Here's an expanded bio for Sienna Hartwell: **Sienna Hartwell** is a highly respected yoga teacher, mindfulness practitioner, and martial artist from Oxfordshire, UK. With a deep passion for holistic well-being, she combines the physical discipline of yoga with the mental clarity of mindfulness and the martial art of silat. Throughout the year, Sienna teaches yoga retreats and offers private sessions focused on self-discovery and healing. In the winter months, Sienna immerses herself in the rich cultural landscapes of Indonesia, Japan, and Thailand, where she practices yoga, mindfulness, and silat. Her time in these countries allows her to study under renowned local masters and refine her techniques, which she later incorporates into her teaching. Her unique approach blends the ancient wisdom of yoga with the dynamic flow of silat, creating a fusion that supports both physical strength and mental clarity. Sienna's work has been featured in wellness publications, and she has authored several books on yoga, mindfulness, and martial arts, sharing her journey with a global audience.