in the 2010 general election, posthumus lyons beat frank hammond with 25,943 votes, to 10,996 for hammond and 909 for libertarian robin vanloon. she was subsequently re-elected in 2012 and 2014. during her tenure, she chaired the house standing committees on education and on ethics and elections, and authored 32 public acts that were signed into law. posthumus lyons was term-limited in 2016 after serving three terms.