"We do these things not because they are easy, but because we thought they were going to be easy" is a surprisingly profound quote. When I ask people who've pulled off remarkable things, it's interesting how many confirm that they wouldn't have started if they'd know how long and difficult the road would be.
The best tech companies drive strategy through product. This is why founders and CEOs tend to be product leaders, and product / design / engineering is more important than ops / marketing / finance. Here’s what this looked like for me as a business leader at Amzn and Facebook: