All Gym Marika staff are USAG National Safety Certified and CPR certified.

Head Coach

Marika Zahrndt

 USAG National Safety Certified, USAG Professional Member, USTA Safty Certified, USAG Kinder Accreditation for Teachers, USAG Trampoline and Tumbling Level I Coaches Course, USAG Movement and Lesson Plan Development Coaches Course, First-Aid, AED, Sports Safety and CPR Certified, USAG National Congress Convention attendee 1997 - 2006, USAG Regional Congress attendee 2003 - 2005, USTA National Congress attendee 2004, Tumbling, Gymnastics, Cheerleading, Dance, and Preschool Instructor. 

Coaching Gymnastics in Columbus Ohio for over 15 years

Coach Lori Berry

Lori graduated in December 2009 from The Ohio State University with a degree in Human Development and Family Science.  She tumbled for 10 years, 8 of which as a member of a Power Tumbling Competition Team in Portsmouth Ohio.  Lori was also a part of an All-Star Cheerleading squad for four years and a cheerleader for her High School for four years.  Lori works with our competition Team and Recreation class athletes. 

Congratulations Lori...Lori was engaged this summer!





Coach Johnathan Mackie

Johnathan is a current Gym Marika Level 9 Team member.  Johnathan is enjoying his Senior Year of High School at Grove City High School where he is a member of their award winning marching band.  Johnathan is an All-Star cheerleader and loves working with athletes in our Recreation program!  Johnathan coaches our energy filled Boys Xtreme Trampoline classes.  He is involved with many school and community groups and loves being in the gym!