All Gym Marika staff are

USAG National Safety Certified

and CPR certified.

Head Coach

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

BS History, University of Rio Grande

BA Fine Arts, University of Rio Grande





Coach Lori Miller

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. 







Coach Alex Franken

Alex has been a part of the Gym Marika program for 10 years, since the age of 7.  She is currently a senior at Dublin Jerome High School and plans to attend Ohio University in the Fall of 2014.  Alex coaches preschool Tiny Tumble, Recreation classes, and Pre teams. Alex is a National medalist on Trampoline taking home the silver medal in 2011 and the bronze in 2013.  She is an adored member of the team and staff and currently holds the position of Team Captain.

USAG National Safety Certified

 Coach Jessica Witkin

USAG National Safety Certified

Jessie comes to us from Chicago Illinois where she reached her Junior Elite Qualifying status with USTA trampoline.  Jessie works with our Tiny Tumble classes, Recreation athletes and Pre teams.  Jessie is a Junior Olympic  National Finalist on Double Mini where she placed 6th in the country in 2012 as a level 10. Jessie is an 'Old Soul' providing leadership through experience and example. She currently attends Olentangy Orange High School.