Mark E. Atkinson, MSCE/2000, CCA, CCNA

Director of Information Systems

Mark oversees all aspects of the Firm's computer network/telephone systems and is responsible for system updates, maintenance, and security.

In addition to his Firm responsibilities, Mark provides a variety of services for Sisterson clients, including development of network strategies, implementation & management of IT projects, day-to-day operations, network & server set-up, and performing IT Risk Assessment Audits.

He joined Sisterson in 1999 and has more than 32 years of field experience in a wide range of information technology functions. Mark's depth of knowledge and expertise enable him to provide qualified support in all aspects of IT services.


  • Certificate in Computer Technology - Control Data Institute, San Francisco, CA
  • Microsoft Certified Systems Engineer / NT
  • Microsoft Certified Systems Engineer / 2000
  • Microsoft Certified / 2003 Server & Exchange 2003
  • Citrix Certified Administrator
  • Cisco Certified Network Associate

Professional Affiliations

  • American Institute of Certified Public Accountants - IT Division
  • IEEE Computer Society
  • ISACA - Information Systems Audit and Control
  • AGN International

Areas of Expertise

  • Information Technology Assessment Consulting
  • Network Infrastructure Design, Implementation & Support
  • Network Security
  • Remote Network Services (Citrix Solutions & VPN Support)
  • Disaster Recovery Planning & Implementation
  • Microsoft Server, Desktop and Application Support
  • Microsoft Exchange Design, Implementation & Support
  • System Security and Network Penetration Testing

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