David Ehrlichman is cofounder and coordinator of Converge, a network of systems strategists, designers, facilitators, educators, and evaluators committed to cocreating positive impact. Converge practitioners have helped develop over fifty impact networks across the United States and the world, taking action on issues as diverse as economic mobility, human rights, access to science, and healthcare reform. Ehrlichman previously worked as a consultant at the Monitor Institute and was a network coordinator for the Fresno New Leadership Network, the Santa Cruz Mountains Stewardship Network, and Sterling Network NYC.