The Quiet Power of “Thank You” in Project Leadership

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In this fast-paced world of project delivery, where deadlines, deliverables, and decisions often dominate the agenda, there is one leadership act that costs nothing, takes seconds, and yet carries immense value: saying thank you.

I have realized the quiet but transformative power of gratitude not just in life, but especially in leadership. Too often, we assume our appreciation is understood, that our team members know they are doing a good job, or that, after all, “it’s their job.” But assumptions, no matter how well-intentioned, can create a void of recognition, and over time, that void affects morale, trust, and motivation. There have been moments when a simple “thank you” directed at me shifted my perspective, softened my approach, or reminded me of the value I was bringing often in times when I needed it most. It did not change the task, but it changed how I felt about doing it. And that made a lot of difference. As leaders, we should not underestimate this.

“Feeling gratitude and not expressing it is like wrapping a present and not giving it.”

— William Arthur Ward

Gratitude and the PMI Code of Ethics

The PMI Code of Ethics and Professional Conduct encourages us to embody values like Respect, Fairness, Responsibility, and Honesty. Saying thank you directly reflects:

Respect – acknowledging the dignity and contributions of every team member.

Responsibility – creating a culture of recognition, not just accountability.

Fairness – ensuring people feel seen and valued, not just managed.

Expressing gratitude is not just a social nicety it is a leadership competency. It aligns with emotional intelligence, stakeholder engagement, and the human side of delivery that PMI now recognises as central to modern project management.

Research backs this too. A Harvard Business School study showed that employees who feel appreciated are more productive, engaged, and loyal. The simple act of appreciation contributes to psychological safety a key enabler of high-performing teams.

“The deepest principle in human nature is the craving to be appreciated.”

 William James, philosopher, and psychologist

So, what can we do?

• Let’s make gratitude part of our professional practice!
• Say “thank you” frequently, but genuinely.
• Recognise the small wins, not just the milestones.
• Make appreciation part of your retrospectives, meetings, and feedback loops.
• Role-model it because leadership starts with behaviour, not titles.

Gratitude builds connection, and connection builds trust. And where there is trust, there is progress.

“People work for money but go the extra mile for recognition, praise, and rewards.”

— Dale Carnegie

So, here’s to remembering that while processes and plans keep projects on track, people move them forward. And sometimes, the most powerful tool in a project manager’s toolkit is simply saying: “Thank you.” It is a small act that reflects the very heart of the PMI Code of Ethics showing respect, fostering trust, and recognising the value every individual brings to the project.