Martin Henri is the current leader of the Luddites, but does not appear in the game currently.
Martin Henri used to work for Aeon Corp. before he started having dreams about the evils of technology. A familiar old man frequents his dreams who tells him that his destiny is to destroy the Power Transfer System in Cap Au Diable. Henri's dreams have both given him superpowers to recruit new followers as well as driven him mad.
It is possible that Martin Henri is the descendant of Father Henri, but that is unknown at this time.