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Coaches & Directors

We are here to support your needs. If your questions are related to workouts, meets, events, goal setting, and other swimming related needs, please contact one of the coaches. For all questions related to administrative, such as dues, safety, or policy issues, please contact one of the board members.

Coaching Staff

Ken Heis

Head Coach - ASCA Level 4

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The City of Mason brought Ken to Mason in the fall of 2003 to start the Mason Manta Ray program.   Ken has been coaching for twenty years and has coached 18 Olympic Trial Qualifiers, 30+ Ohio High School State Champions, Sectional Champions, 3 National Junior Team members, and Top 10 in the nation swimmers. He is the High Performance group coach and assists on all levels of the team. In 2017, the Manta Ray boys won the USA Summer Junior Nationals & USA Winter Junior Nationals, and the girls won the 2017 NASA Junior National Cup. In 2018, Ken was selected to be a coach at the USA National Junior Team Camp in Colorado Springs.  He was recenlty selected to take part in the United States Olympic Committe Coach Leadership Program. Ken has been awarded the 2007, 2008, 2016 & 2017 Ohio Swimming Coach of the Year.  

Prior to Mason, he was the head coach of the Aiken-Augusta Swim League in Augusta, GA for three years. Before Augusta, Ken was an assistant coach at Clemson University and head coach of the Anderson Swim Team in Anderson, SC.  He is an American Swimming Coaches Association (ASCA) Level 4 Certified Coach and serves on the Central Zone Senior Sectional committee and Ohio Senior Committee.

Ken graduated with a degree in Economics from Kenyon College and is from Cincinnati. As a swimmer, Ken was a three-time Ohio High School State qualifier (Turpin High), a 22 time All-American, Olympic Trials qualifier, NCAA D-III National Record Holder, 16 time National Champion and has been inducted to the Kenyon College Athletic Hall of Fame.  He resides in Terrace Park with his wife, Jeni, sons Quinn (10) and Corbin (7), and daughter Rorie (2).

Todd Billhimer

Head Age Group Coach - ASCA Level 4

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Todd joined the Manta Rays in the fall of 2004. He started his coaching career in 1991 as an assistant for the Milford Area Swim Team (MAST). In 1993, he accepted the Head Age Group Coach position for MAST and helped build the team from 60 swimmers to 125 swimmers. While at MAST, he coached his swimmers to National Top 16 rankings. In 1998, Todd accepted the Head Coach position at the Clermont YMCA where he also served as Aquatics Supervisor. While at Clermont, 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 left the YMCA and took the Assistant Head Coach position with the Northern Kentucky Clippers. There, he worked with swimmers 13 years and older with a focus on the distance swimmers. While with the Clippers, Todd helped coach Ohio and Kentucky High School state qualifiers and champions, numerous Top 16 swimmers, Ohio Age Group State champions, Sectional champions and Senior National qualifiers.

Todd was a member of the first swimming and water polo teams at Milford High School. He graduated from Northern Kentucky University with a B.A. in Political Science in 1998. He is currently an ASCA Certified Level 4 coach and has served as the chair of Ohio Swimming's Age Group Committee the past four years and is currently the Technical Planning Chair for Ohio Swimming. In his free time, Todd enjoys spending time with his family and playing or watching sports. He resides in Batavia with his wife Katie, daughters Josie, Jossalyn, and Juliana . Todd currently coaches the Senior 1 and Senior 2 groups.

Katie Schmidt

Challenge 2 & Senior 2 - ASCA Level 2

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Katie began coaching with the Manta Rays in the fall of 2010.  She started out coaching ages 4-18 for the Windwood Swim and Tennis Club in the Summers 2004-2008.  After graduating college, Katie stayed as the assistant swim coach for the Purple Aces for the 2007-2008 season.  She then returned to Cincinnati and coached with Cincinnati Aquatic Club for 2 years before joining the Manta Rays coaching staff in 2010. Katie is the lead coach of the Challenge 2 group and also acts as the registration liason for the team.

Katie grew up in Cincinnati and competed for the Blue Ash YMCA and Lakota West High School before earning her scholarship to swim for the University of Evansville Purple Aces.   At Evansville, Katie competed all four years and earned her Bachelor of Science degree in Elementary Education.

Katie currently resides in West Chester with her husband Mike and two labrador’s, Paisley and Sadie.  Her hobbies include playing with her nephews, painting/home improvement projects, and cooking. Katie completed the Haine's City Florida Ironman 70.3 and Louisville IRONMAN in 2015!

