Bonnie Castillo is the Executive Director of National Nurses United (NNU) and the California Nurses Association/National Nurses Organizing Committee (CNA/NNOC). NNU is the country’s largest union and professional organization of registered nurses, representing more than 150,000 members nationwide, while CNA/NNOC is the nation’s largest state-based union of direct-care RNs, with over 100,000 members across all 50 states.