Daniel Kahneman – a Nobel laureate for economics and also my mentor – claims that there are three things needed to become an expert:

  1. precise and professional instructions on “how to work”;
  2. a lot of practice;
  3. and precise, high quality feedback on their work.


What is important, these three elements are applicable to us, our employees, managers and leaders.

All products made by tristan tresar™ were created in compliance with three aforementioned rules.


what does it mean?

  1. firstly, they include professional, high quality tool instructions.
  2. secondly, participants learn products when experiencing how they work in practice.
  3. thirdly, they receive feedback when they are being used.


learn more.