Ryan Frederick Ryan Frederick has been promoted to dual general manager of the Courtyard and Residence Inn Houston Downtown/Convention Center. Previously, he was the general manager of the Hilton Garden Inn San Francisco Airport. Frederick began his career with White Lodging in 2006 as a Marriott restaurant manager in Michigan and has held multiple positions across the country during his time with White lodging. Prior to serving as general manager of the Hilton Garden Inn San Francisco, Frederick served as general manager in several locations, including Tampa, Fla. and Saratoga Springs, N. Y.