Doing PR, essentially. I think that if ALCOR acted more as a research organization and less as McImmortality it would have an easier time getting external researchers interested, instead of the current hostile relationship it has with professional cryobiologists.
http://www.technologyreview.com/view/541311/the-false-science-of-cryonics/
Michael Hendricks is a neuroscientist and assistant professor of biology at McGill University.