Background & Experience

Mark Cissell joined KatzAbosch in 1985. Mark currently serves as Chief Executive Officer and President of KatzAbosch. With over 30 years of experience, Mark remains passionate about creating culture and imparting the vision of the firm on every KatzAbosch team member. Mark is closely involved with KatzAbosch clients throughout the Mid-Atlantic region in an advisory capacity. The services he provides include developing growth strategies, business and succession planning, and advising on mergers and acquisitions.


Western New England College, Bachelor of Science, Accounting

Areas of Specialization

Mark provides a full range of advisory services for clients, including:

  • Management advisory services for closely-held businesses and nonprofit organizations
  • Tax planning
  • General business advice and assistance to large medical groups
  • Consulting for government contractors

Professional Designations

  • Certified Public Accountant, 1984


  • Small Business Administration Accountant Champion of the Year, SBA, 2005
  • Smart CPA, Baltimore SmartCEO Magazine, 2005, 2012
  • Most Admired CEOs, Daily Record, 2016

Professional Affiliations and Civic Involvement

  • American Institute of Certified Public Accountants (AICPA)
  • Maryland Association of Certified Public Accountants (MACPA)
  • Howard County Chamber of Commerce, Past Board of Directors, Chair
  • Howard County Arts Council, Past Treasurer of the Board of Directors
  • Howard County Leadership, Class of 1997
  • Leadership Maryland, Class of 2011
  • Maryland Business for Responsive Government, Board of Directors
  • Maryland Chamber of Commerce, Board of Directors
  • University of Baltimore, Merrick School of Business, Dean’s Advisory Board
  • The Horizon Foundation, Board of Directors