Nell Derick Debevoise Dewey (Nell 3D) helps high-achieving leaders see what success hasn’t yet delivered—and redesign their effort so it finally does. Through her proprietary Lead in 3D® framework, she guides individuals and organizations to create compounding returns across ME, WE, and WORLD by doing less with more integrity.A keynote speaker, author, and advisor, Nell challenges the assumption that growth requires constant addition. Her forthcoming book, Subtract to Succeed, offers a practical, systems-based lens for sustainable ambition, without burnout, self-erasure, or diminishing returns.Her work blends systems thinking, experiential learning, and equine-assisted leadership with research informed by Harvard, Cambridge, Columbia Business School, and London Business School. She has worked across four continents and sectors ranging from Fortune 500 companies to mission-driven nonprofits.Nell is the Founder and CEO of Nell3D, a certified B Corporation and member of 1% for the Planet. She helps leaders recalibrate how they lead so their impact is efficient, rewarding, and built to last.