Overview

Defining a circle of competence is simply acknowledging what you know as a professional, by especially focusing on areas in which you have deep subject matter expertise, i.e. specialist knowledge. In product development, this needs to be defined for all the individuals on a team. On the flip side, it is also very important to agree on what each person does not know. The benefits of delineating these are firstly, you will save a lot of time leveraging each person’s strength rather than when team members try to learn things in which they have no deep expertise; and secondly, there is a higher probability of success when each person is focused on specialist areas.—Karen A

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20 Mental Models for Product Managers

Memory fails me on the exact sequence of events that led me to discovering mental models and how I became obsessed with them. This is unsurprising because I read a lot of stuff - articles, books, and more; partly because I love the experience of reading (and writing), and partly because it's more or less a requirement when you work as a Product Manager, but mostly because I have an insatiable, unquenchable thirst for knowledge.

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