David focuses on international corporate and partnership taxation and the taxation of blockchain technology. David has been named 2023 Tax Leaders by the International Tax Review’s Tax Leaders Expert Guide and is ranked in the highest tier for Tax law in Northern California by Chambers and Partners in 2023. David is included in Euromoney’s Tax Advisors Expert Guides (World’s Leading Tax Advisors, World’s Leading Transfer Pricing Advisors and was named one of the Top 30 U.S. Tax Advisors). He is also in The Legal 500 Hall of Fame and is regularly recognized in the Law and Business Research’s International Who’s Who of Corporate and Tax Lawyers. David is listed in Chambers USA America's Leading Lawyers for Business, and has been named a Northern California Super Lawyer in Tax by San Francisco Magazine.

David is a lecturer at Stanford Law School and UC Berkeley Law School where he focuses on international taxation. He is an editor of and regular contributor to the Journal of Taxation, where his publications have included articles on international joint ventures, international tax aspects of mergers and acquisitions, the dual consolidated loss regulations, and foreign currency issues. David is a frequent chair and speaker at tax conferences, including the NYU Tax Institute, the Tax Executives Institute, and the International Fiscal Association.