Erik Lewish comes to the Adirondack Health Medical Fitness team after 5 years of coaching the United States Olympic Biathlon Team.  He holds a Masters of Science in exercise physiology and is a Certified Strength and Conditioning Specialist (CSCS) through the National Strength and Conditioning Association (NSCA).  He is passionate about health and human performance and understands the myriad of ways in which we can improve our quality of life through proper exercise and nutrition.  Some of Erik’s fitness interests include endurance performance, sport-specific strength, bodybuilding, weight loss, and nutrition.  When not in the gym, Erik can be found running and biking around the Adirondacks, sailing or skiing on Mirror Lake, seeking out vintage vinyl, and playing the guitar.



NATA Certified Athletic Trainer, ATC, CSCS, FMS Level 2, TPI Certified Level 2

Dino Angelopoulos, NATA Certified Athletic Trainer, ATC, CSCS has been with Adirondack Health Sports Medicine and Rehabilitation since 1998. Dino is now the Supervisor of Athletic Training Services and a fitness coach for Adirondack Health Medical Fitness Center.

Dino received his B.S. degree in Kinesiology from the University of New Hampshire in 1996 with a focus on improving sports performance through movement efficiency. As a Level Two Certified Functional Movement Screen Specialist and Titleist Performance Institute Certified, he is able to evaluate movement capabilities and provide appropriate corrective exercise strategies to help his clients and athletes perform at their best while minimizing injury potential.


Dino utilizes his knowledge of injury prevention and athletic performance to keep his clients moving at their optimum level. He believes that the body should move well before moving a lot. Whether it applies to strength training, playing sports or running, if you are not moving properly, you are not moving efficiently. If you can’t squat with proper form, you are not ready for resistance. Dino works with clients daily to help them achieve the best movement patterns to perform to the best of their ability.

Dino is also responsible for the care of the athletes at North Country Community College and Ausable Valley Central school and has had the privilege to travel with the USA Luge team as their athletic trainer. He assisted some of the best luge athletes on the World Cup circuit and maintained their health by providing manual therapy such as joint mobilization and soft tissue techniques along with managing any acute injuries that may have occurred during their training.

When not working Dino applies these concepts to his daily life with strength training, mountain biking, playing golf, trail running, xc skiing, and playing hockey. One of his favorite activities is walking his dogs with his wife Karen.

Keri Walker, Athletic Trainer & Fitness Coach

NATA Certified Athletic Trainer, ATC

Keri Walker, NATA Certified Athletic Trainer, ATC comes to the Adirondack Health fitness team from the United States Military Academy West Point.  Keri received her B.S. degree in Athletic Training from Weber State University in 2019 with a focus in Nutrition.   As a Level Two Certified Selective Functional Movement Assessment Specialist and Graston Technique Therapy Specialist (GTS) she evaluates movement capabilities and provides appropriate corrective exercises to help her clients remain active and minimize injury.  


As a Certified Group Exercise Instructor, Keri is passionate about human performance and is creative with exercises and workouts.  She specializes in Water Exercise, TRX and Balance Training, and Spinning.  


Originally from Jenison, Michigan, she retired from the United States Air Force after 23 years of active service in 2014.   Keri loves to be outside living the dream, including mountain biking, snowboarding, ice skating, and hiking.  As a Certified Athletic Trainer, she enjoys inspiring people to see the positive in life while ensuring confidence in creating workouts for any age group. 

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