Ora Grinberg

Associate, Tax  

Mountain View 650.335.7845


Ora Grinberg focuses her practice on U.S. corporate and international taxation. She represents clients in tax planning and tax controversy matters, with emphasis on international tax planning, cross-border and domestic mergers and acquisitions, and restructuring. Her clients come from a diverse set of industries and geographic jurisdictions (including both domestic and foreign entities) and range in size from start-ups to large Fortune 500 companies.

Ora has substantial experience representing buyers and sellers in domestic and cross-border merger and acquisition transactions. She represented Symantec in its $7.4 billion sale of its worldwide information management business – a transaction for which Fenwick & West was honored with the Global Private Equity Deal of the Year award by M&A Atlas. She also represented Diamond Foods in its approximately $1.9 billion acquisition by Snyder’s-Lance. She represents Cisco on its acquisitions, including its $3.7 billion acquisition of AppDynamics, its $1.4 billion acquisition of Jasper Technologies, its $700 million acquisition of Acano (a U.K. company), and its $320 million acquisition of Leaba Semiconductor (an Israeli company).

Fenwick has one of the World’s Top Tax Planning and Tax Transactional Practices, according to International Tax Review, and is first tier in Tax Planning, Tax Transactional, and Transfer Pricing, according to World Tax. Fenwick & West is consistently named San Francisco Tax Firm of the Year by International Tax Review. Fenwick also has received multiple International Tax Review M&A tax awards including “Americas M&A Tax Firm of the Year.”

Ora speaks at conferences for professional tax groups and leads workshops on Business Law Basics for new entrepreneurs. She regularly provides pro bono services to various nonprofit organizations and low-income individuals. For the last 6 years, Ora has volunteered for Tax-Aid as a tax expert and has served as co-site manager for the last 5 years.

During law school, Ora has served as a Supervising and Senior Executive Editor for the Berkeley Business Law Journal and was a recipient of the Berkeley Law and Economics Fellowship.