If someone is choosing between joining McKinsey or your startup it's very unlikely they're going to work out at the startup.

There's at least a hundred times more people with great ideas than people that are willing to put in the effort to execute them well.

Most founders have not managed people before, and they certainly haven't managed managers.

... you want to be proud of how much you can get done with a small numbers of employees.

In the early stage of a startup, hiring senior people is usually a mistake. You just want people that get stuff done.

In the early days of a startup, people's compensation is whatever you negotiate with a founder and it's all over the place.

Cofounder relationships are among the most important in the entire company.