Bonnie Castillo  Bonnie Castillo is the executive director of National Nurses United and of the California Nurses Association/National Nurses Organizing Committee. Before being named as executive director, she was the director of the Registered Nurse Response Network (RNRN), a disaster relief program run by NNU that places registered nurse volunteers where they are needed after man-made and natural catastrophes. She has coordinated RN volunteers to help in the aftermath of the 2010 Haiti earthquake, Typhoon Haiyan, hurricanes Katrina, Harvey and Maria, and elsewhere. Castillo also held the positions of CNA/NNOC Director of Government Relations and NNU Director of Health and Safety. She has been with CNA/NNOC for almost two decades in a number of capacities, working her way up into the leadership of the organization from her early days as a registered nurse member who helped to unionize her facility, to staff and then lead organizer, to a director, and now to her current position as Executive Director.