Robert Nicholas Klein II, is a stem cell advocate. He initiated California Proposition 71, which succeeded in establishing the California Institute for Regenerative Medicine, of which Klein is now the head.He was a chief author of Proposition 71 and was the chair of the Yes on 71 campaign. He donated $3 million to the cause, the largest donation, and ran the campaign from the Klein Financial Corporation. After the election, Proposition 71 became Article XXXV of the California Constitution and the Yes on 71 campaign became the California Research and Cures Coalition, a stem cell advocacy organization. Klein was the head of that organization until he took the position at the California Institute for Regenerative Medicine, the organization created by the ballot initiative. In 2005, he was named as one of TIME Magazine's 100 Most Influential People; and, that same year Scientific American named Klein one of “The Scientific American 50” as a leader shaping the future of science. Klein was honored at the 2010 BIO International Convention as the second annual Biotech Humanitarian.[2] Also, in 2010, Klein received the 2010 Research!America Gordon and Llura Gund Leadership Award for his advocacy of stem cell and diabetes research.