DR. JENNIFER CASE
AKA Dr.JenJitsu

PhD, RD, CSSD, CSCS
Brazilian Jiu-Jitsu Black Belt (2016)
Hawaiian Kempo Black Belt (2005)
13× IBJJF Masters World Champion
5× IBJJF Pan Champion
2× IBJJF International Masters – North America Champion
ADCC West Coast Trials Medalist
Professional MMA Record: 4–1

Tattooed athlete wearing Charlotte Jiu-Jitsu Academy gear with Toro Cup World Champion belt.
About:
Dr. Jennifer Case is a Brazilian Jiu-Jitsu black belt and sports dietitian with a PhD in Human Nutrition and Performance. She blends elite competitive experience with deep academic work to help athletes perform, recover, and feel their best.
Her coaching is practical, science-based, and mat-tested—built to improve body composition, energy, and consistency across training blocks and real life.
Coaching Philosophy:
Start simple and repeatable. Anchor nutrition to training, track only what matters, and adjust with data—without adding noise. Jen pairs evidence-based plans with habits athletes can actually live with so progress is steady and sustainable.
Fuel for the session in front of you
Recovery that fits your schedule
Consistent habits that scale for camps or daily training
Two people indoors, one in a martial arts gi with gray belt, the other in t-shirt and shorts with tattoos.
Athlete with tattoos stands on podium wearing medal, shorts, and a t-shirt at competition.
Academic Background:
BS — Athletic Training, Washburn University (Magna Cum Laude, Department Honors)
MSE — Sports Studies, University of Kansas
PhD — Human Nutrition & Performance, Kansas State University (Dissertation: protein intake, body composition, and athletic performance)
Graduate Certificate — Dietetics, Iowa State University
Certifications:
Registered Dietitian (RD)
Certified Specialist in Sports Dietetics (CSSD)
Certified Strength and Conditioning Specialist (CSCS)
Person from the back wearing a DRJENJITSU jersey number 14 with tattoos and hair in a bun.
Black and white portrait of a person wearing a CJJA jacket and West Coast Trials 2024 medal.
Books & Publications:
The Renaissance Diet — Co-author
Renaissance Woman — Co-author
Fueling the Adolescent — Co-author
Understanding Healthy Eating: A Science-Based Guide to How Your Diet Affects Your Health — Co-author
Two female martial artists competing in a Brazilian Jiu-Jitsu match with audience in background
Ready to work with Dr. Jen? Click Train with Coach to get started or request a private lesson.