... for the implementation of sound, long-term tax policies that promote the global competitiveness of the U.S. high technology industry.

Member Profile

William DeFazio

Senior Vice President Tax and Treasury;




203.913.2034 CELL


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

Professional Organizations

North Bay Tax Directors Group, TEI, AICPA, NYSSCPA


Currently Head of Tax and Treasury for Okta, responsible for all tax and treasury matters globally. Prior to Okta, held tax/treasury leadership roles at Blackhawk Network, Time Inc. and 21st Century Fox, and was also a TMT tax partner with Ernst & Young and a senior manager with PwC, both in New York.


100 First Street, Suite 600

San Francisco, California 94105

Company Profile

Okta is the leading independent identity management platform for the enterprise. Okta’s vision is to enable everyone to safely use any technology, and we believe identity is the key to making that happen. Okta’s mission is to bring simple and secure data access to people and organizations everywhere.