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.

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.

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.

Matt Schissler is an adviser to the civil society group Paung Ku, a member organization of the Panzagar anti-hate speech campaign in Myanmar.

Nay Phone Latt is a Myanmar blogger and activist based in Yangon. He co-founded the local anti-hate speech campaign Panzagar.

Brian Pellot is director of global strategy at Religion News Service and Religion Newswriters Foundation. He writes about international hate speech, free speech, religious freedom and media freedom issues in his RNS column On Faith and is based in London and Cape Town.

Bernard Haykel is a professor of Near Eastern Studies at Princeton University and director of the Institute for Transregional Study of the Contemporary Middle East, North Africa and Central Asia. He is an expert on ISIS, or the Islamic State, jihadism, and Islamic apocalypiticism.

John Keane is a professor of Politics at the University of Sydney and the director of the Sydney Democracy Network. He holds a doctorate and a master’s degree from the University of Toronto and a bachelor’s degree from the University of Adelaide. In addition to other research interests, Keane focuses on secularism, Islam, and Europe.