Jacqueline Novogratz is an American entrepreneur and author, best known for founding Acumen, a nonprofit organization that invests in sustainable businesses to alleviate poverty. She has dedicated her career to promoting social entrepreneurship and innovative solutions to global challenges, particularly in developing countries. Novogratz is also the author of the book Manifesto for a Moral Revolution, where she shares insights on how to create positive change through ethical leadership and social impact. Her work has earned her recognition as a leader in the field of impact investing and social change.