Hedden Endowed Chair in Advanced Philosophical Studies. Prior to his professorship at NMSU Prof. Walker taught at McMaster University in the department of philosophy and the Arts & Science Programme. He is the author of Happy-People Pills for All (Oxford: Blackwell Press, 2013). Walker founded and was president of the former nonprofit organization Permanent End International (2003–2007), which had been devoted to ending hunger, illiteracy and environmental degradation through the dissemination of modular aquaponics systems for farming. He serves on the editorial board of the Journal of Evolution and Technology and on the board of directors of the Institute for Ethics and Emerging Technologies.[1] He is a former board member of the non-profit organization Humanity Plus (formerly World Transhumanist Association).