Davis's clients have included Porton Group, National Women's History Museum, National Black Chamber of Commerce, eHealth, Sofitel Hotels, Trent Lott, Gene Upshaw, Dan Snyder, Martha Stewart and the Office of the President at Penn State University. Davis has been a regular television commentator and political and legal analyst for MSNBC, CNN, CNBC and network television news programs. He wrote a column called "Purple Nation," and his writing appeared in publications including Fox News, "The Hill", "The Huffington Post", and "The Daily Caller". A Yale Law School graduate, he won the Thurman Arnold Moot Court prize and served on the "Yale Law Journal".