Michael Hawley is a professor teaching with an emphasis in Sikhism, Hinduism, and South Asian diasporas. He is an expert in Sikhism.

Professor Pashaura Singh is the Jasbir Singh Saini Endowed Chair of Sikh and Punjabi Studies at the University of California Riverside. He is a Sikhism expert.

Dr. David Newman is a professor at Washington Adventist University in Takoma Park, Maryland. He is an expert on Seventh Day Adventists.

  David Thomas is dean of the School of Theology and professor of Practical Theology & Apologetics at Walla Walla University. He is an expert in Seventh Day Adventists.

Kristy Slominski is a doctoral student at the University of California, Santa Barbara. She is an expert on gender and sexuality in American religious history.

Katharine Hayhoe is a professor of political science and co-director of the Climate Science Center at Texas Tech University. She is also the co-author of A Climate for Change: Global Warming Facts for Faith-Based Decisions. Hayhoe is an expert on Christian responses to global warming, and she works to reconcile science and faith in Christian communities.

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.

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.