 He was a member of the Jesuit University of Philosophy and Education Ignatianum and at one time was vice president of that institution.His main interests revolve around philosophy of biology including integration of biological phenomena, theory of the genetic program, aristotelian theory of biological substance, cognitive aspects of biological dynamisms, problems of biological observation, experimentation and concept formation, and reconstruction of fossil hominids.Lenartowicz wrote about the principles of irreducible complexity before the hypothesis gained ground after the publication of Michael Behe's Darwin's Black Box.