Welcome to the HBO Ideacast from Harvard Business Review. I'm Kurt Nickish.

Break any company down and at the core is the team.

People working together with the team manager to achieve outcomes.

A high performing team can drive success and inspire others, a dysfunctional one can stack up losses, run-up costs, drain morale, and send team members running away.

That dynamic is strongest at the time. send team it puts an immensely disproportionate drag on strategy execution and organizational success.

Today's guests have studied this and find that when the leadership team is dysfunctional,

it's usually in one of three ways, and they have advice for changing those common types.

Our guests today are Thomas Kyle, management professor at the University of Zurich,

and Mariana Zengrillo, a partner at the

next advisors. They wrote the HBR article, Why Leadership Teams Fail and they join me

now. Thomas and Mariana,

thanks for joining me.

Thanks for having us.

Thank you for having us.

I guess we should start by defining exactly what you studied.

You spoke to people in leadership teams.

That's correct.

So we know that basically the health of the leadership team

is quite crucial and very often is underestimated.

And to learn about what kind of problems might affect these teams, we have interviewed more

than 100 CEOs and senior executives while pursuing a multi-year research program of about 10 years.

And in our study, while of course there are differences across different companies and situations, we notice that leadership

...