Meet Our Trainers

Mark Andersen

Personal Trainer

Mark is dedicated to providing an exciting workout that not only meets, but exceeds the needs and goals of his clients. Mark is a Certified Level 1 USAT triathlon coach, NASM certified personal trainer, and ACE certified group fitness instructor. With over 15 years of experience racing Ironman Triathlon, Mark has been coaching triathletes for over 5 years and trains athletes for obstacle races. Mark specializes in weight loss, sports-specific training, boxing, triathlon, biathlon, and marathon training. He is also passionate about helping individuals with Parkinson’s disease improve their quality of life through personal training, as well as the Rock Steady boxing program which he teaches in Glen Ellyn and Elgin.


Kristin Bauder

AFAA, BS Sports Medicine
Personal Trainer

Kristin is committed to helping individuals of all fitness levels by developing programs that can be adjusted over time for a life-long focus on improving strength, function, and endurance. She feels that fitness can fit into any schedule and lifestyle. After 25 years in the health and fitness industry, Kristin has experience training clients with every need and ability level, from teens and athletes to seniors. She has a degree in Sports Medicine from North Park University, and worked as an athletic trainer, a senior fitness specialist, and has trained individuals with a variety of special needs and considerations. Kristin specializes in balance training for middle age and seniors, post-injury or surgery workouts, and developing long-term health goals.

Gina Gilchrist

Dietician / Nutrionist

Gina believes in a client and family-centered approach, and individualizes her nutrition recommendations and treatment plans based on achievable goals and the needs of the individual or family. Her passion is working with weight management clients (over or underweight) and food allergies. Gina is a board certified Dietitian/Nutritionist through the Academy of Nutrition and Dietetics and the State of Illinois, with over 18 years of experience providing nutrition therapy. She has a broad background including both acute and long-term adult and pediatric nutrition care, weight management, diabetes nutrition research, and workplace health/community wellness. In her years of practice she has worked closely with preemies, athletes, celiacs, vegetarians, diabetics, cardiac clients, and those seeking overall health and wellness. She has also completed certification courses in Motivational Interviewing and Weight Management.

Christiana Green

Personal Trainer

Christiana believes that fitness is for everyone. It is her passion to help her clients build a positive relationship with their bodies and exercise, and to empower them with the tools needed in order to reach their fitness goals. Christiana has taught Zumba since 2012, and is certified through the American Council of Exercise in personal training. Christiana danced for many years of her life, and is currently a competitive bodybuilder. She hopes to use the knowledge and experience gained in her own athletic training to better assist clients in achieving the results they desire.

Mary Clare McNulty

Personal Trainer / Yoga Personal Trainer

Mary Clare has been personal training for over twenty years. She enjoys working with clients to build muscular and cardiovascular strength to improve function and general well-being. Mary Clare has been teaching yoga for 13 years and practicing for 17 years. She believes that “yoga meets you where you are” and she places an emphasis on alignment and the safety of her students. She also uses yoga as a tool for recovery from sports, working out and the daily efforts of life. Mary Clare is a certified personal trainer and group exercise instructor with the American Council on Exercise (ACE). She is a 200 hour certified yoga teacher (CYT) and is currently finishing her 500 hour certification with Prairie Yoga in Lisle, IL. In addition, Mary Clare holds a degree in sport management from National Louis University.

Amy Sheehan

Personal Trainer

Amy is currently responsible for heading up our New Member Orientation Program and conducts monthly fitness center orientations at both of our fitness centers. She strives to provide new members with the tools to begin their fitness journey and help familiarize them with all of the amenities we have to help them succeed. Amy is passionate about creating fun, safe and effective exercise programs for clients of all ages. She draws on her years of experience to educate her clients on how to make small lifestyle changes and find creative ways to make time for fitness in today’s busy culture. Her own journey of health, and her life experiences as a working mother of five help her to relate to her clients’ desires and struggles. Through personalized, goal-orientated fitness programming, encouragement and accountability, Amy hopes her clients learn to embrace her training philosophy that fitness is a lifestyle and a journey towards achieving overall health, not just a number on the scale. Amy also holds certifications in TRX Suspension Training, Tabata Bootcamp, and Ballet Barre. She has trained for numerous races from 5Ks to half marathons, and has participated in Crossfit competitions.