Instead of waiting for something to go wrong and then conducting a post-mortem, conduct a “pre-mortem” by imagining it went wrong then using the power of hindsight to deduce the likeliest reason it went wrong.
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: