Scottsdale, Arizona, United States
San Diego, California, United States
Flagstaff, Arizona, United States
Offers Virtual Sessions
Willing to Travel





Ready to get more of what you want from your business? Let’s talk. Book your free introductory call with me to share your business needs and challenges. I’ll share my background and style. No pressure, just a real conversation to see if we’re the right fit.
Hear from the business leaders and teams I’ve had the privilege of guiding through their EOS journey.
Insightful guidance, practical tips, and real-world stories to help you strengthen your leadership team and run a better business.
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mark.stone@eosworldwide.com
Scottsdale, Arizona, United States
San Diego, California, United States
Flagstaff, Arizona, United States
You already know something’s off. Meetings that go nowhere. The same issues resurfacing every quarter. Good people in the wrong seats — or the right people with no clear seat at all.
I’ve been there. Twice. I founded my first training company in England at 23 and my second in the US at 26. Without knowing the language for it yet, I was the Integrator in one and the Visionary in the other. Our daily battle was matching capacity to sales, and the lesson that stuck was simple: get the right people on board, give them the right tools, and most problems solve themselves. Get that wrong and nothing else matters.
That experience sent me down a path — an MBA, a doctorate in Organizational Development, years teaching entrepreneurship and leadership at the college level — all chasing one question: what actually makes a leadership team work? EOS is the best answer I’ve found. Simple, complete, and proven.
As your Implementer, here’s what my clients say you can expect:
Balance. Honest and serious, while putting everyone at ease. The hard conversations happen — they just don’t have to hurt.
Positivity. I help people see strengths they didn’t know they had. Teams leave sessions with more belief than they walked in with.
Simplification. If we can use fewer, shorter words — let’s.
Momentum. I work quickly with people who know what they want. We don’t admire problems; we solve them.
One more thing that matters to me: I’m not building dependence. Several of my client teams have strengthened to the point of graduating — running EOS purely, on their own, without me in the room. That’s the goal. A great Implementer works themselves out of a job, one healthy team at a time.
If that sounds like a fit, let’s have a real conversation. No pressure, no pitch — just an honest look at whether I’m the right guide for your team.
Please reach out to book a meeting: mark.stone@eosworldwide.com