sentences:  He was Vice President of Production for Quantum Quality Productions and Vice President of Game Development for Moto1, Inc.
  
  Mark was also instrumental in establishing early industry organizations.As early as 1988, Mark was an advocate for the forming of the Computer Game Developers Association (CGDA).In addition, he was a founding board member of the International Game Developer's Network (IGDN) which later merged with the CGDA to form the current International Game Developers Association (IGDA).