7 Beyond Altruism: A Case for Compensated ... 185Woulfe, C. (2013). The untold story of NZ’s surrogate babies. New Zealand
Listener. Retrieved September 26, from http://www.listener.co.nz/current-
affairs/the-untold-story-of-nzs-surrogate-babies/.
Authors’ Biography
Ruth Walker is a Senior Lecturer in Philosophy at the University of Waikato,
New Zealand. Her research interests are in bioethics, research and professional
ethics, and philosophy of religion. She and Dr. van Zyl are collaborating on a
long-term research project about ethics in surrogacy and assisted reproduction.
Liezl van Zyl is a Senior Lecturer in Philosophy at the University of Waikato,
New Zealand. Her research interests include various topics in ethical theory
and applied ethics. She published a book, Death and Compassion: A virtue-
based approach to euthanasia in 2000. Liezl is currently writing a book on vir-
tue ethics and collaborating with Ruth Walker on a research project on the
ethics of surrogate pregnancy.