The team

Meet the coaches

Every class at NinjaFit is run by coaches who compete, and who have taught hundreds of ninjas from their first climb to the national stage.

David Kiser hanging from a spinning obstacle as a referee and the crowd watch

Owner & Coach

David Kiser

  • 2026WNL Southeast Head to Head: 3rd, Masters
  • WNL Tier 1 Masters: 2nd overall, 2 course wins
  • NSC Amateur competitor

David co-owns NinjaFit with Ashley and coaches on the floor. He competes too, and he loves wearing his USA colors on the course: look for the stars and stripes. In the 2026 WNL season he took 3rd in Masters at the WNL XI Head to Head Southeast Regional Championships and 2nd overall at a Tier 1 qualifier, winning two of its four courses, and he ran the NSC Amateur Qualifier in the 14+ Open division. On competition days you'll find him courseside, cheering for every NinjaFit athlete.

In action

  • David Kiser in a stars-and-stripes tank leaping from a platform toward a hanging ring
  • David Kiser swinging one-handed from a spinning ring wheel
  • David Kiser in a stars-and-stripes tank swinging around a padded pole
  • David Kiser in a NinjaFit tank, focused on the next obstacle
Ashley Kiser swinging from a ring obstacle

Owner & Coach

Ashley Kiser

  • Prior D-1 athlete at Troy University for Cross Country and Track
  • Stage 3finisher at WNL World Championship, 2026
  • 2026WNL Southeast Head to Head: 2nd, Masters
  • WNL Tier 1 Masters qualifier wins
  • 2nd Place at UNAA OCR 3K in Harrisburg, PA, 2026

Ashley co-owns NinjaFit with David, coaches on the floor, and competes on the course herself, so she knows exactly what it feels like to step up to a hard obstacle. A former Division I runner at Troy University, she won the Masters division at two WNL Tier 1 qualifiers in 2026, reached the podium at every qualifier she entered, took 2nd in Masters at the WNL XI Head to Head Southeast Regional Championships and made it to Stage 3 at the WNL World Championship.

In action

  • Ashley Kiser landing on a platform with her arms out
  • Ashley Kiser laughing on the platform as Coach MJ, kneeling, shakes her hand
  • Glenn Davis, Melissa Davis, Ashley Kiser and David Kiser smiling together at a competition
  • Ashley Kiser hanging from a pair of rings
Tyler Gillett flying between obstacles above the crowd in Las Vegas

Head Coach

Tyler Gillett

  • 5seasons on American Ninja Warrior
  • 5×Las Vegas national finalist
  • Stage 3in Las Vegas, 2019
  • 2019State Games of America: pro champion
  • Ninja vs. Ninja team captain

Tyler, "The Dream Chaser", has competed on American Ninja Warrior five times (seasons 9 through 13) and reached the Las Vegas national finals in all five, getting as far as Stage Three in 2019. That same summer he won the pro division at the State Games of America (UNAA). He was the first finisher of the night in his rookie qualifier in Daytona and captained the Young Bloods on American Ninja Warrior: Ninja vs. Ninja. He has been building and running obstacles since he was 14, and he brings that same energy to every class.

In action

  • Tyler Gillett flexing and shouting in front of the American Ninja Warrior sign
  • Tyler Gillett hanging from a red ring obstacle
  • Tyler Gillett pointing to the sky at the top of the course
  • Tyler Gillett gripping a spinning red wheel obstacle
Coach Aiden Burley flying between rings on the lache course

Head Homeschool Coach

Aiden Burley

Aiden coaches all across the week at NinjaFit, from the Toddler Class and Mini Ninjas to Level 2, Adult Ninja and Homeschool PE.

In action

  • Coach Aiden Burley swinging off a spinning lache wheel
  • Coach Aiden Burley reaching for the next grip in midair
  • Coach Aiden Burley leaping toward the spinning wheels
  • Coach Aiden Burley swinging through the bar lache lane
Coach Destiny Cabassa reaching for a hanging grip on the NinjaFit course, holding a ring in her other hand

Coach

Destiny Cabassa

  • WNL Tier 1 podiums (Teen), 2026

Destiny coaches at NinjaFit and helps lead the Homeschool class alongside Aiden. She competes too, finishing on the podium in the Teen division at three WNL Tier 1 qualifiers in 2026.

