Boris Groysberg

And it took time to emerge.

In 2008, Boris Groysberg and his colleagues examined... something very unusual.

They looked at quality analysts, star equity analysts who change firms.

And on average, their performance declined immediately.

And in that sense, I completely agree that you discuss it.

Um, one of my, um, favorite colleagues, who's a professor at Harvard Business School, his name is Boris Groysberg.

He wrote this wonderful article called Leadership is a Conversation.

Mm.