Yorba Linda 5107 Richfield Rd. Yorba Linda, CA 92886 TEL. 714.854.7608
Our Staff
Douglas Yee
Performance Director | Coach | B.S. Exercise Science, C.S.C.S. dyee@catzsports.com
Douglas Yee has been working in the sports performance training and fitness industry for more than 18 years. He has designed training programs for professional, Olympic, amateur, collegiate and youth athletes. He has been conditioning consultant and coach to World Champion Savate (French kickboxing) athletes Nicole Sedmak, Michael Giordani, and Joann Wabisca, and world ranked Tae Kwon Do athlete Allen Jo. Most recently Douglas over saw the strength and conditioning for the 2008 Beijing gold medal US men's Olympic team. In the entertainment arena, Douglas has been the fitness trainer for the likes of Janet Jackson, Cher, Ray Liotta, Priscilla Presley, Vincent D’Nofrio, Rachel Hunter, Alicia Silverstone, John Cusak, Linda Hamilton, Val Kilmer, Jody Messina, supermodels Haley Mortisson and Kelli Van Halen and many other notables, preparing them to be physically and aesthetically ready for film roles, covershots and concert tours.
Douglas has been written about, contributed to, and quoted in such publications as Vogue, People, Men’s Fitness, Volleyball Magazine and Competitor Magazines. In addition, Douglas has consulted on exercise and fitness videos and has also been consultant to summer youth sports camps.
Douglas earned his B.S. in Exercise and Sports Science with a Sports Medicine concentration from Colorado State University. He is a Certified Strength and Conditioning Specialist through the NSCA. He has worked as the fitness director for two health clubs and also worked as an athletic trainer at Rio Hondo College.
Yoshinao Sasase
Physical Therapy Director | MS PT, ATC, ysasase@catzsports.com
Yoshi comes to CATZ all the way from Iwata Japan via Cal State Northridge where he earned his B.S. in athletic training and then M.S. in physical therapy. Yoshi completed his practical hours at CATZ Pasadena under the tutelage of CATZ PT founder Kevin Wentz and later directors Melissa Foley and Amado Garcia. Upon graduation and licensing Yoshi became the director of the PT program at the Yorba Linda CATZ facility.
When Yoshi was playing high school soccer he severely injured his back and found the recovery process difficult and not readily available. This proved to be the catalyst for his future career path. Upon recovery, Yoshi dedicated himself to becoming a physical therapist and helping others recover from and prevent back injuries.
Well accomplished, Yoshi has served as an ATC for USA, Volleyball men’s national team, Michael Jordan Basketball Camps and coached youth soccer and been a CATZ performance coach for two years. When he is not caring for patients you can find him enjoying time with his friends, surfing and playing soccer.
Stacie Beyer
Performance Coach | Coach | C.S.C.S. sbeyers@catzsports.com
Stacie is a local product hailing from nearby Anaheim Hills where she graduated from Anaheim Canyon High School. From there she went on to Moorehead State University in Kentucky where she was a standout track and cross country athlete majoring in Kinesiology. She is a certified strength and conditioning specialist through the NSCA.

