
Professional Bio of Wendy Yazujian ![]() |
Professional Bio of Kathy DeMarco Kathy is a certified fitness instructor who has clients in gyms in both Bucks and Montgomery Counties. After attending several sessions of Doylestown Adventure Boot Camp and getting incredible results for herself, she was thrilled to be given the opportunity to be the fitness instructor at the new Montgomery County Adventure Boot Camp. Using proven exercise techniques along with enthusiasm, empathy and fun, Kathy eagerly teaches her clients how to become fit and healthy and to hopefully really enjoy their workouts. She loves learning new exercises and keeping current on the latest fitness news and passing that information on to her clients. Be warned, however, that she can – and will – talk about working out to anyone who will indulge her! Kathy has certifications as a National Exercise & Sports Trainer’s Association, NESTA Adventure Boot Camp Instructor, Adventure Fitness Trainer, Group Fitness Trainer, Fitness Nutrition Coach and Kid’s Nutrition Coach. She also has certifications as an International Sports Sciences Association (ISSA) Personal Trainer and Youth Fitness Trainer. |
![]() |
Professional Bio of Cherie Oostdyk Cherie Oostdyk has been involved in the fitness field for over 20 years. She obtained her BS in Kinesiology and Nutrition at the University of Illinois. She has her Masters degree in Psychology and Counseling and works as a Mental Health Therapist. Cherie has worked as a nutritional therapist and personal trainer, certified through NASM since 1987. She was director of rehabilitation at Gold’s Gym in New Jersey as well as instituting a child obesity program beginning in 2005 until the present. Cherie lives in Solebury, PA with her best bud, Jordan, a 10 year old black lab who is also her running partner. She also enjoys yoga and biking in her free time. |
Professional Bio of Dr. John Spencer Ellis
Each week, over one million people around the world enjoy a fitness program created by John Spencer Ellis. His fitness programs are implemented in the top resorts, spas and health clubs. John is the President of NESTA (National Exercise & Sports Trainers Association) and the Spencer Institute for Life Coaching. These two professional associations have 45,000 members in 30 countries. John is on the Advisory Boards of the National Health, Wellness and Prevention Congress, Exercise TV, Conference for Healthy Living, Irvine Valley College, Get America Fit Foundation, and is a Fellow of the National Board of Fitness Examiners. He is the author of "How Badly Do You Want It? - Your Ultimate Guide to Optimal Fitness," and a contributor to "Power of Champions." He created Adventure Boot Camp, the largest fitness boot camp program in the world. His signature series of outdoor fitness equipment is used in communities worldwide. John has been featured or quoted in every major fitness publication, and held the post of Fitness Editor for OC Flair magazine. John has been featured on NBC, CBS, PBS, SPIKE,
ESPN & Bravo. He serves as an on-air expert for Life & Leisure Television and Health Journal Television with General Norman Schwarzkopf. He is the producer and host of The OC Body on The Healthy Living Channel. John is a Nautilus sponsored athlete and stars in the workout DVDs Playground Boot Camp™ & Kung-Fu Fitness™. John created the fitness program used by the U.S. Secret Service and he consults the UFC (Ultimate Fighting Championships).
John has been continuing his professional education since 1987, and holds bachelors degrees in business and health science, an MBA, and a doctorate in education. He is currently completing a second doctorate in naturopathy. He has fifteen certifications including massage therapy, plyometrics, self-defense, fitness kick boxing, fitness boxing, water fitness, exercise rehabilitation, golf conditioning, Pilates, personal training, clinical hypnotherapy, sports hypnosis, PACE circuit training and yoga. He holds a 2nd degree black belt in kung-fu, has completed the Ironman triathlon, and finished 5th at the U.S. National Biathlon Championships. His medical training includes a license in radiological technology, a medical assisting certification, and training in McKenzie rehabilitation. John was nominated for the California Community College Distinguished Alumni Award.