Joel Cassman CPA is a financial planner and master tax advisor practicing in Washington DC, Northern Virginia and Maryland with more than 30 years of experience in tax work and in developing secure accounting information systems. He is a Certified Quickbooks ProAdvisor, a Certified Information Systems Security Professional (CISSP), a Certified Information Systems Auditor (CISA), a Certified Computer Forensic Investigator (CFI), a Certified Computer Security Analyst and a Licensed Computer Penetration Tester (LPT).