Born in 1970 in Wodzislaw Slaski, Poland, Jaroslaw studied philosophy (1989-94) and worked at the Catholic University in Lublin from 1994 to 1997 when he joined the Society of Jesus. After novitiate in Stara Wies he spent his regency in Krakow as a teacher of philosophy. He studied theology in Frankfurt am Main and Rome and was ordained in 2005. Since 2006 he has been teaching philosophy at the Jesuit Ignatianum University in Krakow.