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Meet our bloggers

NIFS Bloggers

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Masie Duncan, BS, ACE-CPT, FMS

Contact: 274-3432 ext. 226 or emailMasie-1

I graduated from Indiana University with a BS in Health Fitness Specialist. My certifications include Personal Trainer through the American Council on Exercise and the Functional Movement Screen.

During my time at IU I was a member of the Women’s Rugby Club, and competed in the BIG10 conference. I was lucky to end my playing career by qualifying and playing in the Final Four Tournament for the USA Rugby National Championship Title. Growing up playing various sports and then eventually playing rugby for 9 years has helped fuel my passion for health and fitness. It is my goal to inspire people to find joy and have the same enthusiasm about being active and healthy as I did about working towards becoming a better rugby player.

I am also the Ramp Up to Weight Loss Coordinator here at NIFS .

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Darius Felix, BS

Contact: 274-3432 ext. 262 or email.Darius-blog.jpg
Training Philosophy: “The Dictionary is the only place where SUCCESS comes before WORK”. Therefore, you will have to put forward the proper time and effort in order to achieve your fitness goals. I believe in order to look like an athlete you should train like an athlete. Training involves more than walking past a machine you have done before and completing as many sets as you can until your limbs fall off. Instead you must strategically plan and carry out exercises that will maximize your results and performance.  I incorporate heavy lifting, speed and agility, as well as concentrated focus on proper technique with every individual I train with.
Fitness training has never been a job to me, it has always been my passion. Towards the end of my sophomore year at Indiana University I became very busy with school and work which eventually lead to me gaining 55lbs from the beginning of my freshman year. Frustrated with my physical appearance I decided to take my training to the next level. Using various exercise modalities I put together a system that helped me lose excess body fat while gaining lean muscle at the same time which got me into the best shape of my life. I am here to help others achieve results similar to mine, while also highlighting all the positive aspects of being physically fit.

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Contact: 274-3432 ext. 262 or email.rick-new.jpg

Rick began exercising at age ten by lifting scrapes of steel (in place of dumbbells and barbells) that his uncle brought home from his factory job. This marked the beginning of his quest for the fitness Holy Grail. Fifty-eight years later, the quest continues. The journey has traveled through the worlds of bodybuilding, power lifting, martial arts, distance running, cycling and a thirty year long involvement with rowing. All of this “doing stuff” was supported by a life long study of exercise physiology, bio-mechanics, exercise program design and nutrition.

Rick is currently certified by the National Strength and Conditioning Association (NSCA) as a Certified Strength and Conditioning Specialist (CSCS) and Certified Personal Trainer (CPT), High Intensity Kettlebell & Fitness (HIKF), Certified Kettlebell - Functional Movement Screen (CK-FMS) and World Kettlebell Club - Fitness Instructor, Lifting Coach, Strength Specialist, Kettlebell Competition Coach (WKC), 10 times Kettlebell Lifting Champion and Honored Master of Sport, Valery Fedorenko, and is one of just a handful of Master Trainers in the United States for 
(WKC). Former Russian Kettlebell Certified (RKC) 2002 to 2013, one of the first Kettlebell Instructors in the country and the first in Indiana.

Rick also has extensive study in Low Back Disorder and Exercise, and also has a focus on training the Aging Active Adult.

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Kaci Lierman, BA, NSCA-Certified

Contact: 274-3432 ext. 262 or email.

I have been personal training since 2012 and have worked with a variety of clientele from athletes to
older adults. I enjoy helping my clients reach their fitness goals. Let me help you reach your
health and fitness goals!




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Thomas-2.jpgThomas Livengood, BS, ACSM-CPT

Contact: 274-3432 ext. 419 or email

Training Philosophy: The focus on purposeful, goal oriented exercise through meaningful and thorough
instruction is key for an individual seeking professional help while pursuing a lifestyle of healthy
fitness and wellness.

I want your experience here at NIFS to not only help you achieve fitness prosperity, but also develop
self-motivation and core fitness values.


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Tony Maloney, BS, ACSM HFS

Contact: 274-3432 ext. 260 or email.TonyPushupnew

Training Philosophy: "There are Two Types of Pain in this World: The Temporary Pain of Discipline, or the Permanent Pain of Regret"   -- anonymous

I will show you what you are capable of through fitness sessions packed full of cutting edge and proven methods designed specifically to help you reach your desired outcomes. Adding your commitment and tenacity to my expertise and motivation, we will make a great team.

