Ann Mei Chang is the author of Lean Impact: How to Innovate for Radically Greater Social Good. She was the Chief Innovation Officer at USAID and served as the first Executive Director of the US Global Development Lab, engaging the best practices for innovation from Silicon Valley to accelerate the impact and scale of solutions to the world’s most intractable challenges. Ann Mei earned a Bachelor of Science degree in Computer Science from Stanford University and has been recognized as one of the “Women in the World: 125 Women of Impact” by Newsweek/The Daily Beast.