[5] On July 28, 2009, State Senator Rob Wonderling retired from his seat in the 24th district in order to assume the presidency of the Greater Philadelphia Chamber of Commerce.

With Montgomery County Commissioner and former District Attorney Bruce Castor and former State Representative Jay Moyer withdrawing their names, Mensch had a clear path to the nomination that he received on August 6.

[6] On September 29, Mensch defeated Democratic Lansdale Borough Council member Anne Henning Scheuring with 66% of the vote.

[1] Senator Mensch was elected by his Republican colleagues to serve as Majority Caucus Chairman, a leadership position, for the 2019-2020 legislative session.

He also chairs the Legislative Budget and Finance Committee, which conducts studies and makes recommendations aimed at eliminating unnecessary government spending.