Meet GRIT
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Do you have the raw endurance, passion, and perseverance to keep going, no matter what life throws at you? Then listen up. GRIT is designed for individuals who are ready to take their fitness to the next level, and challenge their physical and mental strength. Ignite your passion through our fitness programs, where you’ll be paired with experienced coaches who push, encourage, and motivate you. Are you GRIT?
Meet the Coaches
Jacob Heppner
Jacob Heppner, Owner of GRIT Performance, is a five-time CrossFit Games veteran with three Top-10 Finishes, and a best of 6th Place in the 2019 CrossFit Games. Always an athlete, Jacob was born and raised in San Joaquin Valley, California then found his way to Missouri, where he played college football at Central Methodist University. He is an entrepreneur with a passion to help others through health and fitness. He is married to the amazingly talented Kelli Heppner, and he is dad to the super famous and fun, Winston the Corgi.
Owner of Grit Performance
Jacob Heppner
Jacob Heppner
Jacob Heppner, Owner of GRIT Performance, is a five-time CrossFit Games veteran with three Top-10 Finishes, and a best of 6th Place in the 2019 CrossFit Games. Always an athlete, Jacob was born and raised in San Joaquin Valley, California then found his way to Missouri, where he played college football at Central Methodist University. He is an entrepreneur with a passion to help others through health and fitness. He is married to the amazingly talented Kelli Heppner, and he is dad to the super famous and fun, Winston the Corgi.
Owner of Grit Performance
Jacob Heppner
Jill Glasenapp
Jill grew up on a farm in Wisconsin, where wrestling was the family sport. After years of being a practice dummy for her brothers, she started a successful wrestling career that continued through high school. Straight out of high school, Jill joined the U.S. Army where she served as a Military Police Officer for 13 years, including a deployment to Iraq and another to Afghanistan. During her military time, she was certified as a U.S. Army Master Fitness Trainer and ACE Certified Personal Trainer, beginning her coaching career. In 2010, while in Afghanistan, she fell in love with CrossFit and has been doing it ever since. Jill got her CFL1 in 2013, shortly after leaving the Army to pursue a fitness career. With over 20 years of experience in the fitness industry, Jill loves coaching athletes to push to levels they never thought possible; from programming to fault correction all the way to competition.
- Co-Owner of Cobra Command CrossFit
- 20+ Years Coaching Experience
- CrossFit Level Two Trainer Certificate
- NETA Kettlebell Certified (Basic/Advanced)
- NETA Cycling Certified
- ACE Personal Training Certified
- ACE Youth Sports Specialist Certified
- USAW L1 Sports Performance
- Bachelor of Science Degree- Psychology & Human Development
- Master of Art Degree- Business & Security Management
Grit Head Coach
Jill Glasenapp
Jill Glasenapp
Jill grew up on a farm in Wisconsin, where wrestling was the family sport. After years of being a practice dummy for her brothers, she started a successful wrestling career that continued through high school. Straight out of high school, Jill joined the U.S. Army where she served as a Military Police Officer for 13 years, including a deployment to Iraq and another to Afghanistan. During her military time, she was certified as a U.S. Army Master Fitness Trainer and ACE Certified Personal Trainer, beginning her coaching career. In 2010, while in Afghanistan, she fell in love with CrossFit and has been doing it ever since. Jill got her CFL1 in 2013, shortly after leaving the Army to pursue a fitness career. With over 20 years of experience in the fitness industry, Jill loves coaching athletes to push to levels they never thought possible; from programming to fault correction all the way to competition.
- Co-Owner of Cobra Command CrossFit
- 20+ Years Coaching Experience
- CrossFit Level Two Trainer Certificate
- NETA Kettlebell Certified (Basic/Advanced)
- NETA Cycling Certified
- ACE Personal Training Certified
- ACE Youth Sports Specialist Certified
- USAW L1 Sports Performance
- Bachelor of Science Degree- Psychology & Human Development
- Master of Art Degree- Business & Security Management
Grit Head Coach
Jill Glasenapp
Tiffany Wilkerson
Tiffany grew up in the mountains of Northwest Montana and spent her days hunting, camping, playing softball and traveling with her competitive jump rope team (she swears it’s a real thing). She went to college in Wisconsin where she not only earned her BS in Integrative and Medical Biology but also earned Conference Player of the Year in softball and a school record and Conference Championship in the 4×400 relay in track and field. In 2008 she was so bored of the classic treadmill run + weight room routine and went searching for her next fitness endeavor, she found CrossFit and never looked back. She believes anyone can do CrossFit and that the consistent CrossFitter will reach levels of fitness they didn’t think were possible. She is as excited to teach you how to air squat as she is to teach you how to muscle up. Tiffany spends her time wrestling her two boys, watching too much MMA with her husband and geeking out on bio-hacking.
- Head Coach at Cobra Command CrossFit
- 15+ Years Coaching Experience
- CrossFit Level Two Trainer Certificate
Coach
Tiffany Wilkerson
Tiffany Wilkerson
Tiffany grew up in the mountains of Northwest Montana and spent her days hunting, camping, playing softball and traveling with her competitive jump rope team (she swears it’s a real thing). She went to college in Wisconsin where she not only earned her BS in Integrative and Medical Biology but also earned Conference Player of the Year in softball and a school record and Conference Championship in the 4×400 relay in track and field. In 2008 she was so bored of the classic treadmill run + weight room routine and went searching for her next fitness endeavor, she found CrossFit and never looked back. She believes anyone can do CrossFit and that the consistent CrossFitter will reach levels of fitness they didn’t think were possible. She is as excited to teach you how to air squat as she is to teach you how to muscle up. Tiffany spends her time wrestling her two boys, watching too much MMA with her husband and geeking out on bio-hacking.
- Head Coach at Cobra Command CrossFit
- 15+ Years Coaching Experience
- CrossFit Level Two Trainer Certificate
Coach
Tiffany Wilkerson
Sydni Wessel
Sydni grew up on a farm in Nebraska. Her competitive nature comes from competing in gymnastics and racing motocross through college. She always had a passion for fitness but earned her BS in Marketing from the University of Phoenix. Sydni competed in her first bikini competition in 2010, after a long summer of triathlons. In 2014 she earned her NASM certification and CF-L1 and while competing with the WBFF and earning her pro card that year. In 2017 Sydni started competing again with the NPC after having her son and competed in Nationals in 2017, 2018, and taking 2nd and 8th respectively in 2019. In 2014 she started her LLC, Fit by May, and has successfully trained clients in person and online, including a competitor earning 1st overall in her first show. There is no one size fits all for fitness, but strength training provides countless benefits.
Motto: “No Bad Days”
- NASM CPT
- CrossFit Level 1
- Certified CrossFit Kids Certified
- ATA
Coach
Sydni Wessel
Sydni Wessel
Sydni grew up on a farm in Nebraska. Her competitive nature comes from competing in gymnastics and racing motocross through college. She always had a passion for fitness but earned her BS in Marketing from the University of Phoenix. Sydni competed in her first bikini competition in 2010, after a long summer of triathlons. In 2014 she earned her NASM certification and CF-L1 and while competing with the WBFF and earning her pro card that year. In 2017 Sydni started competing again with the NPC after having her son and competed in Nationals in 2017, 2018, and taking 2nd and 8th respectively in 2019. In 2014 she started her LLC, Fit by May, and has successfully trained clients in person and online, including a competitor earning 1st overall in her first show. There is no one size fits all for fitness, but strength training provides countless benefits.
Motto: “No Bad Days”
- NASM CPT
- CrossFit Level 1
- Certified CrossFit Kids Certified
- ATA
