About Friends of The Underline. . Friends of The Underline (FUL), a nonprofit corporation, is driving the fundraising to build and sustain what will become a place that is uniquely Miami. We are searching for an entrepreneurial, creative, and energetic. Major Gifts Manager. (MGM) to support a robust culture of philanthropy that will sustain The Underline for years to come. . The MGM is a member of FUL Development Team charged with raising funds i...