Jeremiah is a co-owner of Iron Revival and a StrongFirst SFG II Certified Instructor, where he coaches individuals in the art and science of kettlebell training. With over 12 years of experience as a certified personal trainer, he has worked with clients both in person and online, helping them build strength, resilience, and confidence. A passionate coach and educator, Jeremiah integrates principles of intuitive movement, intentional practice, and lifelong learning into his programs. He recently completed the LA Marathon, a milestone that reflects his commitment to both physical and mental endurance. Outside the gym, Jeremiah enjoys playing music, spending time with his family, and exploring the balance between discipline and creativity. His mission is to inspire others to train with purpose and live with strength—inside and out.

Roger Parks is co-owner of Iron Revival and a StrongFirst SFG II Certified Instructor, bringing over 20 years of experience as a personal trainer and coach. Renowned for his ability to distill complex concepts into accessible insights, Roger’s thorough and unmatched approach has made him a sought-after educator among fellow coaches. He is the author of Kettlebell Ballistics: The Essentials: A Practical Guide to Mathless, Meathead Physics and the creator of  Zero To Swing, a comprehensive video series featuring over 50 unique kettlebell exercises. Roger elevates the standards of kettlebell training by educating both practitioners and instructors with clear, effective, and intelligent programming.