Powell has more than 15 years of international tax experience, during which time he has served as an advisor to individuals and corporations as regards global taxation planning and business transactions.

He is also well-versed in matters related to federal and international compliance, tax accounting and withholding, Gumbiner said. For example, he has helped clients navigate through international tax issues associated with penalties pursuant to FATCA, intergovernmental agreements, mergers and acquisitions, and restructures, among other issues.