Mark Stanley

Mark Stanley is an entrepreneur, speaker, and Expert EOS Implementer® who has spent his career helping growth-minded leaders build stronger businesses through clarity, discipline, and data. As co-author of The Data Book—the third installment of the EOS Mastery Series—Mark brings a practical, real-world approach to simplifying numbers so leaders can make better decisions and get more of what they want from their businesses.

Mark is the founder of The WHY! Company and co-founder of the UNSTOPPABLE! Data-Driven Leader Community, a national movement focused on developing 6,000 data-driven leaders. With over 1,600 EOS sessions, he has built a reputation for straight talk, simple tools, and measurable results.

A lifelong learner, Mark’s work is shaped by a passion for helping people grow into the best version of themselves—at work and at home. He lives in Iowa with his family, loves travel experiences and drinking great wine with his friends.