Jim Wood no longer leads the Louisville Convention and Visitors Bureau.The bureau announced Tuesday that Wood's resignation was effective at a board meeting the same day. Wood has been the Convention and Visitors Bureau's president and chief executive for 11 years; a search for his replacement begins immediately, the bureau said.The reason for his abrupt departure was not announced. We've left messages with a bureau spokeswoman and its board chairman, Michael Howerton, market vice president for the Louisville Marriott Downtown. We'll update if they or others respond.Howerton praised Wood's "enthusiasm" and "innovative ideas" in a statement.The bureau's job is to improve tourism in Louisville. They work with businesses and other agencies to help attract trade shows, business meetings and leisure travelers. It's financing comes from the bed tax and its board is appointed by Mayor Greg Fischer and Gov. Steve Beshear.In a statement, Fischer said: “The convention and tourism industry is a key driver of Louisville's economy and our national and international image. Under Jim Wood's leadership, both have grown significantly. Our city thanks him for his many years of service."In its announcement, the bureau noted Wood's work in bringing the FFA show to Louisvilleand other initiatives.