The Freedom of Expression Institute was established in 1994 to protect and foster the right to freedom of expression in South Africa. Contact Sheniece Linderboom.

The Hrant Dink Foundation has run the Media Watch on Hate Speech project since 2009 to counter racist and discriminatory discourse in Turkish press.

Free Speech Debate, based at the University of Oxford, has produced more than 70 articles, videos and discussion pieces that specifically address hate speech. Contact Timothy Garton Ash.

Article 19 is a London-based human rights organization that focuses on freedom of expression. The organization has offices around the world, and a section of its website addresses hate speech.

Index on Censorship is a campaigning and publishing organization based in London that focuses on freedom of expression. The organization regularly reports on hate speech. Contact: Chief Executive Jodie Ginsberg

Susan Benesch is director of the Dangerous Speech Project and a faculty associate of the Berkman Center for Internet and Society at Harvard University. She also teaches human rights at American University’s School of International Service.

Andrea Gittleman is the program manager for the Center for the Prevention of Genocide at the U.S. Holocaust Memorial Museum.

Dr. Agnès Callamard is director of the Global Freedom of Expression Project at Columbia University in New York City and former executive director of Article 19 in London.

Chris Tuckwood is executive director of the Sentinel Project, a Canada-based nonprofit that works on early warning systems to prevent genocide. Hatebase was built to help government agencies, NGOs, research organizations and other philanthropic individuals and groups use hate speech as a predictor for regional violence.