Winsome McIntosh "founded Rachel's Network as the culmination of over 30 years of experience in philanthropy. Her work in the conservation community covers a wide range of organizations and issues. She has served on the board of the family-run McIntosh Foundation since 1972 and actively participates in its management. She also founded the Community Foundation for Palm Beach and Martin Counties in 1972 and served as its vice chair. Winsome has served on the boards of a number of nonprofit organizations, including Defenders of Wildlife (past chair), League of Conservation Voters, The Boat Company, and the Center for Health and the Global Environment at Harvard Medical School." 
She is married to Michael A. McIntosh, Sr.