Team & Affiliates


 Ronette Karstens

Performance Coach
Elevation Nation Performance Instructor
Personal Assistant

Ronette has been with the Coach Rozy Team since 2015. She graduated from the University of South Dakota with her Bachelors Degree in Education.  She is currently a First Grade Teacher at the Gayville-Volin School District where she also coaches Girls Basketball.

Ronette was an outstanding athlete in high school and in college in basketball and track, still holding the HS Record for High Jump and points in a game and season. She competed and placed at State in track and played basketball in College. She has been teaching and coaching for 13 years at Gayville-Volin.  Her love for fitness, performance and developing young men and women to elevate to new levels- as well as being a driven individual who likes to work hard, focus and bring high energy to at all she does – helps her excel with the Coach Rozy Team.

Ronette has a husband, Justin who also coaches and is a part time assistant with the Coach Rozy Team. She has 3 boys, Caid, Spencer and Preston, whom she loves to spend time with and is involved with their athletic and school programs.


Kyle McKelvey, CSCS

Assistant Director  –  Performance Coach
Elevation Nation Performance Instructor

Kyle has been with Coach Rozy Performance since 2016.    He holds his M.A. in Kinesiology and Sport Science from the University os South Dakota (USD) and is a Certified Strength and Conditioning Specialist (CSCS),  also XPS Certified (Certified EXOS Performance Specialist).  He did his internship at EXOS in Texas where he worked with  30+ NFL Off-Season athletes and 8 NBA Off-Season athletes.

Coach McKelvey was Graduate Teaching Assistant of Kinesiology Department at USD while working on his Masters degree.  He also was on the USD Track and Field Athlete where he was Team Captain, Pan American Shot Put Silver Medalist (Team USA), USATF Junior National Champion, 4-time NCAA National Championship Regional Qualifier, and a State, School, and Summit League Conference Record Holder.  He also served as Volunteer Assistant for USD Spring Football Strength and Conditioning in 2015.

Aric Birkeland

Performance Coach 

Aric graduated from the University of South Dakota with a Kinesiology degree. He was an Coach Rozy assistant coach in 2017 & 2018. He also was an intern for the University of Purdue Strength & Conditioning were we worked with multiple athletic program during his time there. Coach Aric is currently pursuing his Certified Strength & Conditioning Specialist (CSCS) certification, as well as, a Master’s degree in Kinesiology.

Trevor Woods, MA, ATC

Summer Performance Coach
Licensed Athletic Trainer with NATA & SD State Board of Medical Examiners Instructor
Athletic Trainer for Yankton HS & Gayville-Volin HS

Trevor, MA, ATC has a bachelors degree in Athletic Training from South Dakota State University (SDSU) and a Masters Degree in Exercise Science from University of South Dakota (USD). He has been providing Athletic Training coverage to Yankton High School and Gayville-Volin High School for 17 years. He has been doing sports enhancement programs since 2002 working with numerous individual and team State Championship athletes.

He loves working with athletes to improve performance while helping reduce the risk of injuries for the athletes.


Tate Bruckner, CSCS

Summer Performance Coach
Head Softball Coach – Mt. Marty College

Tate has been with Coach Rozy Performance since 2015 helping with the Summer Performance Programs and working with select teams during the year.  Coach Bruckner had worked with the Mount Marty College softball program the last two years as Head Coach.  Prior to that, Tate was strength and conditioning coach for the program as well as Mt. Marty Baseball. Bruckner, a 2014 MMC graduate and a 2009 Menno High School graduate.  Bruckner, who had been a baseball assistant coach the past two seasons, stepped in to run the softball program.

 Ericka Muchow

Performance Coach Intern

Ericka will be graduating from the University of South Dakota in December 2018. She is majoring in Kinesiology with minors in Health and Coaching. During her time at USD Ericka completed her practicum at D1 Sports Training in Sioux Falls helping to improve young athletes performance abilities.In high school, Ericka was active in volleyball, track & field, and softball. While interning with Coach Rozy Performance, Ericka will be working towards her NSCA CSCS Certification and transforming the knowledge and skills of becoming a great coach into reality.



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