Grégoire Catta is a French Jesuit Priest. He holds a master degree in Engineering (1999, ENPC, Paris), a BA in Philosophy and STB (2007, Centre Sèvres, Paris), an STL (2011, Centre Sèvres, Paris), and STD (2015, Boston College - STM). He is maître de conferences (Assistant Professor) in Theology at Centre Sèvres - Facultés Jésuites de Paris where he holds the Jean Rodhain Chair. Beginning sept 2018, he works for the French Conference of Bishops as director of the National Service Family and Society. His main fields of interest are : Theological social ethics, Catholic Social Teaching, Option for the Poor. Contribution to the CTEWC book series: "Giving the Floor to the Poor: New Challenges for Catholic Ethicists in France," in The Catholic Ethicist in the Local Church, ed. By A. Autiero and L. Magesa (Maryknoll, NY: Orbis, 2018), 185-196.