The Official Site for ARC Beaver Athletics




Coaching Staff





Head Coach

Bethani Black

(916) 484-8302

Associate Head Coach

Tyson Frenn


Coach Tyson Frenn is currently in his first season with ARC women's water polo. Tyson has been a part of ARC aquatics for several years, assisting with tournaments, championship events and alumni functions.

Tyson grew up playing water polo. Playing under the American River College Head Men's Coach Eric Black as a club athlete and then for his first 2 years of college. He continued on to play and earn a Sociology degree from Queens University. From there Tyson earned his Masters degree from Concordia University in Sport Coaching and Athletic Administration.

Tyson has coached at Rio Americano for the past three years as the head boys and girls coach, leading both teams to section titles!!

Tyson brings great excitement and energy to the program. He is creative and insightful in his coaching. He brings great enthusiasm to each practice creating an environment where each athlete is challenged to grow and develop daily. ARC is excited to welcome him to the program.

Assistant Conditioning and Film Coach

Erik Lewis


Erik is a native of Sacramento growing up and training under the Sacramento legends Sherm Chavoor, and Mike Hastings. As a young swimmer he learned the value of discipline and dedication. He continued that at Jesuit high school and then as an alumni of Auburn swimming.

Erik is an astute coach of technique and mechanics. He is fundamental based in his coaching, working constantly on efficiency and fluency.

Erik has been a member of the ARC Aquatics staff for over 4 years. He is an athlete favorite and always gives his best to each practice, athlete, and opportunity.