Isabel Stack is a consultant at Winterberry Group since April 2021, bringing expertise in strategic projects and client engagement. Previously, Isabel served as an organizing fellow for the Montana Democratic Party, focusing on campaign efforts for Steve Bullock and coordinating grassroots mobilization. Experience at Third Bridge Group Limited as a senior associate involved conducting primary research to support major global management consulting firms on various strategic initiatives, including private equity due diligence. Earlier roles include internships at Network 20/20, enhancing event support for foreign policy discussions, and at DEPOCEN, where cataloging civil society organizations contributed to philanthropy assessments in Southeast Asia. Isabel Stack holds a Bachelor of Arts in Public Policy and Leadership from the University of Virginia and graduated from The Taft School.