Liz Wiseman is a researcher and executive advisor who teaches leadership around the world. She is the author of New York Times bestseller Multipliers: How the Best Leaders Make Everyone Smarter, The Multiplier Effect, Rookie Smarts: Why Learning Beats Knowing in the New Game of Work and Impact Players: How to Take the Lead, Play Bigger and Multiply your Impact She is the CEO of the Wiseman Group, a leadership research and development firm headquartered in Silicon Valley, California.