Ophelia has been advocating for the health and rights of poor people for nearly 30 years. In 1983, she volunteered at the small Eye Care Haiti clinic in Haiti’s impoverished Central Plateau. There she met Paul Farmer, and they have been working together ever since to deliver high-quality healthcare to the destitute sick. Dahl has served as chair of the board of Partners In Health (PIH), a Boston, Massachusetts-based non-profit healthcare organization, since 2000 and served as its executive director from 2001 to 2015. She is a graduate of Wellesley College and the recipient of the Union Medal from Union Theological Seminary. Dahl is chairman of Dahl & Dahl LLP, which manages the literary estate of her late father, the author Roald Dahl. She also serves as vice president on the board of Roald Dahl’s Museum and Story Centre.