From Wikipedia, the free encyclopedia. Mark Reed Levin (born September 21, 1957) was appointed to the Reagan administration and is a lawyer, author and the host of American syndicated radio show The Mark Levin Show. He is president of the Landmark Legal Foundation, has authored bestselling books and contributes commentary to various media outlets such as National Review Online where he is a currently credited author. Description above from the Wikipedia article Mark Levin, licensed under CC-BY-SA, full list of contributors on Wikipedia.