Dr. Mastrich has had the pleasure of working with esteemed colleagues, athletes, and professionals. Below is a selection of testimonials regarding their experience of working with Dr. Mastrich.

In my career as an athlete, I constantly searched for new approaches and new avenues to improve my performance. In a sporting era that has tempted athletes to choose the wrong path, there are still ways to improve yourself without resorting to unethical choices. My decision to meet and consult with Dr. Mastrich regarding my athletic career was very helpful, and I HIGHLY recommend that any athlete who takes their performance seriously would avail themselves to his services.
—Dan Beery

  • Member, U.S. Rowing & U.S. Olympic Team
  • Silver Medalist, Men’s Two+ 2002 World Championships
  • Gold Medalist, Men’s Two+ 2003 World Championships
  • Gold Medalist, Men’s Eight+ 2004 Athens Olympics
  • Gold Medalist, Men’s Eight+ 2005 World Championships
  • Gold Medalist, Men’s Four+ 2007 World Championships
  • Gold Medalist, Men’s Eight+ 2007 Pan-American Games

If you are searching for ways to increase your level of concentration look no further. With the help of Dr. Jim Mastrich I have been able to become the consistent World Champion Skeet shooter I knew I could be. With his knowledge and guidance I have been able to obtain my goals while being true to myself
—Holly Paul

  • 11 time All American Skeet Team Member
  • 9 time Gold Metal World Champion
  • 8 time Sliver Metal World Champion
  • 7 time Bronze Metal World Champion
  • 2009 National Skeet Shooting Hall of Fame Member