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Just search new here. Welcome to the H-B-Ridea-Cast from Harvard Business Review. I'm Sarah Green-Carl. I'm here again this month

with H-Bere editor Amy Bernstein to talk about the November 2015 issue. Amy, thank you so much for

joining us. Always a pleasure. I thought we would start

with our big cover story of this issue, which is the 100 best CEOs in the world. Tell us a little bit

about this ranking, maybe how it's a little bit different from other arbitrary lists.

Yeah, so that's exactly the right question because we've been doing this ranking

for this I think our fourth time around and we've turned it into a yearly event.

The way it started out was as a very pure ranking on financial performance. So we start with the CEOs of the S&P Global

1200 and then we look at them based on three financial metrics, right? So it's industry adjusted shareholder

returns, it's country adjusted shareholder returns, and it's the increase in market cap

over the course of the CEO's tenure.

And that's how we have done this ranking for years.

And based on that kind of pure financial number crunching. Jeff Basesos always comes out on top. It was Steve Jobs and then Jeff

Bases. This year we decided to change it a little bit because the truth of the matter is

while there is a certain appeal to that purity of the financial numbers we also you know we know that there's a lot more to being a leader.

So we incorporated ESG ratings, that's environment sustainability and governance ratings from an

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