Hank has worked on an estimated 700 political campaigns on 4 continents, in 14 foreign nations and 44 American states over the last 35 years. His political clients have included President Bill Clinton, New York City Mayor Michael Bloomberg, Leonel Fernandez, former President of the Dominican Republic, and former President of Mexico Vicente Fox.

Dr. Sheinkopf’s opinions are widely sought by media outlets nationally and internationally. He has been cited in The New York Times, Daily News, New York Post, Washington Post, Los Angeles Times, Wall Street Journal, San Francisco Examiner, Thomson Reuters, The Jerusalem Post, The Australian Financial Review, France 24, Newsweek, Time, Vanity Fair, BusinessWeek, The Daily Show, ABC World News Tonight, CBS, NBC Nightly News and Fox News. He has been a CNN and Newsmax contributor, and appears on ABC News' Up Close w/Bill Ritter and The Countdown weekly programs. Sheinkopf has been the subject of profiles in the Wall Street Journal, New York Times, New York Daily News and New York Observer. Dr. Sheinkopf has been cited in at least 30 books written about international and domestic politics.