Cooper Fitness Center is currently closed through April 3 due to the mandate issued by Governor Greg Abbott. It is possible the closure could be extended until April 29 due to the City of Dallas mandate.
Click here for operational updates.

Click here for a COVID-19 update from our CEO.

Marni Kerner

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Swim Pro


  • 15 + years of aquatic coaching experience
  • Teaching: novice through competitive swimmers; adults & children
  • Hockaday swim classroom and swim team coach, 2009-present
  • Trainer and developer of high school sports conditioning programs including swim, lacrosse, field hockey, tennis & track & field for 10+ years
  • Coaching experience also includes crew, softball, basketball, volleyball & soccer
  • Competitive mountain biker
  • Certifications: American Red Cross certified Water Safety Instructor, Lifeguard, CPR & First Aid
  • Bachelor of Arts in Philosophy, Southern Methodist University


  • Infant to Adult, Beginner to Competitive Levels
  • Triathlons
  • Open Water
  • Special Populations
  • Swimming for Fitness
  • Post-Injury Aquatics
  • Preparation for Swim Club & Summer Camp Testing


  • Private & semi-private sessions, all ages: Children/Teens | Adults
  • Summer youth swim team
  • Youth & adult swim clinics

Marni Kerner: 972.233.4832, ext. 5447 or send an email