Jaydee directs policy on human genetics, nanotechnology and synthetic biology for the International Center for Technology Assessment. He was a co-author of the "Principles for the Oversight of Synthetic Biology." He also works with the Center for Food Safety on issues related to animal genetics and cloning. He has been at the Center since 2004. He directed the bioethics work of the United Methodist Church from 1986 to 2004. He was an environmental policy fellow at the East West Center in Hawaii.