Mark Sullivan

High Performance

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Mark is physical education teacher at Mason High School and the Head Coach of the Mason High School Swim Team and the Varisty group coach.  Born and raised in Akron, Mark graduated from Eastern Kentucky University in 1980.  He coached in the Youngstown area for three years, then moved on to coach St. Xavier High School from 1983-1988.  He then moved to Sycamore schools and was the Head High School Coach for 15 years where he led the Sycamore High School girls to the State Championship in 1992.  He transferred to the Mason School District in the fall of 2003. Mark with his wife Jackie and their four children live in the Mason area.

Ashley Heinsen

Imagination 1 and Senior 1&2

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Ashley began her swimming career at the age of 8 for the Beckett Ridge Barracudas after her family moved from Florida to Ohio. She quickly started year round swimming after her first experience with summer swimming. Ashley has swum for the Fairfield YMCA Flippers, Sycamore Flying Fish, Princeton Aquatic Club and Cincinnati Marlins. She was a competitor at many Junior Olympic meets and qualified for Zones as well as an age group swimmer. As a student at Lakota West, Ashley was a varsity swimmer for 4 years and qualified for the High School State meet for 3 of them.  Upon graduating from high school in 2009, Ashley started her coaching career with the Beckett Ridge Barracudas. She has steadily risen amongst the ranks of assistant coaches and was instrumental in developing and running a new stroke clinic program for the team. Ashley will be graduating from the University of Cincinnati this spring with a degree in Communications. She looks forward to the opportunity to coach a year round swim team. 

Trish Schoenlein

Discovery 1&2 and Imagination 2

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Trish started swimming competitively at age 8 and continued through high school where she was an All-American swimmer and Jr. National Qualifier.  She was a four year scholarship swimmer at Bowling Green State University where she earned her degree in Visual Communication Technology.

This is Trish's 19th year of coaching, primarily focusing on the entry level ability, ages 6-11 years old.  She also has been teaching swim lessons for the past 8years, focusing on a wide array of abilities, ranging in ages from toddler to adult, competitive stroke clinics and a pre-competitive swim team.

Trish resides in Mason with her husband Craig and three children, Stephanie age  15, Ashley age 12 and Megan age 9.

Sabrina Manning

Challenge 1

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Heather D Shooner

Assistant Coach

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Heather began her swimming career at age 4 in Pennsylvania.  At age 7, when her family moved to West Chester, OH, Heather continued her swimming career with both Lakota Hills and Countryside YMCA.  While at CY, she enjoyed competing at both the Short Course and Long Course National Championships, especially the year they won the National title.  Heather also represented Lakota High School and was a four time state qualifier in the 500 free.  She graduated from Xavier University in 1999 with a Bachelor's in Social Work.
 
Heather began teaching swim lessons to children of all ages and abilities at age 16.  She has now taught for nearly 20 years both privately and through the YMCA, Red Cross, and SwimAmerica programs.   Heather began her coaching career when she accepted the head coach position for the LH Wavemakers in 2010.  Heather loves coaching her home team and the experience has awakened a deep passion that she holds for competitive swimming.  She is ecstatic to join the Manta Ray staff as a way to continue her growth as a coach.  Heather is also very much looking forward to sharing both her knowledge and her love of the sport with the team. 
 
In her spare time, Heather enjoys cooking, road trips, music, entertaining, reading, and volunteering in the nursery at her church.  She resides in Liberty Township with her husband Joe, and two children, Levi (8) and Audrey (6). 

Amy Robillard

Assistant Coach

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Bio coming soon.

Lisa M Hardwick

Discovery 1&2

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Lisa started swimming at age 5 with the Nashville Aquatic Club in Nashville, TN. She enjoyed competing with NAC and her summer league team, beginning to break city and team records by age 8. At age 11 l, Lisa moved to Excel Aquatics in Brentwood TN and began to compete in the Southeast Swimming Championship meets. She earned several Southeast Swimming Championship titles in 100 and 200 breaststroke, qualifying for Top 16 national time standards, and was admitted to the Southeastern Swimming Hall of Fame. In high school, Lisa placed top 16 in the Tennessee State Championships and was a captain for her high school team in her senior year. 
 
Lisa continued her swimming experience in college as a coach for Excel Aquatics, a USA Swimming Silver Medal team. She represented her school, Middle Tennessee State University, as a Masters Swimmer and placed top 8 in the Masters National Championships in 2011. 
 
Lisa enjoyed coaching for Excel Aquatics, in addition to coaching several summer league teams and high school teams in Murfreesboro TN. She moved to Ohio in 2015 and began coaching with the Manta Rays in February 2016. Lisa enjoys working primarily with the Rays 8 & under swimmers, teaching them foundations of the sport and encouraging the young swimmers to always have a good attitude and a fun experience. 

Mark Davis

Senior 1&2

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Atharva Deshmukh

Assistant Coach

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McKinley Davis

Assistant Coach

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Jenna Braun

Assistant Coach

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