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.

Juan Carlos Cruz is an advocate for survivors of clergy sexual abuse. By sharing his own experience of abuse, he spurred the Vatican to take action in Chile and later received an apology from Pope Francis. Cruz now lives in Philadelphia and works in communications.

Scholars, scientists and faith leaders around the world are working to reduce tensions between religion and science.

Manuel E. Cortes is a professor of biology at Bernardo O’Higgins University in Santiago, Chile. He has researched and written about the relationship between religion and science in the context of Catholic history.

Ricardo Grzona is the executive president of the Ramon Pane Foundation, which developed an app for Catholic kids, based on Pokemon Go, called Follow JC Go.

Faith groups have played an important role in marijuana policy debates in the United States and around the world.

Julio Calzada is the director of social politics for the city of Montevideo, Uruguay. He previously served as secretary-general of the country’s National Drug Council and oversaw marijuana legalization there.

Felipe Sierra is director of the division of aging biology at the National Institute on Aging.

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.