Leymah Gbowee, who received the Nobel Peace Prize in 2011.

• Oct. 2, 6 p.m. — Leymah Gbowee, who received the Nobel Peace Prize in 2011, is a peace activist, trained social worker and women’s rights advocate. She serves as executive director of the Women, Peace and Security Program at Columbia University’s Earth Institute and is the founder and president of the Gbowee Peace Foundation Africa and co-founder and former executive director of the Women Peace and Security Network Africa. Her leadership of the Women of Liberia Mass Action for Peace — which brought together Christian and Muslim women in a nonviolent movement that played a pivotal role in ending the country’s civil war in 2003 — is chronicled in her memoir, “Mighty Be Our Powers: How Sisterhood, Prayer and Sex Changed a Nation at War,” and the award-winning documentary “Pray the Devil Back to Hell.” Gbowee will present “Mighty Be Our Powers: Building Women, Building Peace.”