Mark Philippi, CSCS

Owner & Director of Performance Training
Mark is a nationally recognized Strength and Conditioning Coach with 20 years experience both in the collegiate and private settings. He has helped over 5,000 college and professional athletes of all types and ages achieve their sports performance goals. Before opening PSI in 2007, Mark was the Director of Strength and Conditioning at UNLV for 15 years. He was responsible for overseeing the sports performance programs for over 400 athletes each year. While at UNLV, Mark also developed and instructed the NSCA recognized strength and conditioning academic program for the UNLV kinesiology department.
An accomplished strength athlete, Mark won the World Drug Free Powerlifting Championships in 1996, won America’s Strongest Man title in 1997, has appeared on the World’s Strongest Man television Show seven times, and traveled the world and competed in over 100 international strongman competitions. Mark has appeared on the National Geographic tv show, written or appeared in Men’s Health, Men’s Fitness, Sports Illustrated, the New York Daily News, Las Vegas Life, Powerlifting USA, Milo Magazine, Muscle and Fitness. Mark has lectured all over North America on coaching, motivation, strength training and conditioning. Some of the athletes who have trained under his direction include: Jason Giambi (MLB), Troy Tulowitzki (MLB), Dexter Fowler (MLB), Josh Johnson (MLB), Al Harrington (NBA), Jermaine O'Neil (NBA), Wilson Chandler (NBA), Deryk Engelland (NHL), Montell Griffin (Box), Mike Wahle (NFL), Ryan Claridge (NFL), Shawn Marion (NBA), Marcus Banks (NBA), Jon Drummond (TRK), Sam Brandon (NFL), Kevin Thomas (NFL), Keith Washington (NFL), Jerry Reynolds (NFL), Lonnie Palelei (NFL), Mike Flanagan (NFL), Kylie Wong (NFL), Joe Hawley (NFL), Frank Mir (UFC), Gray Maynard (UFC), Stephon Bonner (UFC)and Renaldo Wynn (NFL).

Tracey Philippi, BSN RN, AFPA, FLT, NASN

Owner and Director of Sports Nutrition & Functional Medicine
Tracey has over 20 years of combined experience in critical care nursing, cardiac rehabilitation, sports training and sports nutrition. Tracey has a Bachelor of Science in Nursing from Montana State University, she is certified AFPA Cardiac Rehabilitation/Special Population trainer, a certified FirstLine Therapy Practitioner, and a Licensed Sports Nutritionist from the National Association Sports Nutrition (NASN). The NASN is the only licensed sports nutrition organization that is recognized by the Board of Registered Dietitians, and can advise and develop sports nutritional programs. As a FirstLine Therapy practitioner, Tracey utilizes functional blood testing to evaluate micronutrients, amino acids, immune function, hormones, food sensitivities, and gut function while developing individualized nutritional programs. She has developed nutritional programs for many professional athletes including: Jason Giambi (MLB), Troy Tulowitzki (MLB), Josh Johnson (MLB), Reynaldo Wynn (NFL), Joe Hawley (NFL), Frank Mir (UFC), Vitor Belfort (UFC), Stephon Bonnor (UFC), Deryk Engelland (NHL), Greg Estandia (NFL), Jonathon Compas (NFL), Troy Tulowitzki (MLB), Dexter Fowler (MLB), and Al Harrington (NBA) Jermaine O'Neil (NBA), Wilson Chandler (NBA).
An accomplished athlete, Tracey is a 7-time multi sport All State Champion (Montana), and has been inducted to the prestigious Butte, Montana Hall of Fame 6 times. Tracey has also competed as an elite aerobic competitor previously winning the Crystal Light Western Regional Championship.
Tracey and her husband Mark are and blessed with five children Marc, McKayla, Zach, Jacque, and Wynn.

Alonzo Freeman

Facility Director
Alonzo is responsible for the daily operation of the PSI facility and keeping PSI on the cutting edge of training. His background combines a wealth of both athletic and academic experience and knowledge. Alonzo was a standout UNLV linebacker and an exceptional student earning both his BS and MS in kinesiology at the university.


Chris Westover, LPSN, CSCS, FLT

Sports Nutritionist, Performance Coach
Chris, aka “C-3” graduated with honors from Milwaukee School of Engineering with a B.S. in Mechanical Engineering with an emphasis in biomechanics. Is the resident early morning coach and nutritionist for the Performance and Weight-loss/Anti-aging nutrition programs.


Dr. Aric Cruz

Director of Therapy Clinic
Dr. Aric Cruz directs the therapy clinic at PSI. Dr. Cruz has experience treating athletes of all ages and experience levels. In addition to treating collegiate athletes at Stanford and UNLV, Dr Cruz has treated athletes from: MLB, NBA, NFL, CFL, AFL, NHL, PGA, MMA, boxing, Olympic teams, and International Strongman Competitions. A Chiropractic Physician and a Certified Strength coach Dr. Cruz utilizes many recovery techniques in his practice and is level 2 certified in SCENAR therapy.


Debbie Miller

Office Manager
Debbie has a B.S. in accounting from Montana State. She has 20 years experience as a C.P.A. Her son Cody and daugher Catie are both PSI clients who qualified for the 2012 U.S. Olympic Swim Trials this summer in Omaha, Nebraska.