Several doctors told Siebel he would never walk again, much less sail competitively. But he does.

So what do you learn about life when you’ve stared down death in the form of a five-ton elephant, been crushed by that elephant, and lived to tell the tale? What do you learn when you’ve invented one of the first killer workplace apps of the PC era, then sold it for about $6 billion dollars?

After you’ve made all that, survived all that, why, at 64 years old, are you still inventing?

Tom Siebel, now the CEO of C3 IoT, sat down with me for the at the Nasdaq Marketsite in Times Square to share some insight into what’s made him tick – and what’s helped him succeed.