Coach Koscinski's Bio

Michael Koscinski’s journey in basketball is a testament to mentorship and the transformative power of the game. As President of East Coast Hoopers Basketball Club and Head Boys' Basketball Coach at Riverside High School in Leesburg, Virginia, his path is marked by a deep passion for basketball and a commitment to instilling that love in his players.

Inspired by mentors after losing his father at a young age, and influenced by the teamwork and selflessness of the Larry Bird-era Boston Celtics, Coach Koscinski built his coaching philosophy on these values. He began his career with summer basketball camps in the Northeast, gaining extensive experience and attending numerous national and regional clinics.

Coach Koscinski pursued a degree in sports management and served as a team manager for Springfield College’s Division II men’s basketball program. He then coached a high school freshman team in Massachusetts, earning a reputation for player development and teamwork.

Advancing his career, he became the Director of Athletics & Student Activities at a 7-12 school in Vermont. With 12 years of experience as a Freshman, JV, and Varsity Assistant Coach, he took over the Park View High School basketball program in 2008, leading it through significant transitions. He later contributed to a district championship team at Stone Bridge High School.

As the inaugural head coach at Riverside High School, he led the team to district and regional titles in 2019 and a state tournament appearance in 2020. The 2022 season was historic, with the team winning their first-ever state game and advancing to the state final four.

Turning to club coaching to support his son and teammates, Coach Koscinski co-founded the East Coast Hoopers Basketball Club with Coach Walker, providing effective and economical training and fostering team play.

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Coach Walker's Bio

Jermaine Walker has been a passionate basketball coach in Loudoun County for almost two decades. His coaching journey began as the Varsity Assistant and JV Head Coach at Park View High School, where he worked alongside Coach Koscinski for six years. Additionally, he spent a decade as the JV Coach at Rock Ridge High School in Ashburn, taking a dual role of assisting the varsity team and leading talent development.

A proud Varsity Letterman from John Handley High School in Winchester, VA, Walker has been the driving force behind the Hoopers Basketball Club since 2017. He led the club's first showcase team to national events, wrapping up in 2021, and has successfully guided five players to college basketball careers.

With a wealth of experience in camps and instructional settings, Walker excels in training smaller groups and boosting players' confidence and skills. Known for his challenging, defensive-minded approach, he is committed to continually growing his abilities and adapting strategies to help talent flourish.

For the past four years, Walker has been a key figure in the East Cost Hoopers Organization, serving as the Head Coach for the 17u group. He emphasizes skill development and team play, and his genuine love for the game and dedication to his players' growth, both on and off the court, is truly inspiring.

In addition to his coaching roles, Walker is the High School Program Director and the new coach of the 2028 class. In this role, he oversees the vision of the high school level squads, player development, and promotion. He is actively seeking circuit membership for future teams, with a vision to have professional head coaches for each team and well-programmed training at the high school level.

This year marks Walker's first as a high school head coach, he role he has diligently prepared for through his club basketball and high school level work. He is known for being player-focused, empathetic, and highly effective in motivating players. Walker excels at developing relationships with his athletes while pushing and instructing them to reach their full potential.


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