Marc Yeston

Marc Yeston- Human & Organizational Performance for High-Risk Work, Provides training to companies and organisations involved in high-hazard, high-value work.

About Marc Yeston

Human & Organizational Performance for High-Risk Work.

Over the course of his thirty-five-year career in public safety, Marc Yeston has worked as a Chief Ranger, a flight paramedic, a federal and state law enforcement officer, a firefighter, a ski patroller, a wilderness guide, an educator and a pilot. The bulk of his career was spent leading emergency and search & rescue operations within the U.S. National Parks.

Now a retired Chief Ranger, Marc serves as a presenter, instructor and consultant in Human & Organisational Performance, Safety Differently, Operational Learning and Wilderness Emergency Medicine. He has provided training to companies and organizations involved in high-hazard, high-value work ranging from high-voltage utility workers, mariners at sea, production floor employees, aviators, managers, supervisors and even astronauts. Marc works regularly with leaders in the field including Dr Todd Conklin and ‘The HOP Coach’ Bob Edwards.

“People, with few exceptions, take pride in their work and perform it reliably day after day. When something goes wrong it seems so easy to blame, fix and re-train the worker. We go home feeling like the problem has been identified and solved. When we do this, we’ve fixed nothing in our systems. We’ve left our workforce in the same environment that made the mishap or tragedy possible in the first place. Asking the right questions about the traps and vulnerabilities in our systems, working together to improve the conditions and engaging the ‘people who know the work’ is a bit harder to do initially but the payoff is immense.”

Marc engages workers and managers with dramatic stories from his world of high-hazard work. Participants come away with a new appreciation for the complexities their workers face every day but more importantly, they come away with a new vocabulary and fresh insights relevant to making their own worlds safer, more productive and so much better.

Areas of Expertise

Provides training to companies and organisations involved in high-hazard, high-value work.


Watch Marc Yeston – What is valuable in HRO theory?

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Human and Organisational Performance (H.O.P.)

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