Born in Austin and raised in Plano, Texas, just north of Dallas, Karsten graduated from Plano East Senior High School where he competed as a top hurdler and 400m sprinter. He has been a full time personal trainer in the Dallas area and 6 time national finalist on NBC’s American Ninja Warrior.™
His new position as Area Director and Head Coach of Ninja Nation Frisco has helped him achieve his passion for training kids and adults who are aspiring ninjas and obstacle course competitors. Karsten also has passion for helping others by working with organizations that benefit the community by raising funds and providing resources to help those in need