Medical Ethics & Technology Expert; Creator of SiriusXM Satellite Radio, Chairman & CEO of United Therapeutics Corp
Two Stars for Peace: The Case for Using U.S. Statehood to Achieve Lasting Peace in the ...
Award-winning Comedian, Show-Host, Owner of Travel Show, "Rollin' With Zach"
Journalist, Author
Science Fiction Author, Online Writer, and Former President of the Science Fiction and Fantasy Writers of America