A+E Networks’ President of International and Digital Media Sean Cohan is leaving the company after 15 years to become president of Wheelhouse Entertainment, part of Brent Montgomery’s Wheelhouse Group. The appointment comes on the heels of Wheelhouse launching Kimmelot, a joint venture with Jimmy Kimmel who also joined Wheelhouse as a partner. Working closely with Montgomery and Wheelhouse's Chief Strategy Officer Ed Simpson, Cohan will oversee content and marketing, as…