Koelnmesse names chief operating officer

International trade show organizer Koelnmesse named Katharina Hamma as its new chief operating officer. 

She will be responsible for the operations of the trade fair program in Cologne, Germany, as well as for company's sales, communications and services. 

"I'm looking forward to being in Cologne and working on one of the wold's most exciting trade fair locations," said Hamma, who is the third member of Koelnmesse's top management team. The other two are CEO Gerald Bose and CFO Herbert Marner.