Mark has an extensive background in industrial law having practised in the area for the past 15 years.He spent the years 1989-90 as Associate to Justice Michael Moore, the then Vice President of the Australian Industrial Relations Commission now of the Federal Court.

In 1990 he joined Carroll & O'Dea Solicitors of Sydney where he had the opportunity to work on the Byrne & Frew - v - Australian Airlines case which ultimately was heard by a Full Court of the Federal Court and then the High Court. In 1992 Mark joined Maurice Blackburn where he remained for 3 years practising in the Employment and Industrial Law Section.

In 1995 Mark accepted the position as National Industrial Officer of the Health Services Union of Australia, a position he retained until commencing to read at the Bar. This was a most challenging role in which he was involved in negotiating industry wide enterprise bargains. Mark has pursued test cases before the AIRC and State Industrial Commissions across Australia and was involved in the drafting of the submissions of the ACTU to the Senate Enquiry into the Workplace Relations Bill.

Mark has written extensively on Industrial and Employment Law; some examples are;
* Book "Enterprise Bargaining and the Law."
*Articles "Successor Provisions in the Industrial Relations Act and Union Eligibility Rules (1991."
"Union Amalgamations under the Industrial Relations Act (1992)"
"Enterprise Bargaining in NSW (1992)"
"The Use of the Trade Practices Act in the Employment Context (1993)"
"Recent Developments in Employment and Industrial Law (1994)" co-authored with Matthew O'Connor.
"Implied Terms in the Employment Contract: recent developments (1995)" co-authored with Mandy Chambers.
"The Transfer of Industrial Relations Matters from the Victorian Parliament to the Commonwealth (1996)."
"Victorian Industrial Law (1997)" (the Victorian Industrial Law tab of the Australian Labour Law Reporter)
"The Laws of Australia, Employment Law Chapters" (in preparation).
"The Awarding of Legal Costs in the AIRC" 1998.
1998 commentary on Unfair Dismissal laws for Butterworth's Federal Industrial Law [ forthcoming].

Mark is currently the Victorian Consultant to CCH Australia on Employment Law.