Jensen Huang's 14-hour days and workaholic lifestyle helped him turn Nvidia into a $3 trillion company

• Jensen Huang's 14-hour workday begins after he wakes up at 6 a.m. and exercises. 
• The Nvidia CEO has an engaged leadership style with 60 direct reports, which he says empowers others. 
• Huang often eats in the company cafeteria to connect with staff and be the "custodian of culture." 

Running a $3 trillion company comes with early morning starts — just ask Jensen Huang.

The Nvidia founder and CEO recently said that he wakes up at 6 a.m.