An expert on War and Peace-Just War, Simone Campbell, an attorney and Sister of Social Service, is the Executive Director of NETWORK, a Catholic leader in the global movement for justice and peace that educates, organizes and lobbies for economic and social transformation.

She formerly served as Executive Director of JERICHO, an interfaith public policy and advocacy organization in California. As an attorney, she represented low-income people and founded a community-based law center. She also led her international community of women religious for five years, is fluent in Spanish, and is an accomplished poet.