Mark attended Wollongong High School before studying a combined Commerce Law degree at the University of Wollongong. Mark graduated in 1999 and was admitted as a solicitor in December 1999.
Mark worked as an employed solicitor for a Wollongong law firm from 1999 to 2009 specialising in litigation claims, with a particular emphasis on Personal Injury claims. Other areas of law included Local Court appearances and Employment Law claims, together with general civil litigation disputes.
In 2009 Mark became Manager of a branch office for a Sydney based law firm specialising in compensation claims. He continued in this role until late 2010 when the firm was acquired by a National compensation firm. In 2010 Mark was successful in gaining NSW Law Society Accredited Specialisation in Personal Injury Law.
From 2011 to late 2012 Mark worked as a Senior Associate for a National Compensation firm.
Mark is a keen sportsman and has played cricket at Sydney first grade level. He continues to play first grade in the Illawarra competition for Keira, a club of which he is a Life Member. He is also President of the Illawarra Cricket Association. Other sporting interests include running (he has run 25 City2Surfs and 2 marathons), touch footy, yoga and watching NRL and AFL.
Johnston Legal is a proud sponsor of Cricket Illawarra, Tech Waratahs Rugby Club, Kembla Joggers, Illawarra Cycle Club and University of Wollongong Hockey Club