Dr. Philip Skiba, a medical doctor and PhD in exercise physiology, shares insights from over 20 years coaching elite athletes. He discusses the innovative Optimized Training Stress metric, incorporating power data, sleep, and heart rate variability. Delving into training methodologies, he highlights the balance between fatigue and carbohydrate intake. Skiba also explains the concept of W' balance in endurance training, emphasizing the importance of personalized strategies for performance enhancement and energy management in athletes.