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Who We Are

Dalton Rohr


General Manager

Credentials: BS, CPR/AED, MOB, DartFish


General Manager Dalton Rohr is the newest addition to our team, at Peak Performance Gym. He has obtained his Bachelor's of Science in Exercise Science from ISU, Certified in DartFish (Sports Performance Analysis), Certified Matter of Balance Coaching, and CPR/AED certified. Dalton has recently worked for LA Fitness for the past four years as the Personal Training Director of the Avon and Greenwood locations and assisted in the results of hundreds of clientele. He takes great pride in being a fitness business professional. We're happy to have him on our team and we look forward to growing Peak, together!

David McMannus

Lead Trainer/Consultant

Credentials: MS, MSCC, USAW, CPR/AED

Master Coach David McMannus joins the Peak Performance team as the lead trainer and professional consultant. With over 20 years of experience in the field of Strength and Conditioning, his knowledge and experience are a great asset to our organization.

Coach McMannus is a member and certified master coach of the Collegiate Strength and Conditioning Coaches Association (CSCCa). Coach McMannus is currently entering his twelfth year as Director of Strength and Conditioning at Indiana State University. At ISU he oversees the design and implementation of the strength, conditioning, and nutrition programs of all 16 teams and over 350 student athletes. He has aided the Sycamores with numerous Missouri Valley Conference Champions, All-Americans, National Champions and Professional Athletes (NFL, MLB, Nike).

Before taking over as Director of the Sycamore Strength & Conditioning program, Coach McMannus accomplished two professional NFL Internships with the Chicago Bears and the Indianapolis Colts under the tutelage of Rusty Jones and Jon Torine, respectively.
McMannus attended ISU where he played football and earned his bachelor's in exercise science and Master of Science.

Mikala Atkinson

Personal Trainer
Credentials: BS, CPR/AED

Mikala joins the Peak Performance Team as one of our personal trainers. She is a Hoosier native and grew up locally, in Brazil, IN. She attended Indiana State University interning here, at Peak Performance and in Cookeville, TN at CrossFit Mayhem. In 2020, she obtained her BS in Exercise Science. Mikala's mission is to show people of all ages that working towards a healthier lifestyle can be fun and rewarding.

Hannah Willett

Personal Trainer

Credentials: BS, MS*, CPR/AED

Coach Hannah Willett joins the Peak Performance Team as one of our personal trainers. She grew up in Monrovia Indiana. In 2021, she obtained her Bachelor’s degree in Exercise Science and is currently in Masters Program for Exercise Science and she will obtain that in May of 2023. She's a Graduate Assistant for the Exercise Science program who instructs PE101 currently. Outside of school and training, she likes to go hiking, kayaking, biking, and hanging with friends and family. She has her CPR/AED certification, as well! Her mission is to achieve and direct those that are wanting to change their lifestyle into a healthy lifestyle because it is satisfying and enjoyable! 

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