Welcome to The Exercise Coach - North Scottsdale. We are proud to support our community by fostering healthy lifestyles. We understand that life is busy and demanding, making it difficult to maintain a healthy regimen. Here at The Exercise Coach - North Scottsdale, we are energized to help! Let us introduce our team of North Scottsdale personal trainers!

Allen Whiteman

Head Coach

Allen is originally from a small farm community in Ohio and he attended the Columbus College of Art and Design as a Fine Arts major. He relocated to the Valley in 1997 to pursue a different passion: beach volleyball. An unfortunate injury ended Allen’s days in the sun. When he asked himself, "what now?" the answer was simple. He decided he would share the benefits of a fitness lifestyle that he had enjoyed for so long. Allen obtained his personal trainer certification from the International Sports Science Association and got to work. Now, less than 2 years later, he is proud to be the Head Coach at T.E.C. in North Scottsdale. “My name is Allen Whiteman...and I believe in fitness.”

Asa Barnes


Asa is a husband and father along with being a Professional Elite Level Powerlifter, currently holding World and American Records: #6 Open Class Squat and #1 Master 45-49 Squat. He has dedicated 25 years to competitive powerlifting. Asa’s passion for fitness led him to become a NASM Certified Personal Trainer. His vision is to provide the best in training practices to those in need of personalized strength training. “I was instantly sold on the approach and technology at The Exercise Coach. It’s quick, safe, effective and customized.”

Jessika Portillo


Jessika grew up in Lake Tahoe, Nevada then moved to Arizona after high school. Growing up athletic and active, inspired her to want to help others become healthy and fit. So after the birth of her third child that's exactly what she did. Jessika has 8 years of boxing and kickboxing experience and had been a boxing coach for the last 3 years. But her true passion is weightlifting and strength training, which is why The Exercise Coach was the perfect fit. She has been a personal trainer for the last 4 years and is currently a certified exercise & nutrition coach. "I love The Exercise Coach because its programming is very different and unique to each individual. It's always a challenge"! "It's not what you have, it's what you give".

Matt Huntsman


Matt grew up in Pennsylvania and moved to Arizona in 2011. He is a US Military Veteran (Army). He served for 4 years and was stationed in Massachusetts and South Korea. Matt has a Bachelor’s degree in Sports Management and a Master’s degree in Exercise Science and Promotion. Matt is CSCS and NASE (Speed Coach) certified. In addition to being a trainer at The Exercise Coach, he is the Head Strength Coach at Phoenix College for Men’s Basketball and Women’s Volleyball. For 9 years, Matt was the Assistant Strength and Conditioning coach at Juanita College. Matt has been a part of 8 collegiate national championships, with the most recent being in 2014. Matt believes in The Exercise Coach because of its uniqueness and advanced fitness technology. “Discipline may be uncomfortable but the rewards are fruitful.

Joshua Castilleja


Joshua is originally from California, but moved to Arizona to attend Arizona State University in pursuit of a degree in engineering. After several years of studying engineering, Joshua discovered his passion for fitness and opted to make a career change. He earned his degree in Exercise and Wellness from ASU and is also certified as a Strength and Conditioning Specialist through the National Strength and Conditioning Association (NSCA-CSCS). For the last 8 years, he has also trained and competed in Brazilian Jiu Jitsu and currently holds the rank of purple belt. After having been an athlete all of his life, Joshua is excited to help each and every individual reach their fitness and health goals. “It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena.”

Kara Kelly


Originally from Cincinnati Ohio, Kara spent her youth swimming competitively and became heavily involved in triathlons in college. After spending 25 years competing in endurance events, Kara understands the importance of rest, recovery, and avoiding overtraining. Through her lifelong journey in fitness, she brings a strong passion for engaging in smart, safe, and effective strength programs that are available for everyone and that can meet them where they are. Kara’s specialties includes: educating and helping clients that are beginners, recovering from injury, or don’t like (or understand!) strength training. “Life is just better when you’re strong!”

Erik Efsen


Erik grew up in New Jersey, moved to California in 2015, and now resides here in Arizona. Years of track & field, playing baseball, and competitive wrestling sparked a passion for health and fitness for Erik. He has been a certified Personal Trainer for over 9 years, and enjoys nothing more than helping people become the strongest version of themselves. " The ability to physically change someones life for the better is just too rewarding"

Amanda Coe

Franchise Owner

Amanda is the owner of The Exercise Coach - North Scottsdale. Amanda graduated as a Fulbright Scholar from Harvard University and spent most of her career in government. She came to the Phoenix Valley via Canada (the warm weather called her). She was diagnosed with Ulcerative Colitis in 2006, which caused her to be more aware of her body and take steps toward a healthier lifestyle and ultimately jump into the fitness world. Amanda plans to open multiple studios in the Valley and is excited about establishing The Exercise Coach brand in Arizona. "We are changing lives, 20 minutes at a time!"

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10101 E. Bell Road Suite 113 Scottsdale, AZ 85260


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