Danielle Bayer

Danielle is Evidence Action's CEO, having joined the organization in February 2025 as Chief Growth Officer and served as Interim President since September 2025. Danielle brings nearly two decades of experience building and leading organizations at the intersection of global development and evidence-based impact. As Managing Director at Founders Pledge, she helped grow pledged giving from $1 billion to $7 billion and giving to highly effective charities like Evidence Action by more than ten times. She previously served as a director at the Tony Blair Foundation-US and Tony Blair Africa Governance Initiative-US. Her commitment to effective giving is reflected in her board roles at Founders Pledge, IDinsight, and The Agency Fund, organizations at the frontier of evidence-based philanthropy. She holds an MS in Management from Stanford Graduate School of Business and a Master of Public Administration from Harvard Kennedy School.