People

Knowledge Transfer: Do Not Let Expertise Leave with People

Expertise that is not captured is lost when its holders leave.

Updated 2026·4 min read
  • Identify critical knowledge — What cannot be lost
  • Gather — Capture and collect
  • Share — An environment that encourages transfer
  • Lessons register — Memory updated continuously

Knowledge transfer ensures project expertise is not lost when people leave. It covers identifying critical knowledge, gathering it, and fostering an environment that encourages sharing. Knowledge is of two kinds: explicit, easy to document, and tacit, passed through interaction and observation. The lessons learned register is a key tool: it records what worked and what struggled to benefit the current project and later ones.

Common mistake

Deferring lessons documentation to the project end. Instead, record them continuously throughout the life cycle.

Record lessons continuously; do not wait for the end.

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Knowledge is a real project asset, and losing it when people leave is a recurring loss unless managed. Knowledge transfer starts by identifying what is critical, then gathering and documenting it, then fostering an environment that encourages sharing through dialogue, documentation, and pairing. Explicit knowledge is captured in documents and templates, while tacit knowledge passes through observation, shared practice, and mentoring. The lessons learned register forms the project institutional memory: updated continuously rather than at the end, allowing course correction during execution, then feeding the organization assets so future projects benefit.

Frequently asked questions

What is the difference between explicit and tacit knowledge?

Explicit is easily documented; tacit passes through interaction and observation.

When are lessons learned documented?

Continuously throughout the life cycle, not only at the end.

What is the lessons learned register?

A tool recording what worked and struggled to benefit the current and later projects.

How is tacit knowledge transferred?

Through observation, shared practice, mentoring, and pairing, not documentation alone.

Why does knowledge transfer matter?

It preserves project expertise from loss when people leave and speeds future projects.