Martin Rothchild, Hilton Lexington GMOfficials of New Castle Hotels and Resorts, a leading hotel owner, operator and developer, announced that Martin Rothchild, general manager of the 366-room Hilton Lexington/Downtown Hotel, has been appointed to the Board of Directors of the Convention and Visitors Bureau for Lexington, Ky. He was nominated by Lexington Mayor Jim Gray. Rothchild is an active community leader participating on the boards of directors of the Bluegrass Hospitality Association and the Downtown Lexington Corporation. He also is active with the American Diabetes Association Bluegrass Chapter.