Nelson managed Christian Herter's 1952 gubernatorial campaign and in 1953, with Herter's support, was elected chairman of the Massachusetts Republican Party. He was given a $12,000-a-year salary, becoming the party's first paid chairman.[5] In 1956, the party's presumptive gubernatorial nominee, Sumner G. Whittier demanded Nelson's resignation, which he refused.[6] He was defeated for reelection by Ralph H. Bonnell at that year's party convention.[7] In 1958, Nelson was the Republican nominee for Lieutenant Governor. He lost to Democrat Robert F. Murphy 60% to 39%.[8] Nelson led his third successful gubernatorial campaign when he managed John Volpe's 1964 campaign.[3]
Death
Nelson died on March 31, 1975, at Milford Hospital.[3]