I disagree.  He has distinctly Kurdish features, and he may have been working with Americans, as an interpreter or as a liaison with the Peshmerga.  Also, it may have just been a show of support for the American invasion by a Peshmerga.  American flags are proudly displayed by Kurds frequently.  The people in Sulayminiyah treated me as if I were a returning king when I visited there, even 3 years after the invasion.