This white paper outlines the impact of the Willow Program, Cultivate Sponsorship’s initiative to advance women into leadership through structured sponsorship. It details five core impact areas; leadership access, career clarity, retention, relationship longevity, and well-being, showing how Willow drives individual growth, cultural change, and business value. Backed by data and real stories, this framework positions Willow as a powerful lever for equity, inclusion, and organisational transformation.