Mark Theis Latest Exec to Depart CCTB

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Chicago, IL – Mark Theis is no longer executive vice president of the Chicago Convention and Tourism Bureau as incoming president and CEO Don Welch transitions into his new job.

Theis followed senior vice president David Sargent, who resigned to become vice president of national sales and exposition services for Freeman, and Tim Roby, who stepped down as president and CEO late last year to take an executive sales position at Starwood Hotels & Resorts.

Welsh will formally assume his new job in February. He had been CEO of the Indianapolis Convention and Visitors Association.

Reach Don Welsh at (312) 567-8500 or