114. Culture Lessons from a Nuclear Disaster that Wasn't. With Safety Culture Researcher Dr. Teemu Reiman

114. Culture Lessons from a Nuclear Disaster that Wasn't. With Safety Culture Researcher Dr. Teemu Reiman

From Responsible Leaders - Healthy Cultures by Tobias Sturesson, Heart Management

May 27, 2026 · 48 min

About this episode

Dr. Teemu Reiman discusses the impact of organizational culture on safety outcomes in nuclear power, highlighting lessons from the 2011 tsunami.

Dr. Teemu Reiman shares insights from 25 years studying safety culture in nuclear power, healthcare, and defense. He contrasts how two Japanese nuclear plants hit by the same 2011 tsunami had vastly different outcomes based on their organizational cultures. This conversation reveals why safety is fundamentally a leadership and cultural challenge, not just a technical one. You'll discover practical frameworks for building organizations that learn from failure, close the gap between procedures and reality, and create environments where expertise trumps hierarchy when safety is at stake. In this episode, we explore: (00:00) Why culture determined two nuclear plants' fate during tsunami (02:42) Leadership credibility through actions, not safety slogans (08:23) Learning from Fukushima versus Onagawa nuclear plant responses (25:50) Work as imagined versus work as done gaps (27:34) Overdesigning systems after incidents makes things worse (28:23) Breaking organizational silence and encouraging real feedback (30:03) Why separate safety, quality, ethics cultures compete destructively (35:36) Building sensitivity to operations and preoccupation with failure (40:37) Resisting…

People in this episode

Host: Tobias Sturesson

Guest: Dr. Teemu Reiman

Topics covered

  • safety culture
  • leadership
  • organizational culture
  • nuclear power
  • learning from failure
  • feedback
  • complex problem solving

Keywords

  • safety
  • nuclear disaster
  • organizational culture
  • leadership credibility
  • Fukushima
  • Onagawa
  • feedback
  • hierarchy
  • failure
  • safety decisions

Mentioned in this episode

Organizations: Heart Management

Books & works: You Can Culture: Transformative Leadership Habits for a Thriving Workplace, Positive Impact and Lasting Success

Places: Japan

More episodes of Responsible Leaders - Healthy Cultures

Explore listener stats, chart rankings, contacts and more on the Responsible Leaders - Healthy Cultures podcast page.