Being a boss is a doing discipline. You can’t learn to do it from books or lectures or videos. The only way to learn it is by doing it.
Get ideas from books and classes and such, but try those ideas out as soon as possible. Then evaluate your performance and the results, so you can do even better next time.
This is only one of 347 tips in my ebook, Become a Better Boss One Tip at a Time.
Just promoted from individual contributor? Check out my ebook, Now You’re the Boss: Making the Most of the Most Important Transition in Business.