James W. Walter Sr. (September 18, 1922 – January 6, 2000), of Tampa, Florida, United States, was a home builder who started Jim Walter Homes and Walter Industries, now doing business as Walter Energy, Inc., a leading producer of metallurgical coal for the global steel industry, in 1946 with $1,000 he borrowed from his father. Walter eventually sold the company in 1986 for $2 billion to Kohlberg Kravis Roberts (KKR). Walter was the son of Ebe and Mabel Walter. The book Building a Business: The Jim Walter Story tells his story. His wife, Monica Walter, died in 1982, leaving two sons, James W. Walter Jr. and Robert Walter. The western section of what was known as Columbus Drive was renamed Jim Walter Boulevard in 2003.