He is a professor of International Affairs and Islamic Studies at Georgetown University. He is also the director of the Prince Alwaleed Bin Talal center for Muslim-Christian understanding at Georgetown University. Esposito was raised a Roman Catholic in an Italian neighborhood in Brooklyn, New York City, and spent a decade in a Catholic monastery. After taking his first degree he worked as a management consultant and high-school teacher. He then studied and received a masters in theology at St. John's University. He earned a PhD at Temple University, Pennsylvania in 1974, studying Islam and held post doc appointments at Harvard and Oxford. He is well-known as a promoter of strong ties between Muslims and Christians and has challenged the Vatican to make greater efforts to encourage such ties. A specialist in Islam, political Islam, and the impact of Islamic movements from North Africa to Southeast Asia, Dr. Esposito serves as a consultant to the Department of State as well as multinational corporations, governments, universities, and the media worldwide. In 2005, Professor Esposito won the American Academy of Religion's prestigious Martin E. Marty Award for the Public Understanding of Religion. This award honors a scholar who has been exemplary in promoting the public understanding of religion. A prolific writer, Professor Esposito is the author of over 25 books, including What Everyone Needs to Know About Islam, The Islamic Threat: Myth or Reality?, and Unholy War: Terror in the Name of Islam. He is also the Editor-in-Chief of The Oxford Encyclopedia of the Modern Islamic World, The Oxford History of Islam, and The Oxford Dictionary of Islam.

Karen Armstrong, a comparative religion specialist is the author of numerous books on religion, including The Case for God, A History of God, The Battle for God, Holy War, Islam, Buddha, and Fields of Blood, as well as a memoir, The Spiral Staircase. Her work has been translated into 45 languages. In 2008 she was awarded the TED Prize and began working with TED on the Charter for Compassion, created online by the general public, crafted by leading thinkers in Judaism, Christianity, Islam, Hinduism, Buddhism, and Confucianism. It was launched globally in the fall of 2009. Also in 2008, she was awarded the Franklin D. Roosevelt Four Freedoms Medal. In 2013, she received the British Academy’s inaugural Nayef Al-Rodhan Prize for Trans cultural Understanding.

Tariq Ramadan is the son of Said Ramadan and Wafa Al-Bana, who was the eldest daughter of Hassan al Banna, who in 1928 founded the Muslim Brotherhood in Egypt. Gamal al-Banna, the liberal Muslim reformer is his great-uncle. His father was a prominent figure in the Muslim Brotherhood and was exiled by Gamal Abdul Nasser[3] from Egypt to Switzerland, where Tariq was born. Tariq Ramadan studied Philosophy and French literature at the Masters level and holds a PhD in Arabic and Islamic studies from the University of Geneva. He also wrote a PhD dissertation on Friedrich Nietzsche, entitled Nietzsche as a Historian of Philosophy.[4] Ramadan then studied Islamic jurisprudence at Al-Azhar university in Cairo, Egypt.[5] He taught at the College de Saussure, a high school in Geneva, Switzerland, and held a lectureship in Religion and Philosophy at the University of Fribourg from 1996 to 2003. In October 2005 he began teaching at St Antony's College at the University of Oxford on a Visiting Fellowship. In 2005 he was a senior research fellow at the Lokahi Foundation.[6][7] In 2007 he successfully applied for the professorship in Islamic studies at the University of Leiden, but then declined to take up the position, citing professional reasons.[8][9] He was also a guest professor of Identity and Citizenship at Erasmus University Rotterdam,[10][11][12] till August 2009 when the City of Rotterdam and Erasmus University dismissed him from his positions as "integration adviser" and professor, stating that the program he chairs on Iran's Press TV, Islam & Life, was "irreconcilable" with his duties in Rotterdam. Ramadan described this move as Islamophobic and politically charged. Beginning September 2009, Ramadan, was appointed to the His Highness Hamad Bin Khalifa Al-Thani Chair in Contemporary Islamic Studies at Oxford University. Ramadan established the Mouvement des Musulmans Suisses (Movement of Swiss Muslims),which engages in various interfaith seminars. He is an advisor to the EU on religious issues and was sought for advice by the EU on a commission on “Islam and Secularism”.In September 2005 he was invited to join a task force by the government of the United Kingdom.[3] He is also the President of the Euro-Muslim Network,a Brussels-based think-tank. He is widely interviewed and has produced about 100 tapes which sell tens of thousands of copies each year As of 2009, Tariq Ramadan was persona non grata in Tunisia, Egypt, Saudi Arabia[19] Libya or Syria because of his "criticism of these undemocratic regimes that deny the most basic human rights". Ramadan is married to a French convert to Islam and they have four children.