindsey has also been judging for circuits across the country, including USBands, SCGC, CWEA, MIA, MEPA, and the Louisiana Mississippi Color Guard and Percussion Circuit.


When Lindsey is not teaching or adjudicating color guard, she is probably hard at work with the State of Tennessee Department of Mental Health and Substance Abuse Services where she is Assistant General Counsel, or spending time with her husband and their two fun-loving puppies.

Kevin Bell

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Kevin Bell has been involved in pageantry for most of his life.  Coming from parents who were both actively involved in the marching activity, Kevin has followed in their footsteps.  Kevin’s involvement in the marching activity has taken on the role of performer, designer and adjudicator over the past 28 years. Currently Kevin lives in Wilkes-Barre, Pennsylvania and is recognized primarily as a visual designer, clinician and adjudicator for some of the most esteemed Winter Guard and Percussion circuits around the country, as well as many State Marching Band Championships. Kevin is also a former WGI Color Guard judge, DCI Visual judge and DCA Visual judge.   

Samuel Ambrose


Samuel Ambrose turns back-row tuba playing into frontline artistry, bringing high-caliber style to performances, outreach, and educational experiences. His sound supports a variety of ensembles, most recently with the Peabody orchestras and wind ensembles, as well as the Eastern Edge Brass Quintet of Baltimore, MD. Ambrose has also performed for the Sunrise Pops Orchestra in Sunrise, FL, as well as freelancing in the area. When he is not performing in the concert hall, Sam takes his talents to senior communities and homeless shelters, providing free educational recital programs.


As an educator, Mr. Ambrose’s teaching ranges from private instruction to master classes, clinics, and ensemble instruction. He currently teaches Instrumental Music at University Park and Hyattsville Elementary Schools, and is also tuba faculty at the Fredericksburg Brass Institute, and on staff with the Bluecoats Drum and Bugle Corps as a visual technician. His previous appointments include visual instruction with the Boston Crusaders, the Oregon Crusaders Drum and Bugle Corps, and many high school and WGI groups in Florida, Maryland, and Illinois.


Sam currently lives just outside of Washington D.C., where he has recently received a Master’s degree in Tuba Performance from The Peabody Institute of the Johns Hopkins University. Sam also holds a Bachelors of Music Education degree from Florida State University. His teachers include David Fedderly and Paul Ebbers.

Bob Thomas


Bob Thomas judges or has judged for Drum Corp International (DCI), Winter Guard International WGI), Drum Corp Midwest, Drum Corp Atlantic, Indiana State Scholastic Music Association (ISMMA), Bands of America (BOA), Drum Corp Europe (DCE), Youth Education in the Arts (YEA), Ohio Judges Association, Florida Federation of Judges, Atlantic Indoor Association (AIA), Pennsylvania Federation of Judges, and Marching in Okayama, Japan, Drum Corp Associates (DCA). In 2008 he judged the World Marching Band Championships in Malaysia. He judged the 2009 Thailand Drum Line Competition. He recently returned from Malaysia where he taught the DCE Judges college for DCE license partner M World Band Championships.

He has been the Director of Education for Drum Corp Europe for the past 15 years. He designed the current scoring system for Drum Corp Asia which is currently being used in 16 countries. He has also been the Director of Education for the Florida Judges Association, the Ohio Judges Association, and the Atlantic Indoor Association. Bob was very instrumental in helping establish the VMBC judging system. 

Chris Martin


Chris Martin has been a percussion arranger, visual designer, instructor and adjudicator for over 20 years. As a graduate of Florida State University, he has been the primary percussion arranger for the FSU Marching Chiefs since 1992. Within the indoor percussion activity, he was a founder of the George Mason University Drumline after guiding several prominent high school programs in Northern Virginia to multiple WGI regional and national medals. Chris has been a member of the United States Air Force Band in Washington DC since 1997, performing across the United States, Europe, Japan and Southwest Asia.

Mike Kirby


Michael Kirby currently lives in Washington DC. He is a former snare line member of the Crossmen, Blue Knights and Brigadiers Drum and Bugle Corps. He is a former instructor of the Univ. at Buffalo and Thomas Jefferson HSST. He is long-time percussion judge for the Atlantic Indoor Association.