Ferguson graduated from Albion College in 1952 with a degree in mathematics. In 1997 he was inducted into the Albion College sports Hall of Fame. Ferguson was the master of ceremonies of the Hall of Fame dinner from 1989 to 1994. As an Albion College student William was a four-year participant in baseball and member of the 1950 MIAA championship baseball team.
Ferguson was a member of GCS’s Board of Advisor’s. He had 40 years of telecommunication experience including serving as president and CEO of New York Telephone and Executive Vice president and Chief Operating Officer of Michigan Bell Telephone. Ferguson joined Michigan Bell in 1952 and was elected an officer in 1971. He became Vice President for New York telephone in 1977, then returned to Michigan Bell in 1978 as Executive VP and COO. He held that position until 1983, when he was appointed President and CEO of New York Telephone. Ferguson remained in the position until 1987 when he was elected Vice Chairman of NYNEX’s two major subsidiaries (New England Telephone and New York Telephone). He retired as chairman and CEO of NYNEX in April 1995, after holding that position for six years. Ferguson remained on the NYNEX board of directors until the end of 1995.