A yoga instructor is a person who teaches and guides individuals through the practice of yoga. Yoga is an ancient physical, mental and spiritual discipline that originated in India, with the goal of improving overall health and well-being. A yoga instructor has typically undergone extensive training to become proficient in various yoga techniques, including postures (asanas), breath control (pranayama) and meditation. They may teach classes or offer private sessions, helping students improve their physical flexibility, strength, balance and mental clarity through the practice of yoga.