Roberto Burioni is a professor of microbiology and virology at San Raffaele University in Milan, Italy. He helps lead online campaigns to educate Italian families about vaccine science.

Catholic leaders will gather in Rome later this month to discuss the clergy sex abuse crisis. Experts doubt they’ll approve any major policy changes.

The Rev. Hans Zollner, a Jesuit priest, is president of the Centre for Child Protection at Pontifical Gregorian University in Rome. He also serves on the Pontifical Commission for the Protection of Minors and helped organize the February 2019 Summit on the Protection of Minors.

Andrea Tornielli is editorial director for the Vatican Dicastery for Communication. He is a former Italian journalist and author of numerous books on religion, with a special focus on Catholicism.

The Rev. Federico Lombardi is a Catholic priest and president of the Ratzinger Foundation. He served as director of the Holy See press office from 2006 to 2016.

President Donald Trump has undone or renegotiated many of his predecessor’s environmentally friendly policies, removing climate change research from government websites and pulling out of the Paris climate agreement. Religiously inspired environmental activists have emerged as some of his loudest critics.

Tomás Insua is the co-founder and executive director of the Global Catholic Climate Movement. Insua grew up in Argentina and now lives in Rome. He can be contacted through Reba Elliott, the organization’s communications director.

The Rev. Giuseppe Tanzella-Nitti is an Opus Dei priest and a professor of fundamental theology at the Pontifical University of the Holy Cross in Rome. He previously was an astronomer and researcher at the Observatory of Turin in Turin, Italy. He is editor of The Interdisciplinary Encyclopedia of Religion and Science, where he tackled the […]

Federico Squarcini is an associate professor of religion at Università Ca’ Foscari in Venice, Italy. He is the co-author of Hare Krishna: Studies in Contemporary Religions. His research focuses primarily on South Asian religions.