The article focuses on an example of a guy who had totally proved himself with past success, and yet still encountered ageism.
Here's how he's introduced:
> The most impressive entrepreneur in Scheinman’s portfolio who hadn’t caught on was a fortysomething Boston-based engineer named Nick Stamos. In the early 2000s, Stamos had been the chief technology officer at one start-up that eventually hit a market value of $1 billion. He later co-founded another that earned tens of millions of dollars in annual revenue. Everyone Stamos had ever worked with raved about his technical chops, his relentless salesmanship, his flare for innovation. “The picture was remarkable,” Scheinman says.