About us!

Dan Wirth MA, C.S.C.S.

Dan Wirth, a co-owner of Fitrex.com and the developer of all its training programs, has a Master's degree in Exercise and Sports Science from the University of Iowa and is certified by the National Strength and Conditioning Association as a Strength and Conditioning Specialist.

He is also certified as a Level 1 Club Coach by the United States Weight Lifting Federation. Over the last 11 years of his career, Dan has helped people from ages 12 to 92 years to reach their personal fitness goals. He is currently the Director of Strength and Conditioning at the University of Arizona, a position he has held since 1994. Dan has developed strength and conditioning programs for numerous All-Americans and Olympic champions in Swimming, Golf, Basketball, and Football, as well as world record holders in Power Lifting. Personally, Dan holds state titles in both Power Lifting and Olympic lifting including the 1999 Arizona State Olympic Lifting Superheavy Weight Division title, and the 1998 John Davies Memorial Olympic Lifting Superheavy Weight Division title

Dan's earlier titles include several Drake Relays Bench Press competition titles (1981, 1982 and 1983), and the Iowa State Power Lifting Championship (242 lb. Teenage Division, 1984). He trained the University of Arizona Wildcats 1997 NCAA National Champions in Men's Basketball and the 1998 Arizona Wildcat Football team with a 12 - 1 record and a #4 national ranking. Dan is also an owner and Fitness Director of Select Fitness Personal Training. He has successfully designed programs for over 1,200 clients in the three years the company has been in existence. Dan currently lives in Tucson with his wife Beth and their 2 children.

Marc Jablonski

Marc is the visionary behind the StrengthEngine.com Advanced Trainer Pro. He has over 15 years of entrepreneurial experience and extensive hands-on knowledge of the fitness industry. The StrengthEngine.com Advanced Trainer Pro evolved from Fitrex.com, a web based product based on CyberTrainer, an award winning touch-screen kiosk for fitness clubs created by Marc in the mid 1990's. The kiosk generated 12-week interactive fitness programs based on user-supplied information and fitness goals. In addition, it featured over 200 narrated exercise video demonstrations, 500 healthy recipes and a 28-day custom meal planner. CyberTrainer won "Best New Product" in the 1994 IHRSA trade show in Chicago. The subsequent product, Fitrex.com currently boasts over 50,000 members and has become the clear leader among all consumer web based and software based strength training products. Marc also has a strong background in the personal training industry. In January 1996, Marc co-founded Select Fitness, a personal training company with two locations in Tucson, Arizona. Since its inception, Marc has been instrumental in building Select Fitness into one of the top grossing personal training companies in the Southwest employing 11 personal trainers. Marc was responsible for a 400% increase in revenue in the last three years. His role in Select Fitness includes:

  • Strategic planning for marketing and brand awareness
  • Development of proprietary personal training business mgmt software
  • Client relations
Marc leveraged his experience by consulting with several fitness clubs on the implementation of successful personal training programs. Marc conceived and co-hosted the "Fitness Forum" with Dan Wirth, a live one-hour radio call in show on health and fitness. The show aired every Saturday morning for almost four consecutive years and was the driving force behind the growth and awareness of the Select Fitness brand. The Fitness Forum was the #1 listened-to radio talk show in it's time slot.

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