Safety Culture

How Dr. Thomas Krause Thinks About Culture Between People

Dr. Thomas Krause argues that safety culture becomes credible through the relationships and decisions that carry worker concerns into changed work.

By 7 min read
corporate environment depicting how dr thomas krause thinks about culture between people — How Dr. Thomas Krause Thinks About

Key takeaways

  1. 01Treat safety culture as the quality of interactions that carry worker information into decisions.
  2. 02Test declared values by tracing whether risk evidence changes schedules, resources, staffing, or authority.
  3. 03Segment trust data so averages do not hide the groups that have stopped speaking up.
  4. 04Review incidents through earlier design and management decisions, not only the last action before harm.
  5. 05Trace 10 concerns for 30 days to make leadership follow-through visible.

Episode 11 of the Headline Podcast, published on December 3, 2025, features Dr. Thomas Krause discussing why leadership quality predicts whether a safety initiative survives daily pressure.

His argument changes the unit of analysis from the poster on the wall to the relationship in which a worker decides whether to speak, a supervisor decides whether to listen, and a leader decides whether the work must change.

What did Thomas Krause say about where culture lives?

Safety culture lives between people when shared expectations become visible in everyday conversations, decisions, and follow-through. In Episode 11, Dr. Thomas Krause argued that culture is not stored in a policy library or reduced to a survey score, because the decisive evidence appears in the interaction between a worker, a supervisor, and the manager who controls the work conditions.

Krause described culture as relational rather than decorative. A value becomes credible when a person can raise a concern, receive a serious response, and see the decision change when the evidence warrants it. That sequence can happen in less than 10 minutes, yet it may reveal more than a 100-question perception survey.

This view is consistent with the way OSHA describes worker participation, which places workers close to hazard identification, reporting, and prevention decisions. The important test is not whether participation exists on an organizational chart. The test is whether a worker's information changes what happens next.

That distinction also explains why the difference between compliance and lived safety culture matters. Compliance can document that a conversation occurred. Culture determines whether the conversation carries enough weight to alter the work.

Why does declared value fail to change daily decisions?

A declared safety value fails when leaders reward output, speed, or silence more consistently than they reward risk information. Krause's Episode 11 message is practical: the value becomes real only when people can observe a choice in which safety evidence changes a schedule, a resource decision, a staffing plan, or the authority to continue.

Organizations often announce care while designing routines that punish the behavior care requires. A supervisor may be told to encourage questions, then measured against a production plan that leaves 3 minutes for a pre-task discussion. A manager may ask for transparency, then treat every reported deviation as a personal performance failure.

The contradiction is easy to miss because the language remains positive. The site has a safety moment, the leadership team signs a commitment, and the monthly report shows 98% training completion. None of those facts proves that a concern can move a decision.

In more than 250 cultural transformation projects, Andreza Araújo's editorial work has repeatedly treated this gap between declared and operated culture as a management problem, not a motivation problem. Her book Safety Culture: From Theory to Practice makes the same point from a different angle, namely that culture is visible through choices that people can observe and predict.

What does leadership quality reveal about safety performance?

Leadership quality is visible in the conditions leaders create for safe decisions, not in how fluently they speak about safety. Dr. Thomas Krause said the strongest predictor of success in a major safety initiative was the quality of leadership given to it, which means senior leaders must inspect decision behavior, not only program activity.

A leader who asks for a safer outcome but withholds time, people, maintenance access, or escalation authority has created a weak control. The request may sound serious, yet the operating system teaches employees that the real priority is to keep the plan moving.

"We were surprised to learn the strongest predictor of success was the quality of leadership given to the initiative." Dr. Thomas Krause, Episode 11 of the Headline Podcast

Leaders can test this by reviewing five decisions from the last 30 days. For each one, they should record the risk information available, the person who raised it, the decision owner, the resource that changed, and the evidence that closed the concern. This is more revealing than counting leadership walks because it shows whether attention became action.

