• Billionaire investor Mark Cuban leads a busy life, between starring in "Shark Tank," owning the Dallas Mavericks, and spending time with his family.

• He works hard throughout the day, often clocking in first thing in the morning.

• But he still leaves enough time to exercise, get enough sleep, and spend quality time with his kids.



When it comes to thinking up powerful, productivity-boosting mantras, you can't beat Mark Cuban.

"Work like there is someone working 24 hours a day to take it all away from you," he once said.

But how exactly does the billionaire investor, "Shark Tank" star, and Dallas Mavericks owner work throughout the day?

Unsurprisingly, Cuban, who Forbes estimates is currently worth $3.3 billion, has a few rituals and routines that help him stay focused.

Here's a look inside the billionaire investor's typical daily routine: