International Tax Professional

William L. Inchoco

Bar Admissions

  • Foreign Jurisdiction

Background & History

With more than 15 years of experience, William is an accomplished international tax professional with a proven track record of results blending business, legal, public policy, and taxation expertise in advising multi-national business organizations.

William provides invaluable counsel for clients operating in an environment of intense scrutiny and challenges brought about by the changing tax laws and ever-increasing regulatory environment. He has extensive expertise in the area of international taxation with specific expertise in corporate reorganizations, global restructuring, as well as U.S. inbound/outbound tax issues. He advises companies on emerging issues regarding 2017 Tax Reform legislation (i.e., Sec. 965, GILTI, FDII and BEAT) and provide insights on its impact on existing business models. He also advises companies on tax legislations and developments around the world including the impact of EU Directives, OECD guidelines, MLI and unilateral actions (i.e., DST).

William joined Frost Law in 2021 as Of Counsel with combined Big Four and corporate experience. Previously, he served as the International Tax Senior Advisor with the Global Tax Operations group at IBM Corporation in New York. His previous experience also included positions at Deloitte Tax LLP, Ernst & Young LLP. 

Past Employment Positions

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Education

  • Harvard Law School, International Tax Program Fellow
  • Harvard Kennedy School, Master’s in Public Administration
  • Ateneo de Manila University, A.B. Political Science

Languages

Professional Organizations & Memberships

  • International Fiscal Association Westchester, NY/CT Region, Executive Vice-President

Awards and Honors

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