A Business Undergrad and Master's failed to teach me how to lead.

So I spent 25 years studying legendary leaders and team builders.

Then, I refined what I learned into 24 simple leadership lessons.

But unlike an MBA, these won't cost you $100,000.

Here they are for free:

• Hire people you want to spend time with.

If you're looking to climb the leadership ladder, you're spending more time at work than at home.

Make sure you spend that time with people you like, so it's enjoyable.

Ask yourself: would I have this person over for a BBQ.

• Involve your team in hiring.

The more people who meet new colleagues, the more likely they will fit.

The number one rule is you cannot say 'yes' unless everyone says yes.

If someone has a reservation, don't make the hire until it has been explored and put to bed.

• You need to fire fast and hire slow.

If someone isn't a fit, you need them off the team quickly, before the chemistry can be poisoned.

Likewise, unless you're sure someone is a fit, you cannot add them to your team.