Head Coach, 
  LJ Isip 

Lou  Jester “LJ” Isip is the head coach and owner of Krank Pompton Plains with over 15 years of experience in the fitness industry. Growing up in Jersey City, he was bullied throughout most of his childhood for being overweight. Knowing he wanted to change his lifestyle, LJ began learning everything he could about fitness. In high school, LJ became a varsity athlete and in college began training clients at a local gym. That’s when he knew that he had the power to change lives through fitness.

After three years in Nutley, LJ was ready for the challenge of opening his own gym and knew he wanted to bring the high standards and success of Krank to other towns in NJ. Krank Pompton Plains is currently in its third year of operation with LJ at the helm. Along with running the gym, he is also pursuing his lifelong dream as a firefighter for North Hudson Regional.


“I enjoy watching people grow. There’s nothing like thinking back to where a member started from and watching their progression. Whether it is mental or physical—I’m proud to be part of their results.”

 Head Coach, 
  LJ Isip 
Vallerie Miller

Vallerie "Val" grew up in Montville, New Jersey. Always struggling with her weight—she ballooned to her heaviest while in college. After graduating and beginning her career as a math teacher—Val knew it was time for a change. Through a combination of self-motivation, and support from a colleague, she began training for a 10K and lost over 60 pounds in five months.

After finding her passion for fitness—Val needed another challenge. That is when she discovered Krank Systems—and as they say—the rest is history. Val trained under head coach LJ Isip and immediately fell in love with intense, motivating Krank culture. From classes she moved on to competitive powerlifting and realized her ultimate goal was to help others on their journey.

“My favorite part of coaching is pushing someone to achieve something they never felt was possible. The look on their face—that’s the reason I do this.”

 Head Sports Performance Coach:
Josel Mateo

Josel was born and raised in Lincoln Park, New Jersey. As a graduate of Ramapo College, he holds a Bachelor's degree in Biology with a focus in Sports Science. 

Josel grew up as a high-level athlete—competing with top soccer clubs in North Jersey and as a captain at Depaul Catholic High School. He eventually played for the Jersey Blues in the National Premier Soccer League with an invitation to try out for Global Soccer Club, a top division team in the Philippines. His passion for soccer developed into a lifelong desire to push himself, teammates, and friends to continue to reach their full potential. 

"My goal is to empower youth athletes and help them learn how to navigate life with a barbell in their hands or a ball at their feet."

Lead Personal Trainer:
Kenton Hughes 

Loves to train athletes of all ages. Grew up playing sports and competed at varsity level sports like football, track and field, cross country at Wayne Valley High School. Currently hobbies include powerlifting and outdoor activities. 


Graduated from The Pennsylvania State University August 2015 with a bachelor's degree in Kinesiology - Movement Science
NCSF Certified Personal Trainer
StrongFirst Kettlebell Instructor


"My training philosophy is to move well and move often so you can stay moving for life!"