Marcus Peterzell has joined Ketchum Sports & Entertainment (KSE) as EVP. The KSE division has clients including the World Triathlon Corporation (home of the Ironman) and Frito-Lay. He will report to KSE partner and MD Ann Wool and will be based in New York.

Previously, Peterzell worked with Omnicom agencies AWE, where he was co-president, and Fathom Communications, where he was MD of entertainment. He worked on campaigns for clients including Jeep, Philips, and Nokia.