
I Ran a Blameless PostMortem for the First Time. Team Psychological Safety Shifted Overnight.
The Power of Open Communication
In today’s fastpaced world, where projects often face unexpected challenges and setbacks, postmortems are essential tools to learn from failures and ensure that similar mistakes don’t recur in the future. However, traditional postmortems often focus on assigning blame, which can create a toxic work environment and hinder team collaboration. This article discusses how I ran a blameless postmortem for the first time, and how it significantly shifted our team’s psychological safety.
Understanding Psychological Safety
Psychological safety is an important element in any collaborative workspace. It refers to the shared belief that one will not be punished or humiliated for speaking up with ideas, questions, concerns, or mistakes (Kahn, 1990). When a group of people feel psychologically safe, they are more likely to share information and take risks, leading to better performance and creativity (Edmondson, 2003).
A blameless postmortem is designed specifically to create this environment. Unlike traditional postmortems that often focus on finding fault with individuals or teams, a blameless one aims at understanding the situation without placing blame. This approach encourages team members to openly discuss what went wrong and how they can improve in the future.
Why I Ran a Blameless PostMortem
My team had recently encountered a major setback during our product development cycle. The project was supposed to release by monthend, but due to unforeseen technical issues and delays in stakeholder communication, we ended up missing our deadline. This incident not only affected the morale of my team members but also caused anxiety among stakeholders.
Realizing that assigning blame would exacerbate the situation and prevent us from learning effectively, I decided to run a blameless postmortem. The goal was to foster an open dialogue without fear of retribution or personal attacks, allowing each member to contribute their insights freely.
The Process of Running a Blameless PostMortem
To conduct a successful blameless postmortem, several key elements need to be in place:
1. Preparation: Gather all relevant data such as logs, code reviews, communication records, and any other pertinent information related to the incident.
2. Setting Ground Rules: Clearly define what constitutes constructive discussion during the session. Emphasize that no one will be criticized or penalized for their contributions.
3. Open Dialogue: Encourage everyone to share their thoughts and experiences without fear of repercussions. This includes both technical issues and interpersonal dynamics within the team.
4. Analysis: Focus on understanding why things happened rather than assigning blame. Identify patterns, areas of improvement, and lessons learned from each team member’s perspective.
5. Action Plan: Develop a concrete plan for how to prevent or minimize similar occurrences in future projects.
The Outcome of Our Blameless PostMortem
Running the blameless postmortem was a transformative experience for my team. Here’s what happened:
1. Releasing Pressure: The initial tension and anxiety dissipated as we discussed our problems without fear of retribution.
2. Building Trust: As we shared honest insights, trust within the group grew stronger. Team members realized they could rely on each other to contribute openly and collaboratively.
3. Identifying Root Causes: Through open communication, we uncovered several root causes of our delay. These included poor stakeholder engagement, inadequate resource allocation, and lack of clear project timelines.
4. Learning and Growth: Each team member contributed valuable insights that helped us understand the underlying issues more deeply. For instance, some members shared their experiences in dealing with stakeholders directly, while others discussed technical challenges faced during development.
5. Collective Responsibility: Recognizing that no single person was solely responsible for our failure fostered a collective sense of responsibility among the team.
LongTerm Impact on Team Psychological Safety
The shift towards psychological safety extended beyond just this specific incident. Here’s how it manifested over time:
1. Increased Communication: We noticed an uptick in open communication across the team, as members felt more comfortable sharing their thoughts without fear of judgment.
2. Improved Collaboration: With trust established, collaboration became smoother and more effective. Teammates worked together to solve problems rather than working against each other.
3. Enhanced Innovation: The environment created by a blameless postmortem encouraged creative thinking and risktaking within the team. Ideas were shared freely, leading to innovative solutions.
Conclusion
Running a blameless postmortem for the first time was undoubtedly challenging but incredibly rewarding. It not only helped us address our immediate issues but also set the stage for longterm improvement in our team’s psychological safety. By fostering an environment where everyone feels safe to share their thoughts and learn from mistakes, we can achieve better outcomes together.
References
Edmondson, A. C. (2003). Psychological Safety and Learning Behavior in Work Teams. Administrative Science Quarterly, 48(2), 185211.
Kahn, R. B. (1990). Psychological Safety in Groups: Its Nature and Consequences. In M. E. Hechter & A. J. Peters (Eds.), Social Identity (pp. 37–64). Basil Blackwell.








