Staff and Leadership Team
Mr. Chris Kalwa
Director of Bands
Christopher Kalwa is the Director of Bands at Martin County High School (MCHS) in Stuart, Florida, bringing over 16 years of experience in music education to the role. He is a dedicated member of the Florida Music Educators Association, Florida Bandmasters Association, Florida Orchestra Association, and Phi Mu Alpha Sinfonia.Mr. Kalwa's career includes notable positions such as Band Director at St. Joseph’s Catholic School and Assistant Band Director at Jensen Beach High School. He has also directed the Stuart Community Concert Band, showcasing his commitment to both educational and community music programs.Under his leadership, ensembles have achieved high ratings at events like Festival Disney and Music Performance Assessments (MPA). Beyond his school duties, Mr. Kalwa has contributed to the broader music community by conducting workshops and rehearsals with various schools across Florida.At MCHS, Mr. Kalwa continues to inspire students through his passion for music and dedication to excellence, fostering a vibrant and successful band program.
Cisco Hance
Assistant Director
Osman “Cisco” Hance brings over two decades of experience in the marching arts to his role as Assistant Band Director and Battery Arranger at Martin County High School (MCHS). His journey in percussion began in 2003 with the Magic of Orlando Drum and Bugle Corps. He later joined Carolina Crown, where he served as center snare and battery section leader from 2005 to 2007
Cisco's instructional career is equally distinguished. He has been a key figure with Stryke Percussion since 2008, contributing to their success in WGI competitions, including multiple medal-winning performances . His expertise has also benefited several high school programs in Florida, such as Park Vista High School and Jupiter High School, where he has served as Percussion Director and Arranger.
In the drum corps arena, Cisco has held prominent roles with The Academy Drum and Bugle Corps, including Percussion Coordinator and Caption Head
Returning to Martin County High School, where his teaching career began, Cisco is dedicated to fostering musical excellence and discipline among students. His extensive experience and passion for percussion make him a valuable asset to the MCHS band program.
Sarah Hobson
Visual Head
Sarah Hobson is the Visual Head for the Martin County High School Tiger Regiment, where she has led the visual program with energy and expertise since 2015. A former trumpet player herself, Sarah brings a unique musician’s perspective to the marching arts, ensuring that visual elements are seamlessly integrated with musical excellence.
She is a graduate of the University of Nebraska at Omaha, where she studied with a focus on music and education. Her experience as a performer and educator allows her to connect with students both on and off the field, fostering strong fundamentals, posture, discipline, and field presence.
With nearly a decade of experience in visual direction, Sarah is known for her creative vision, high standards, and ability to motivate students to achieve their personal best. Her leadership has helped shape the Tiger Regiment into a polished and dynamic ensemble that consistently impresses in both performance and competition.
Pricilla Szollosy
Color Guard Instructor
Pricilla Szollosy serves as the Color Guard Instructor for the Tiger Regiment at Martin County High School (MCHS). Stepping into her role with Martin County in the 2023–2024 season, she quickly made a significant impact—under her guidance, the MCHS Color Guard earned first place in the Scholastic AAA class at the SFWGA premiere competition held at Hialeah Gardens High School.
Mrs. Szollosy brings both expertise and enthusiasm to the Tiger Regiment, playing a key role in shaping a winning culture and inspiring students to excel in both performance and teamwork. Her leadership in the visual program continues to elevate the spirit and success of the MCHS color guard.
Sean McNulty
Percussion Head
Sean McNulty is a vital part of the percussion leadership team for the Tiger Regiment at Martin County High School (MCHS). Originally from Rochester, New York, Sean brings a blend of northern roots and southern dedication to his work with the ensemble.
He studied History and Political Science at the University of Central Florida (UCF), where he developed strong skills in critical thinking, leadership, and communication—traits that now shape his teaching style and rapport with students.
Sean is known for his structured yet approachable method of instruction, helping percussionists reach new heights both musically and personally. His steady presence and commitment to the Tiger Regiment’s success have made him a valued mentor and role model within the program.
Riley Jorgensen
front ensemble head
Riley Jorgensen serves as the Front Ensemble Head for the Tiger Regiment percussion program at Martin County High School (MCHS). A proud graduate of Florida International University, Riley has quickly become a cornerstone of the percussion staff in Martin County. He currently contributes to both Jupiter High School and MCHS programs, sharing his expertise with students across the district and strengthening visual and ensemble percussion education in the area. not his current role, Riley held the position of Battery Caption Head for West Broward’s indoor percussion ensemble—leading the group to back-to-back state championships in the A-class division. His leadership in the competitive drumline scene showcases his skill in crafting high-level performances and fostering musical achievement.
As a performer, Riley has marched snare drum with the world-class finalist group STRYKE Percussion. Further extending his reach into the performing arts, he continues to perform at premier events through Blue Devils Entertainment and as a solo musician—demonstrating both versatility and artistic dept
Marilyn Southwick
color guard sponsor
Marilyn Southwick serves as the Color Guard Sponsor at Martin County High School (MCHS) in Stuart, Florida. An alumna of the MCHS Tiger Regiment Color Guard, class of 1996, she continued her passion for performance as a member of the Florida State University Marching Chiefs Guard, class of 1999.
In addition to her role with the color guard, Mrs. Southwick is a dedicated World History teacher at MCHS. Her husband, Shaun Southwick, contributes to the school's community as the Culinary Arts Instructor. Their family's involvement with MCHS extends to their children, including a brass player in the class of 2024 and future Tiger Regiment members.
Mrs. Southwick is known for her unwavering support of all Tiger Regiment students, often referring to herself as the "momma" of the group. Her enthusiasm for the school's colors—blue and gold—is matched by her commitment to instilling the values encapsulated in the acronym SUDA, a term she is known to quiz students on spontaneously.
Her deep-rooted connection to MCHS and the Tiger Regiment, combined with her dedication to student development, make her an integral part of the school's vibrant community.