Author

Books by Mark Horstman

Mark Horstman is the co-founder and CEO of Manager Tools, a management consulting and training company, and the co-host of the Manager Tools and Career Tools podcasts. He has trained managers at hundreds of organizations across multiple continents and spent years in sales management before moving into consulting. Horstman developed the Manager Tools behavioral framework with his business partner Mike Auzenne over more than a decade of working directly with managers across industries. The Effective Manager, published in 2016, is the primary written articulation of that framework.