The Transparency and Accountability Initiative (TAI) is a Proteus-sponsored donor collaborative that funds efforts to pass left-wing tax policies in Europe and the United States, such as the Global Alliance for Tax Justice, and privacy issues. ¹² TAI’s members include the Ford Foundation, Open Society Foundations, Luminate, Hewlett Foundation, and the MacArthur Foundation.

1. “The Grantees.” Transparency & Accountability Initiative. Accessed July 1, 2019. https://transparency-initiative.org/tax/grantees
2. “Who We Are.” Transparency & Accountability Initiative. Accessed July 1, 2019. https://www.transparency-initiative.org/who-we-are/