Liam was educated at Cappagh N.S. and Ballybryan N.S.. Liam attended St. Joseph’s Secondary School Rochfortbridge and qualified as a teacher from the University of Limerick in 2008. Between November 2007 and Feburary 2008 Liam served as Vice-President of Young Fine Gael.
In June 2009 Liam was elected to Offaly County Council and served as Leas Cathaoirleach between 2012 and 2013. He was re-elected in 2014 and 2019.
He was elected as Cathaoirleach of Offaly County Council for 2017-18.