Meet Your Coaches

Head Coach Gretchen Key

Gretchen Key is a former Crossfit Athlete who placed 2nd in the CrossFit open for Indiana in 2019. She is a licensed Occupational Therapist with a background in powerlifting, bodybuilding, running, swimming, volleyball, CrossFit, and Hybrid Training. She specializes with both the older and younger population by utilizing her skillsets in OT.

Master's Degree in Occupational Therapy

Bachelors in Exercise Science

Aerobic Capacity Certified

HYROX Pro Athlete

CrossFit Sanctionals/Regional Athlete

Assistant Coach Jessica Delgado

Jess is highly involved with the community. She work's at TaylorMade Golf & Sun Day Red as a Director of PMO. She serves on several nonprofit boards including President of the Rivals for Alzheimer's Association, President of the Hilliard Lyons Corridor of Champions, and the President of the Lady Governor‘s Softball Alumni chapter.

Former Division One Softball Player for Austin Peay State University

Three time NCAA Academic All-American Scholar Athlete

Castle High School Women’s Flag Football Coach

Master's in Business Management and Psychology

Assistant Coach Brenda Ziebach

Brenda Ziebach is a registered nurse and mom of three girls. She has been in the emergency department for almost 12 years and has multiple medical certifications. She has trained and completed multiple half marathons and one marathon. She has been involved in CrossFit, weightlifting and running for almost 10 years.

Bachelor of Science in Nursing (BSN)

Evansville Half Marathon

Wendell Foster Half Marathon

Kentucky Derby Marathon

Assistant Coach Dylan Winkler

At 31, Dylan combines his love for Olympic lifting and functional fitness with a genuine passion for helping others succeed. He earned his degree in Exercise Science from the University of Southern Indiana (USI), equipping him with the knowledge to help athletes train safely and effectively.

When he’s not working in IT at Deaconess, you’ll find him coaching and encouraging athletes of all ages to grow stronger — both physically and mentally. Fitness is a family affair in his household, and his biggest fan (and training partner) is his 3-year-old son, the youngest KNP athlete! He believes fitness should be fun, challenging, and accessible to everyone, no matter where they’re starting

Bachelors in Exercise Science

Olympic Lifting Competitor

Assistant Coach Hunter Wigington

Born and raised in Indiana, Coach Hunter has a lifelong passion for movement, performance, and helping others become their best—inside and outside the gym. He earned his doctorate in southeastern Iowa, developing a deep understanding of biomechanics and human anatomy.

With over 10 years of personal experience and 5+ years of coaching, his approach focuses on proper mechanics, efficient movement, and long-term results. He believes fitness should enhance your life, not control it—prioritizing sustainable habits over quick fixes.

Outside the gym, Hunter spends time with his wife, Sonja, and continues his work as a Doctor of Chiropractic. His mission is simple: help you move better, feel stronger, and live a healthier, longer life.

Doctor of Chiropractic

Assistant Coach Robyn Scherr

Coach Robyn joined the KNP Coaching Staff after a 20 year coaching career in women’s college basketball. She spent the last five years as the head coach for the University Of Evansville Women’s Basketball where she most recently guided the Purple Aces to the championship game of the MVC tournament in 2026.

B.S. in Movement Science and Athletic Training from the University of Michigan