Angus Sibley is an actuary and former member of the London Stock Exchange. Received into the Catholic Church at Farm Street Jesuit Church, London, in 1999, he has long been interested in the church's economic and social teachings. He is the author of "The Poisoned Spring of Economic Libertarianism" (Pax Romana, 2011) and of around one hundred articles in American, British, French, and Irish periodicals. Now retired, he lives with his wife Aurora in Paris.