Background & Experience

Mark Rapson, a Shareholder with KatzAbosch, joined the firm in 1996. He serves on the Medical Practice Services and Business Accounting Solutions Group and Chairs the firm’s Health & Life Sciences Service Group. Mark has also published articles on accounting, tax, and management issues, and has presented at numerous conferences. He is an active member in the Tech Council of Maryland and the Greater Baltimore Tech Council.


  • Towson State University, Bachelor of Science, Management
  • University of Baltimore College of Notre Dame of Maryland, Additional graduate and undergraduate level accounting, taxation, and business law courses.

Areas of Specialization

Mark provides a full range of accounting and tax services for clients specializing in the medical fields including:

  • Full-service outsourced accounting and finance
  • New business planning and start-up
  • Cost management and budgeting
  • Taxation and tax planning
  • Management advisory services
  • Research and development credit planning
  • International accounting
  • Mergers and acquisitions due diligence

Professional Designations

  • Certified Public Accountant, 1997

Professional Affiliations and Civic Involvement

  • American Institute of Certified Public Accountants (AICPA)
  • Maryland Association of Certified Public Accountants (MACPA)
  • Life and Breath Foundation
  • Excigen, Inc., Treasurer
  • Greater Baltimore Tech Council
  • Tech Council of Maryland
  • Harford County Library Foundation, Past Board Member
  • Towson University Alumni Board Member