Juan Masia Clavel (Murcia, 1941), Jesuit and theologian, was Professor of Ethics at Sophia University in Tokyo and director of the Department of Bioethics at the University Pontificia Comillas. Researcher, Center for Peace Studies of the Japanese section of the World Conference of Religions for Peace (WCRP), has written an extensive essay in Japanese production and Castilian.

Among his recent works are Tertulias Bioethics (2006), Bioethics and Religion (2008) and Live at the border (2010).