Andreza Araújo's experience across 25+ years of multinational EHS leadership adds a useful warning. During her PepsiCo South America tenure, the accident ratio fell 50% in six months, but a result like that should not be copied as a slogan. The leadership question is which decisions, routines, and accountabilities made the change possible, and whether those conditions remained present after the project received recognition.

How should leaders read trust data without congratulating themselves?

Trust data becomes useful when leaders study the people who do not trust the system, rather than celebrating the average. In Episode 11, Krause noted that 60% of employees could trust their supervisor while the organization still ranked in the 90th percentile, leaving 40% of the workforce outside the story leaders wanted to tell.

An average can hide a concentrated exposure. The 40% may sit on the night shift, in a contractor group, under one supervisor, or in a function where production pressure is highest. Aggregation turns a local warning into a reassuring number.

Senior EHS leaders should segment trust questions by shift, supervisor, tenure, employment status, and work type, provided the sample remains large enough to protect confidentiality. The goal is not to identify a "bad" manager through a single score. The goal is to find where people stop sharing information before the organization knows why.

NIOSH recommends treating safety culture as an organizational condition that shapes how safety is prioritized and practiced. That framing supports a better question than "Do people trust us?" Leaders should ask, "Where does trust fall below the level needed for timely risk information, and what work condition is producing that pattern?"

What changes when investigators examine system decisions?

An investigation becomes more useful when it examines the decisions that shaped the work before the event, not only the action closest to the harm. Krause observed that incident analysis often blames an employee for not following a procedure, even though system factors established by decisions made 1 or 5 years earlier may have made the procedure difficult to follow.

This approach does not remove individual responsibility. It places the action inside its operating conditions, which include equipment design, staffing, maintenance, training quality, workload, supervision, and the authority to stop. A procedure that cannot be followed during a normal 12-hour shift is evidence about the system, even when a worker technically deviates from it.

"Incident analysis always looks like it was the employee's fault for not following the procedure, but look deeper and you see following it was made very difficult by system factors set by decisions made a year, or five years, ago." Dr. Thomas Krause, Episode 11 of the Headline Podcast

The first interview question should therefore be specific. Instead of asking why someone failed to comply, ask what made the expected action difficult, what competing demand was active, and which earlier decision created that demand. The answer may identify a design or governance problem that a disciplinary response would leave untouched.

That is why a disciplined incident review separates facts, assumptions, decisions, and missing evidence. It also explains why asking what happened instead of who caused it can produce stronger corrective action without pretending that every choice had the same consequence.

Culture between people versus culture on paper

Culture on paper describes the organization it wants to be, while culture between people reveals the organization employees can safely rely on. The difference becomes visible when a reported concern creates a 24-hour decision, a 7-day follow-up, or no response at all.

Culture on paperCulture between people
Safety is named as a core value.A leader changes a decision when credible risk evidence appears.
Workers are invited to participate.A worker's concern reaches someone with authority to act.
Investigations identify noncompliance.Investigations examine earlier design, staffing, and management decisions.
Trust is reported as one average.Trust is examined by the groups and conditions where it breaks down.
Leadership activity is counted.Leadership follow-through is verified after the conversation.

ISO 45001 specifies a management-system approach that connects leadership, worker participation, planning, and operational control. The standard does not make a culture credible by itself. It gives leaders a structure whose value depends on whether people experience those elements as connected in the work.

The comparison also protects against a common mistake. A weak culture is not always loud, hostile, or visibly careless. It can look orderly while people learn that raising a concern creates delay, embarrassment, or extra work without changing the final decision.

How can a senior EHS leader test the idea in 30 days?

A senior EHS leader can test whether culture lives between people by tracing a small set of real concerns from first report to final decision over 30 days. The test should follow evidence, response time, decision ownership, resource change, and worker response rather than relying on a new campaign or a larger awareness message.