Nicholas Parker in a blue Team Ninja shirt leaping for a swinging handle on the NinjaFit course

OCR Coach

Nicholas Parker

  • WNL Masters Tier 1
  • 2026 WNL Southeast Head to Head: Masters
  • Savage Race and OCR 5K/10K racer

Nicholas coaches OCR at NinjaFit. He competes in the WNL Masters Tier 1 division, raced Masters at the 2026 WNL XI Head to Head Southeast Regional Championships, and runs Savage Race and other 5K and 10K obstacle courses, so he brings real race-day know-how to every session: grip, carries, pacing, and how to keep moving when the obstacles pile up.

In action

  • Nicholas Parker and Jessie Graff hanging one-handed from a bar on the NinjaFit course, both smiling
  • Nicholas Parker swinging from a ring handle in front of a warped wall at Motive
  • Nicholas Parker in a blue NinjaFit shirt jumping between angled boards
  • Nicholas Parker in a blue Team Ninja shirt on the course at Motive
Coach Jackson McGee swinging between hanging blocks on the NinjaFit course

Coach

Jackson McGee

  • 2026 WNL Southeast Head to Head champion (Elite)
  • WNL Tier 1 qualifier wins
  • Competes in pro divisions

Jackson has been competing in ninja since 2020 and now takes on the pros. In 2026 he won the Elite men's title at the WNL XI Head to Head Southeast Regional Championships, won the WNL Tier 1 teen qualifiers he entered, and ran pro courses at UNAA and The Boss Comp. Cliffhangers, ring threads and lache links are his specialty, and he shares the moves he is working on with more than 500 subscribers on his YouTube channel. At NinjaFit he helps athletes break big obstacles into moves they can master.

In action

  • Coach Jackson McGee on a hanging grip obstacle
  • Coach Jackson McGee competing on the hanging grips in front of a crowd
Coach Emily Fisher swinging between rings at a ninja competition

Coach

Emily Fisher

In action

  • Coach Emily Fisher studying the next obstacle at a ninja competition
Corinne Thompson in a Team USA top flying between hanging red rings on an arena obstacle course

Coach

Corinne Thompson

  • Team USA modern pentathlon
  • 2025 World Championships team
  • 2026 Pan Am Championships: team 2nd

Corinne is a Team USA modern pentathlete and a coach at NinjaFit. A lifelong athlete from Gainesville, Georgia, she was recruited to the sport in 2019 and trains with Atlanta Team Pentathlon. She competed at the 2025 World Championships, and at the 2026 Pan American Championships she placed sixth and helped Team USA finish second. Obstacle racing is now one of pentathlon's five disciplines, so she knows how to move fast through a course when it counts.

In action

  • Corinne Thompson swinging her legs over a red wall while holding the bar above it
  • Corinne Thompson running across tilted steps under arena lights
Elliot in a star skirt climbing a ladder to the peg board while two people watch from below

Mini Boss

Elliot

Meet Elliot, better known around the gym as the Mini Boss! The daughter of owners David and Ashley, she grew up on this course and is our honorary coach for the Mini Ninjas. She's working toward competing in WNL Tier 2, and she's always ready with a big smile, a high five, and a quick demo of how it's done.

In action

  • Ashley and David Kiser with their daughter Elliot, flexing in front of the World Ninja League Championships banner
  • Elliot swinging on rings as David and Ashley Kiser hang from the bars behind her
  • Ashley, Elliot and David Kiser smiling on a platform on the NinjaFit course
  • David, Elliot and Ashley Kiser flexing with Daniel Gil in a Kingdom Ninja shirt
A chalkboard at NinjaFit titled Meet our NinjaFit ATL team, listing the owners Ashley and David Kiser, Mini Boss Elliot Kiser, Head Coach Tyler Gillett, Head Homeschool Coach Aiden Burley, coaches Jackson McGee, Destiny Cabassa, Emily Fisher and Corinne Thompson, and OCR Coach Nick Parker
The team board at the gym. Come say hi!

See all photos

Want to coach at NinjaFit? Get in touch.