About
About TweakFit
TweakFit is a blog dedicated to helping you achieve your optimum fitness level. Here you can find tips, useful links, product reviews, and more in the areas of exercising, nutrition, injury care, health, and wellness.
Who’s Behind TweakFit?
Thaya Kareeson: Author and Founder
Growing up, Thaya always had issues with his fitness level. In the past, he has tried many workout routines, crash diets, and supplements with little or temporary success. His weight was wavering dramatically between 185 lbs. and 240 lbs. His blood pressure and cholesterol levels were often above the norm.

Thaya at 240lbs.

Thaya at 195lbs.
240 lbs. with 39% body fat at age 25, Thaya realized in August 2008 that he needs to stop this unhealthy cycle. He then started researching and following new workout concepts, healthy/sustainable diets, and safe nutritional supplements. One year later (August 2009), he weighed in at 195 lbs. with 21% body fat. His goal is to reach 175 lbs. at 14% body fat by August 2010.
After sustainable success, Thaya decided to launch TweakFit.com in September 2009 to share his insights of tweaking his fitness level, while hoping to help many others that may have the same problem he did.
Feel free to connect with Thaya Kareeson on any of the following social networks.
Stephanie Adams: Author
My background is in sports medicine and athletic training. I have worked with mostly elite female athletes at UCLA: following the Women’s Waterpolo team and Gymnastic’s team, both of which have many NCAA championships under their belts. I also traveled with the men’s Track team and worked over 2000 hours in the athletic training clinic.
I am a certified massage therapist and have worked for period of time under a Chiropractor who was a marathon coach. Most of the patients we saw were people interested in leading an active and healthy lifestyle and often times I would give nutrition counseling or stretching and workout advice.
Currently, I am studying to get my Doctorate in Physical Therapy through the UCSF-SFSU Graduate Program and conducting research on exercise equipment testing for NASA.
In addition to being an uber nerd, I participate in every athletic thing on the planet! Other random things I do: teach sailing lessons at Cal Sailing Club in Berkeley, play competitive Kickball for WAKA, I am on an adult league soccer team, I am a definite outdoor, hiking/ biking enthusiast and know how to make it fun for anyone at any level. Also, I make any excuse to travel, and have a ton of good advice for exercises on the go or while away.
Peter Rumford: Author
I graduated in 2006 from Westmont College in Santa Barbara with a B.S. in Kinesiology. While at Westmont I was a student athletic trainer for the men’s soccer team. After graduating I got my C.S.C.S. through the National Strength and Conditioning Association and began working as a personal trainer. I have worked with kids, geriatrics, collegiate and professional athletes, and everything between. I am currently in school at UCSF/SFSU for Physical Therapy.
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