Choose 10 recent safety concerns across at least 2 shifts and 3 levels of the organization. For each concern, capture the original wording, the first response, the person who could authorize a change, the action taken, and what the reporting worker was told afterward.

Then interview the decision owners. Ask whether the information changed the plan, why the chosen response was proportionate, and what would have caused a different decision. When leaders cannot answer those questions, the organization has a traceability gap even if the concern was formally closed.

Close the month by returning to the reporting workers. Ask whether they believe the response addressed the exposure, whether they would report a similar concern again, and which work condition still makes the safe choice difficult. This final step matters because a closed ticket is not the same as restored trust.

Use the findings to repair one routine, such as escalation timing, supervisor coaching, maintenance priority, or contractor coordination. The objective is not to launch 10 actions. It is to make one visible change that proves useful information can move through the organization and alter the work.

Recommendation

Leaders should treat every safety conversation as a test of the relationship that carries risk information into a decision. Start with 10 concerns, trace them for 30 days, and publish what changed, because a culture becomes credible when workers can predict that evidence will be heard and acted upon.

Dr. Thomas Krause's central lesson from Episode 11 is not that culture needs better language. It is that culture needs better interactions, especially when workload, schedule, hierarchy, or past decisions make the safe choice harder.

That is also why safety leadership should be judged by the decisions people can see, not by the values leaders can repeat. If you are building that discipline, use the Headline Podcast as a source of practical conversations, compare your findings with the safety dialogues that change work, and listen to the full conversation with Dr. Thomas Krause on Headline Podcast.

For broader guidance, the OSHA worker-participation guidance and the evidence-based safety culture resources from NIOSH provide useful reference points. The work still belongs to the leaders and teams who decide what happens after a concern is raised.

Topics headline-podcast safety-culture safety-leadership worker-voice trust incident-investigation

Frequently asked questions

What is Thomas Krause's main safety-culture argument?
Thomas Krause argues that safety culture lives between people, where workers raise concerns, supervisors respond, and leaders change work conditions when credible evidence requires it.
Why can a high trust score still hide a safety problem?
A high average can conceal a group, shift, contractor population, or supervisor relationship where trust is much lower. Leaders should segment results before deciding that the culture is healthy.
How should incident investigators use this perspective?
Investigators should examine the earlier decisions, design constraints, staffing, workload, and supervision that shaped the event, while still describing the actions and responsibilities involved.
What can an EHS leader do in 30 days?
Trace 10 recent concerns from report to decision, record who owned the response, verify what changed, and ask reporting workers whether they would raise the same concern again.

About the author

Andreza Araújo

Safety Culture Expert | Senior EHS Executive

Andreza Araújo is a safety culture expert and senior EHS executive with more than 25 years of experience in environment, health and safety. She is a Civil Engineer and Occupational Safety Engineer from Unicamp, holds a Master's degree in Environmental Diplomacy from the University of Geneva, and completed sustainability studies at IMD Switzerland. Andreza has served in Global Head of EHS roles in Fortune 500 environments, leading cultural transformation programs across multinational operations. She has represented Brazil as a speaker at the United Nations in Paris and has spoken at the International Labour Organization in Turin. She is the author of more than 16 books on safety culture in Portuguese, Spanish, English and German. Her work has earned more than 10 EHS awards, including two recognitions from Indra Nooyi, former PepsiCo CEO.

  • Civil & Safety Engineer (Unicamp)
  • M.A. Environmental Diplomacy (University of Geneva)
  • Sustainability Cert (IMD Switzerland)
  • People Management & Coaching (Ohio University)
  • UN Paris speaker representative for Brazil
  • ILO Turin speaker
  • LinkedIn Top Voice
  • Indra Nooyi PepsiCo CEO recognition (2x)

Documentaries

Watch Andreza's documentaries

Three productions on safety culture, organizational failure and the human lessons behind major disasters.

Podcasts

Listen to Andreza's podcasts

She hosts three shows on safety leadership, EHS and organizational culture, in English and Portuguese.

Summarize with AI