Willis was a member of the Saugus School Committee from 1930 to 1936. He also worked as the Town Counsel and Secretary of Assessors.[1]
From 1937 to 1949 he was a member of the Massachusetts House of Representatives. In 1939 he was appointed Chairman of the Commission on Civil Service. While serving in this role he authored the Civil Service Reform Act. From 1943 to 1944 he was the House Majority Leader, Chairman of the Special Commission on Postwar Rehabilitation, and Chairman on the House Committee on Aeronautics. While on the Aeronautics Committee, Willis helped turn Logan Airport into a modern facility.[2]
Willis was Speaker of the House from 1944 to 1948. He served as a delegate to Republican National Convention from Massachusetts in 1940 and 1948. He did not run for reelection after the 1948-49 legislative session, instead he became Counsel to the House of Representatives. Willis remained House Counsel until his retirement in 1969.[2]
