Coach Ken Heisken heis

Head Swim Coach
12 years coaching experience

Ken has coached the Mason Manta Rays since the team’s inception and currently serves on the USA Swimming Central Zone Senior Sectional committee. Prior to coaching the Manta Rays, he was an assistant coach at Clemson University and head coach of the Anderson Swim Team in Anderson, South Carolina. He later became head coach at Aiken-Augusta Swim League in Augusta, Georgia. He has a Bachelor’s degree in Economics from Kenyon College.

Ken has coached multiple Olympic Trial Qualifiers, Ohio High School State Champions, Sectional Champions, and Top 16 swimmers.

2007 and 2008 Ohio Swimming Coach of the Year
ASCA Level 4 Certified
CPR, Lifeguard, and FIRST AID

As a swimmer, Ken was a three-time Ohio High School State qualifier (Turpin High School), a 22-time All-American, Olympic Trials qualifier, D-III National Record Holder, and 16-time National Champion.

Coach Todd Billhimer

todd billhimer

Head Age Group Coach
15 years coaching experience

Todd earned a Bachelor’s degree in Political Science from Northern Kentucky University. He is a member of Ohio Swimming’s Age Group Committee and also serves as camps coordinator for that organization.

Prior to coaching the Mason Manta Rays, Todd served as an assistant coach, and eventually head age group coach, for the Milford Area Swim Team. As head coach, he helped build the team from 60 to 125 members, with several swimmers advancing to National Top 16 rankings. Todd later became head coach and aquatics supervisor at the Clermont YMCA. While there, Todd coached Ohio High School State Qualifiers and Top 8 finishers, as well as YMCA National Qualifiers and Top 8 finishers. He also coached his first High School All-American while at the YMCA.

In 2000, Todd took the assistant head coach position with the Northern Kentucky Clippers. There, he worked with swimmers 13 years and older with a focus on distance swimmers. While with the Clippers, Todd coached Ohio and Kentucky High School State Qualifiers and Champions, numerous Top 16 swimmers, Ohio Age Group State Champions, Sectional Champions, and Senior National Qualifiers.

ASCA Level 3 Certified
CPR, Life Guard, and First Aid

Coach Yonce Danielsyonce daniels
Gymnastics and Cheer Coach
25 years coaching experience

Yonce has trained gymnasts from pre-school to an elite level and coached several gymnasts to state, regional, and national competitions. Yonce toured professionally with Olympic gymnast Kurt Thomas for more than five years.

Certifications and Awards
USAG certified
AAU All Around National Champion