David Greer is a neurologist with the Yale University School of Medicine, and he led a study that looked at how hospitals determine when to declare a patient brain-dead.

The David Pakman Show is a multiplatform politics and news talk show airing on radio, television, and the internet, hosted by David Pakman, currently airing on a combination of commercial and public radio stations, including Pacifica Radio stations, on Free Speech TV via DirecTV and DISH Network, on public access television stations nationwide, via internet podcast and on YouTube.