Working with Esther Derby was transformative. Her massive depth and breadth of knowledge, combined with her innate compassion, made every session a treasure trove of development and progress. Esther’s excellent observational and listening skills allow her to provide key insights as well as teach effectively. Her reflective and encouraging approach facilitates easy growth, both professionally and personally. Esther’s understanding of social and team dynamics proved especially invaluable as I developed into a leadership role.