D. Ward Fuller has been elected executive vice president of American Steamship Company, it was announced by Thomas W. Burke, president of the GATX subsidiary company. Mr. Fuller joined American Steamship in 1977 as special assistant to the chairman, and was elected vice president-finance in 1978, and vice president-marketing in 1979. Prior to joining American Steamship, he was corporate treasurer for GATX Leasing Corporation in San Francisco. He was assistant vice president, world banking group, Bank of America from 1973 to 1975, and maintained a private law practice between 1970 to 1973.