 On July 30, 2007, Rudy Giuliani's 2008 presidential campaign named Gratzer as one of his five key health care policy advisors, along with Hoover Institution senior fellow Dan Kessler, Hoover Institution senior fellow Scott Atlas, Pacific Research Institute president and CEO Sally Pipes, and The Moran Company founder and president Donald Moran.During the campaign, Giuliani championed interstate health-insurance markets and tax parity for non-employer purchases of health insurance, both positions favored by Gratzer.Giuliani said that his chance of surviving prostate cancer was 82% in the US, but only 44% under socialized medicine in England.