Our Team
Josh Cossitt
As the ONLY USPTA Elite Professional in Cheyenne, Coach Josh Cossitt brings unparalleled expertise and a proven track record of success to the world of tennis coaching.
With a career spanning decades, Coach Cossitt has coached players of all ages and skill levels, from beginners to collegiate athletes. He has notably coached USTA National Teams and produced numerous Wyoming State Champions.
His accolades include being named the 2021 Intermountain Coach of the Year and one of Tennis Channel's Top 10 Coaches in America in 2021. Additionally, he was recognized with the 2022 Diversity and Inclusion Award for his commitment to making tennis accessible to all.
Coach Cossitt's passion for the sport, combined with his dedication to his players' development, creates an environment where success is inevitable. Whether you're just starting or aiming for the top, Coach Cossitt is ready to help you reach your full potential on the tennis court. To schedule lessons call or text, 307-221-2282. Private lessons are $55/hour
Brendan Lock
Brendan Lock is a tennis standout with a stellar record both on and off the court. As a three-time Wyoming #1 Singles Champion and four-time All-State #1 Singles player, Brendan's skill and dedication are undeniable.
During his tenure as team captain at Western New Mexico University, Brendan showcased his leadership and talent. He recently completed his senior year of varsity tennis, all while maintaining his status as a member of the ITA All Academic Team.
Brendan's sportsmanship and competitive drive have earned him recognition, including two-time membership on the Lone Star Conference Sportsmanship Team. Additionally, he consistently ranks among the Intermountain Men's Open Singles Top 5.
Now, as a coach, Brendan brings his wealth of experience and passion for the game to mentor aspiring athletes. Whether you're a beginner or a seasoned player, Brendan is committed to helping you reach your full potential on the court. Brendan teaches our higher level tennis programs and offers private lessons for $55/hour. To schedule lessons, contact Brendan at 307-214-9799
Hailey Mathis-Breitkopf
Hailey Mathis-Breitkopf is a tennis instructor with a remarkable record of success both on and off the court. As a three-time All-State winner and three timeWyoming state champion, Hailey's talent and dedication to the sport are evident.
One of Hailey's most impressive feats is her undefeated high school career, where she has never lost a match. Her consistent excellence and unwavering determination make her a standout in the tennis community.
Now, Hailey brings her passion for the game and her wealth of experience to her role as a tennis instructor. Hailey helps coach our under 12 group classes and is available for private lessons at $40/hr. To schedule lessons with Hailey, please call or text 307-421-9007
Rio Barr
Rio Barr is an exceptional young tennis player and dedicated instructor. Currently playing as the #1 singles player for South High School, she has demonstrated impressive skill and commitment to the sport. Rio is the Wyoming Governor's Cup Mixed Doubles Champion and is ranked #1 in Wyoming for both singles and doubles in her age division. Her talent has also taken her to the national stage, where she represented Team Wyoming at the Impact Team Tennis National Championships in Orlando, Florida. As a 12 and under tennis instructor, Rio brings her passion for the game and competitive experience to her students, helping them develop their skills and love for tennis. Rio teaches Red and Orange ball as well as private lessons at $40/hr. To schedule with Coach Rio, you can message her at 307-275-6763.
Nicholas Thornell
Coach Nicholas Thornell is a standout athlete and dedicated mentor with a passion for developing young tennis players. A Wyoming All-State Tennis Player in 2023 and 2024, Nicholas was part of the 2024 Team State Championship and claimed the #3 Doubles State Champion title in 2023 with an undefeated season.
Off the court, Nicholas excels academically with a 4.1 GPA as an AP Scholar and has volunteered with the children’s program at Element Church for over five years. His leadership, sportsmanship, and commitment to excellence make him an invaluable part of our coaching team.