After five years of service, Darian recently stepped down as Executive Director of Craigslist Foundation. He now helps produce Social Media for Nonprofits programs around the world, educating social sector leaders on how to advance fundraising, marketing, and advocacy efforts online. His new book, Nonprofit Management 101: A Complete and Practical Guide for Leaders and Professionals, includes practical tips and tools from 50 recognized experts across 35 topics. He also blogs for the Huffington Post and Skoll Foundation’s Social Edge. Heyman previously served as a Commissioner for the Environment for the City and County of San Francisco and is a public speaker that provides strategy, messaging, and fundraising consulting for nonprofits and green economy organizations.