Icelandic Fitness and Recovery Team

Your Health and Wellness Professionals


Jason Stone

Owner and Head Performance Coach

Jason Stone is the founder and owner of Icelandic Fitness. He grew up in a military family and had the opportunity to travel all over the world. Of all the places Jason lived, Iceland was one of the most special and inspiring, with amazing natural beauty, and a people who believe that you make your own success.

Jason with over 19 years of performance coaching in Denver, CO, specializes in strength training and conditioning, corrective exercise, nutrition, and lifestyle coaching. His individualized and integrative programs have helped people of all ages and abilities improve performance, prevent injuries, and feel better.

Jason is committed to helping his clients as one of the top strength, conditioning and rehabilitation experts in the Denver area. His goal is to work with you to bring about life-changing results, whether it’s a 100 or a 10-pound weight loss, conditioning to hit a better golf drive or run a marathon, or just improve your movement and flexibility.

Jason Stone has worked with MLB, NFL, UFC, and PGA Tour professional athletes.


  • BS University of Florida, Microbiology and Chemistry

  • Muscle Activation Techniques

  • RTS Training Specialist

  • ISSA Certified Strength and Conditioning Coach

  • Golf Fitness Specialist

  • Crossfit Level 1 Certification

  • Kendal Yonomoto Golf Medball training

  • EXOS Training formerly Athletes Performance

  • RacquetFit Certified

  • 19 Years of coaching experience

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Jamie White

Personal Trainer and Head Golf Professional

Jamie is co-owner of Denver Golf Performance where he specializes in functional movement training and instruction.  Jamie is Colorado’s highest ranked Titleist Performance Institute coach with over 19 years of instruction and personal training.  Jamie has worked directly with some of the biggest names in golf performance including Jason Glass, Premier Fitness Systems, the Gray Institute, and Trackman.  His philosophy for golf evolves from the body.  From physical ability comes mechanical efficiency.  Jamie’s programs always incorporate a fitness component that relate to the swing adjustments. Jamie has worked with professionals from the PGA/LPGA, NHL, WLD, aspiring amateurs, and the casual player.  Jamie’s professional credentials in golf extend beyond instruction, with many certifications from prestigious organizations.

  • Titleist Performance Institute Level III Golf, Fitness, Junior

  • Gray Institute- Functional Golf Specialist, AFS, 3DMAPS

  • Trackman Level II

  • ACE-Personal Trainer

  • Precision Nutrition Coach

  • FMS

  • TRX- Functional Trainer

  • KVest and BodiTrak Certified

Andy Marchase

Personal Trainer

Our bodies are designed to function well with movement, and daily activities that include movement should be maintained throughout our lives. The possibilities for training the body are endless.  Fitness enriches our lives.  Improve your fitness level and improve your quality of life.

Lets work together to enhance your quality of life by improving your physical confidence and coordination through foundational strength training, posture management, and balance training.  

I’m a NASM certified personal trainer with over 12 years of experience.  In addition, I’m a NASM Corrective Exercise Specialist, and certified in functional movement through Gray Institute.  

Yata Williams

Personal Trainer

The body is designed to move therefore, the more we move the better we feel".

Hello my name is Yata Williams and I have been a personal and small group fitness coach since 2002.

With client needs ranging from youth sport specific training, pre - post natal fitness, balance and stability, and post physical therapy. I  believe and preach that there is fitness/activities for everybody. I also believe that fitness should be fun and is an integral part of life. 

I had the honor to serve on the Board of Directors for The Colorado Neurological Institute from 2015 - 2018.

I am currently serving on the Board of Directors for Doctors Care 2019 - present as well as a  Board of Directors for The Knobel Institute for Healthy Aging.

On all past and current Boards I have taken on a "boots on the ground "  approach. By connecting with patients, talking to and encouraging support groups, and organizing and participating in patient fitness/ wellness events .

Dr. John Paul Krueger

Medical Director

Dr. Krueger grew up in Missouri and attended undergraduate studies at Missouri State University before studying medicine at the University of Missouri in Columbia. After completion of a residency in family medicine with the University of Colorado, he worked for many years with community health centers of the Boston area. As he became disenchanted with the practice of medicine, he was accepted into a fellowship in integrative medicine for underserved where he was trained in medical acupuncture and group visits. Staying on as faculty, he continued to practice medical acupuncture, while pursuing and incorporating osteopathic medicine and functional medicine as an adjunct to better approach the concept of health for his patients. After returning to Colorado, he recently became the first MD to complete an additional training dedicated to osteopathy. Currently, he will be offering functional medicine consults, five element acupuncture consults, and osteopathic consults.

Sean Morrison

Personal Trainer

Sean Morrison is a New Jersey native that fell in love with the Colorado lifestyle since moving to Denver in 2011. Sean earned his Bachelor of Science degree in Human Performance/Exercise Science with a minor in Nutrition from Metropolitan State University of Denver. His certifications include Certified Strength and Conditioning Specialist (CSCS), Certified Personal Trainer (CPT) with The National Strength and Conditioning Association, and Titleist Performance Institute (Tpi) level one.  Sean has worked in the fitness industry since 2005, where he began his career in New York City at The Reebok Sports Club/NY. He played baseball at the collegiate level and has been a lifelong fitness enthusiast. Sean’s approach to training is to help his clients reach their fitness goals and prepare for life outside the gym, all while enjoying the process. In his spare time Sean can be found chasing his two young children around, while they work to keep him healthy and fit.


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