Third Plateau is a full-service social impact and philanthropy consulting firm that partners with bold visionaries to drive meaningful and sustainable change. Our comprehensive services include philanthropic advising and management, strategic planning, program design, research and evaluation, leadership development, facilitation, philanthropic back-office support, and network management. In 2023, Hirsch Philanthropy Partners – one of the first philanthropic advising firms in the U.S. – joined with Third Plateau, uniting two industry-leading teams. Together, we work with the nonprofit, philanthropic, and public sectors to craft enduring strategies that achieve transformative, community-centered impact.