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The Challenge is set...


Welcome to the Challenge Fit AZ site; home of Sean Neff's Challenge Fit AZ and Freda Neff's Weigh of Life Nutrition.  We strive to be your one-stop-shop for all of your certified fitness, nutritional, and overall health and wellness needs.  Specializing in those who need a deeper connection with their health and wellness professionals; getting great results with those who have more challenging health scenarios and/or special needs, improving the skills and fitness of young athletes,  fulfilling the needs of busy executives as well as the confidence and shapes of brides and grooms to be. We would love to take care of you as we take you to the next level and beyond. 

Challenge Fit LA Sean Neff Personal Trainer
Sean Neff/Owner
Freda Neff Weigh of Life Nutritionist
Freda Neff, MS CN

Sean Neff specializes in Rehabilitative Fitness/Wellness, youth mentorship through fitness as well as full family fitness and Executive Wellness.  Sean was a Westside Los Angeles in-home personal training staple for over a decade.  Beginning as a member of Angela Parker's fabulous Body Inspired Fitness team in 2004 as the former head of Men's fitness for BIF and the leader of the well-received Beachside Sports Cardio classes; Sean has had quite a following along with tremendous amounts of word of mouth referrals for private fitness training for people from ages six to ninety-two.  With over a dozen certifications (and more on the way each year), this certified Master Health and Wellness Coach takes great pride in the fact that his clients often stay with him for years at a time and absolutely love their results!  From individual instruction with clients challenged by Multiple Sclerosis, Parkinson's Disease, strokes, asthma, obesity, Cerebral Palsy, post-surgery needs, and Asperger's Syndrome to full competitive team athletic training up to the University level; Sean continues to leave his personalized imprint on the fitness levels of all whom he instructs.  

Freda Neff is a certified Nutritionist through the National Exercise and Sports Trainer Association (NESTA) as a Lifestyle and Weight Management Specialist and is also a National Health Educators (NHE) Certified Fitness Nutritionist.    She also has a Masters of Science degree in Health and Nutrition Education through Hawthorn University.  Freda loves walking her clients through each step of how to make positive changes in their own nutritional plans with a wonderfully motivational technique.  Freda is a great assist for those extra complicated nutritional cases that come through the door.

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