Found this online:
By day, Mark S. Zaid, a Washington, D.C. attorney, is a nationally recognized expert on national security law and freedom of information issues. He has made hundreds of appearances as a guest commentator on TV and radio, and testified before Congress. Like his comic-book heroes, Zaid has an alter-ego as a comic book collector and dealer. He is also an advisor to the Overstreet Comic Book Price & Grading Guides and a co-founder of the Comic Book Collecting Association.
Source:
http://blogs.law.yale.edu/blogs/rarebooks/archive/2010/09/27/exhibit-talk-mark-zaid-on-quot-superheroes-in-court-quot.aspx