Njambi is a veteran nonprofit leader, bringing more than 15 years of expertise working in senior roles at Greenpeace USA, Save the Bay, and Amnesty International USA. She most recently served as Senior Director for Volunteer and Digital Engagement at Greenpeace USA, the leading independent environmental organization. While at Greenpeace, Njambi managed the organization and mobilization of volunteers to execute issue campaigns. She brings extensive experience in developing thematic issue campaigns and creating organizational infrastructure. Earlier in her career, Njambi managed Amnesty International USA’s campaign against torture.