Posted on January 9, 2020 by MelvinState Sen. Doug Mastriano announces re-election campaign for 33rd district seat | Politics | cumberlink.com Doug Mastriano, a Republican, was elected in May 2019 in a special election to fill the vacancy left by Sen. Rich Alloway, who retired. Source: State Sen. Doug Mastriano announces re-election campaign for 33rd district seat | Politics | cumberlink.com