I'm used to being productive, ever since I was young.

The night before, go over your schedule and see what you're going to do and what the purpose of what you're doing is. I advocate having a two-column schedule. On the left, put down all your appointments and phone calls. On the right, put down what the purpose is.

We don't take a macro view... We'd look at every company to figure out if trade sanctions are helpful or hurtful.

You have various institutions like law firms and accounting firms which bill by the hour. I'm really against that. You have an incentive to go slowly, be there as long as possible, to over-research things and over-staff.

The classic problem as an entrepreneur is that they have a hard time delegating. But that's really crazy. Recruiting other executives is critical, so is dealing with customers and dealing with regulators. Those are functions that only the top founders can do.

Routinize the routine. The things that aren't important to you, whether it's breakfast or your commute, try to do them with the least energy possible so that leaves you with more energy for other things.

No matter what your career aspirations are, you should begin by thinking carefully about why you are engaging in any activity and what you can expect to get out of it.