Transitioning from Technical Expert to Project Leader: What Helped You the Most?

Excellent reflection — thank you for sharing!
In my case, the journey was a bit different: I have an engineering background, but I started directly in project management.
My technical education gave me a strong foundation in logical reasoning and structured thinking.
However, I quickly realized that succeeding in project leadership requires much more than technical knowledge — it’s about people, purpose, and delivering real value.
What helped me most along the way was developing a set of leadership habits, strongly inspired by The 7 Habits of Highly Effective People.

Here are a few I consider essential for those transitioning from technical expert to project leader:
Be proactive – take ownership of your own development and of project situations.
Begin with the end in mind – align the team’s work with value delivery.
Put first things first – manage priorities, not just tasks.
Think win-win – foster collaboration with a focus on sustainable solutions.
Seek first to understand, then to be understood – this is where active listening comes in, essential for building trust.
Synergize – value the team’s diversity and co-create better solutions.
Sharpen the saw – continuously invest in technical, emotional, and relational growth.

To those going through this transition, I’d say: leadership is a personal growth journey.
Technical expertise opens doors, but it’s the ability to influence, inspire, and serve that truly defines a project leader.