Mark is a member of the Maritime Law Association of the United States and the Recreational Boating Committee. In 2001, he became the General Counsel to the Marina Recreation Association. As General Counsel, Mark has presented numerous seminars on maritime law and related matters for the Association's members, and written numerous articles on maritime, marine, business, and related matters.

Additionally, Mark has worked on various business transactions and litigation involving the purchase and sale of business and corporate assets, real estate, copyright, trademarks, and unfair competition. He has served as counsel to over 100 corporations and takes pride in keeping most of them out of litigation so they can focus on growing their businesses. However, Mark has also served as lead counsel in both state and federal trials and binding arbitrations.

Mark always strongly encourages his clients to explore alternative dispute resolution methods, such as mediation, settlement conferences, and binding or non-binding arbitration, to avoid the expensive and risky process of trial.