Ronald Conrad MacKenzie was an American attorney and Republican politician who served in the Massachusetts Senate from 1967 to 1977. He resigned following his conviction for extortion, conspiracy, and other related offenses.

Joseph J. C. DiCarlo was an American politician who served in both houses of the Massachusetts General Court. He was expelled from the Senate in 1977 after he was convicted of extortion. He is the first Massachusetts State Senator to be expelled.