The integration of Quaker testimonies and principles with environmental, social, and governance (ESG) investing presents both profound opportunities and unique challenges for Quaker nonprofit organizations, endowments, and foundations. Guided by centuries of spiritual practice and moral conviction, Socially Responsible Investing (SRI) in Quaker contexts aims to align financial decisions with core testimonies such as Peace, Integrity, Community, Equality, and Stewardship (Earthcare). This comprehensive approach demands both financial prudence and deep moral integrity, creating a sophisticated framework that extends beyond simple exclusionary screening to actively embrace shareholder advocacy, community development, and impactful investing strategies that reflect Quaker communal priorities and global responsibilities.