Marc Alexander Thiessen is an American conservative author, political appointee, and weekly columnist for The Washington Post. Thiessen served as a speechwriter for President George W. Bush from 2007 to 2009 and Secretary of Defense Donald Rumsfeld from 2001 to 2006.

The Washington Post, locally known as "the Post" and, informally, WaPo or WP, is an American daily newspaper published in Washington, D.C., the national capital. It is the most widely circulated newspaper in the Washington metropolitan area and has a national audience.