Professional
• Certified Public Accountant (CPA) 1983
• Chartered Life Underwriter (CLU) 1979
• Principal and Founder, Manoa Consulting Group, LLC, CPAs (formerly Isaac W. Choy, CPA, Inc.)
• Member of the Hawaii Association of Public Accountants (HAPA)
• Past state President of the Hawaii Association of Public Accountants (HAPA) from 2003-2006; past state Treasurer
• Member of the UH School of Accountancy Advisory Board
• Frequent lecturer for various accounting organizations, speaking on tax and accounting matters, peer review, and ethics
• Member of HAPA, Society of FSP, Hawaii Estate Planning Council, American Institute of Certified Public Accountants and the HSCPA
• Past Chairman, Tax Review Commission (2005-2007.) The Commission conducted a systematic review of Hawaii's tax system and recommended to the legislature long- term tax policies.
• United States Marine Corps, 1971-1973 (honorably discharged)