Silicon Valley Tax Directors Group

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William DeFazio


William DeFazio

BS Elmira College; MBA Sacred Heart University; MS Taxation University of New Haven; CPA, New York

Vice President Global Tax and Treasury

Blackhawk Network

6220 Stoneridge Mall Road

Pleasanton, California 94588


203.913.2034 PHONE

Professional Organizations

North Bay Tax Directors Group, TEI, AICPA, NYSSCPA


Currently Head of Tax and Treasury for Blackhawk Network, responsible for all tax and treasury matters globally. Prior to Blackhawk, Bill was a TMT tax partner with Ernst & Young in New York, the SVP of Global Tax & Treasury at Time Inc., the VP Global Tax Operations at 21st Century Fox, and a TMT tax director at PwC.

Company Profile

Blackhawk Network is a leading prepaid payment network utilizing proprietary technology to offer a broad range of prepaid gift, telecom and debit cards, in physical and electronic forms, as well as related prepaid products and payment services in the United States and more than 20 other countries.