When to use it
Use it when planning your longer-term development or deciding what to learn next.
How to apply it
- Name your core area of depth.
- List the adjacent disciplines you work with most often.
- Rate your knowledge of each adjacent area from 1 to 5.
- Pick one adjacent area to raise by one level this year.
- Keep at least one goal each year that deepens your core expertise.
Tip: Breadth without depth makes you a generalist nobody calls first; protect the vertical bar.