Katie Sonier is a kinesiologist, personal trainer, and fitness coach with over 10 years of experience in the fitness industry . She is the founder of the TWK (Train With Katie) programs and owner of TWK Gym. Katie specializes in strength training, particularly glute development, and is known for her minimalist, intentional approach to fitness that emphasizes mastering foundational movements . Her mission is to help women build strength, confidence, and long-term consistency through sustainable training methods . Find her on Instagram @katiesonier.