He was founding executive director of the Berkeley, California-based Center for Genetics and Society, serving from 1999 through 2012.
In the early 1990s he chaired the Sierra Club's Global Warming Campaign Committee.
[1] Hayes has briefed United Nations delegates on the need for a global ban on human cloning, and has testified in support of international oversight of human biotechnologies, and against the cloning of pets.
[2] He is quoted in a 2002 article in Newsweek International declaiming the "vacuum of leadership," regarding responsible oversight of human genetic technology, noting that "[t]hese technologies ... have developed so rapidly that there is not the type of structure to regulate them".
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