Interacting with the people, social gatherings.
The salary is about 20% under market levels.
It gave the impression that eqch person matters.
Space to grow and experience things. Positive and impactful company mission.
Social aspects. Great people, chemistry, there is a special social culture that makes it great to be there.
Smart, knowledgeable, involved, deeply caring about the company, mission and people. Not doing micromanagement, leaving a lot of space to grow. This also has negative effects, as in leaving too much space for middle managers to abuse others or have their teams completely slacking off.