CHICAGO: Ketchum named Ron Culp as leader of the North American corporate practice. He will focus on developing and integrating expertise throughout the North American corporate practice, while also continuing to serve as partner and MD of Ketchum Midwest. Culp joined Ketchum in 2006 from Sard Verbinnen & Company.

John Weckenmann, formerly Ketchum's North American director, was named to a new senior counselor position, aiding multinational clients that are using the new global corporate offerings resulting from the Ketchum and Pleon merger.

Additionally, Tina-Marie ...