I am also one of the Fitness Center Managers here at NIFS, and teach Small Group Training classes.

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Rebecca Heck, BS, FMS

Contact: 274-3432 ext. 263 or email.Rebecca-blog.jpg
Training Philosophy: “Be stronger than your excuses.” Having enough time is one of the top excuses for not achieving or acting on a desired goal. My job as your trainer is to help you set specific goals and help you learn how to train safely and efficiently to achieve them… your job is to give me the time and dedication. I believe that these aspects combined with a healthy attitude for learning will not only bring you the success that you want, but show you how many things your body is truly capable of doing when you set your mind to achieving them.  

I graduated Indiana University Bloomington in May 2014 with a BS in Kinesiology and minors in Exercise Science and Fitness Specialist. I grew up dancing since the age of 3 and then danced competitively for about 13 years after that. I enjoyed it so much I went on to IU to study contemporary modern dance at IU in their School of Public Health. As I grew up, I feel that I have been taught many different techniques on how to move the body, in which by college I learned can either enhance or hinder the abilities of the body over time. These experiences along with a genuine passion for working with people have led me to pursue a career in the fitness industry, allowing me to study movement and help others find the best ways to enhance their bodies’ abilities and work towards personal fitness goals.

I am also the Group Fitness Coordinator and Certified PiYo Instructor here at NIFS.

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Angie Mitchell, RD

Contact: 274-3432 ext. 239 or email.angie-new

I am the Wellness Coordinator for the Center for Educational Services within the National Institute for Fitness and Sport and a Registered Dietitian.

I completed my Bachelor of Science degree in Dietetics and Nutrition, Fitness, and Health from Purdue University and my dietetic internship at IU Medical Center in Indianapolis. I am certified by the American College of Sports Medicine as a Health/Fitness Specialist® and also by the Academy of Nutrition and Dietetics in Adult Weight Management. My areas of expertise include wellness, weight management, and meal planning.

I develop educational materials, implement programs, teach group wellness classes and deliver presentations to various groups on nutrition and fitness topics related to healthy eating, weight control, and disease prevention. I enjoy various forms of exercise and have completed several half-marathons.
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Kris Simpson, BS, ACSM-PT, HFS

Contact: 274-3432 ext. 211 or email. Kris new

Training Philosophy: Define your limits, and I will help you break through them. I look forward to assisting you reach your fitness goals. As a personal trainer, I work with and accommodate any fitness level. I believe that we are all athletes, just at different levels! It's never "hard" just challenging. Let me challenge you to get fit!

I have a B.S. in Nutrition from Michigan State University and hold certifications from ACSM in Personal Training and Level 1 Coaching from USA Triathlon. I work with anyone looking to CHALLENGE themselves to get stronger, fitter, and achieve a goal.

I have been involved in sports since childhood. I have always looked for ways to make myself a stronger, faster and better athlete. While at MSU, I accomplished many of my goals as a basketball player.  I finished my college career as the school's all-time leader for points and rebounds. After college, I went to Sweden and played basketball professionally for more than four years.

I coached basketball at Michigan Tech University and IUPUI for a combined 14 years. As the needs of my family (husband Rick and sons Ethan and Isaac) changed, I transitioned into fitness. My passion for fitness has never wavered. I enjoy investigating the newest fitness trend to make you function better and look your best.

Kris is the creator and instructor of the "Core and More" class at NIFS and developed and leads the NIFS Triathlon Training Program.
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Alex Soller, MS, FMS, CSCS

Contact: 274-3432 ext. 263 or email.Alex-for-webnew
Training Philosophy: Exercise is a highly individualized activity that needs to be altered in order to fit your goals, needs and enjoyment. No matter your current training status, improvements can be made with proper structure. It is never too late to start!

I graduated in May 2013 with a Master of Science degree in Kinesiology from IUPUI by way of my undergraduate degree in Exercise Science from Valparaiso University. At Valpo, I played football for four years and interned with the head strength and conditioning coach. I bring the same controlled enthusiasm to your workout that I used each time I stepped into the weight room or football field.

My specialty is variety. I have experience with clients from all different fitness backgrounds and levels. I am one of the Athletic Performance coaches for the IUPUI sports teams but also have clients with different ranges of general fitness desires. No matter what you are hoping to achieve, I will guide you in the right direction.

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