Mark is a CPA with a BBA in Accounting from the University of Texas in Austin. He worked in public accounting (mostly tax and auditing) and then Houston Natural Gas (mostly utility rate making matters, economic feasibility studies and SEC work). From there, he went to Rowan Companies PLC and spent most of his time there as the Corporate Secretary working for the Company's Board of Directors and being part of its financial management, which entailed a large amount of responsibility in the area of SEC work. Additionally, he had various executive responsibilities which entailed serving on the Company's Pension and 401(k) Finance Committees as well as serving as its liaison with telecommunication providers, printing companies and graphic design firms. He was the founding President of the Houston Chapter of Active Corps of Executives (a brother organization to SCORE) back in the 1970s and was the SCORE Southeast Texas District Director during the period 2011 -2015. He has been retired since 2006.