
There used to be sayings like “Jack of all trades, master of none” while I was growing up. I don’t hear it anymore though. What is back in vogue today after several centuries is the expert-generalist, like Elon Musk and Leonardo Da Vinci hundreds of years before him.
I’m a strong advocate of deep work — where one focuses for long stretches of time on a single task without interruptions and distractions. And yet, on any given day, I’m doing a lot of different things — research and analysis for my prod…