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Why New Leaders Succeed Or Fail

May 12, 2026 / 15:04

This episode features Katherine Klein, a professor of management at the Wharton School, discussing leadership transitions, specifically focusing on successors versus incumbents. The conversation highlights the challenges faced by new leaders, using the recent leadership change at Apple as a case study.

Katherine explains the importance of understanding employee expectations during leadership changes, particularly in public schools where her research was conducted. She emphasizes that successors must align their vision with the needs of employees to avoid backlash.

The discussion also covers the impact of leadership styles on organizational performance, noting that coaching can either motivate or demotivate employees based on their perception of the need for change.

Dan Loney, the host, and Katherine Klein analyze how these findings relate to corporate leadership, stressing the need for successors to effectively gauge their new environment.

The episode concludes with reflections on the implications of leadership changes in both educational and corporate settings, highlighting the significance of understanding the organizational culture.

TL;DR

Katherine Klein discusses leadership transitions, focusing on the differences between successors and incumbents and their impact on organizational performance.

Episode

15:04
00:00:04
I'm particularly fascinated by this notion of the difference between successors and incumbents.
00:00:11
That like, once you're established as an incumbent and you're in a good groove, you're probably
00:00:16
going to stay in a good groove.
00:00:17
That's a good notion.
00:00:18
If you're established and you're in a bad groove, you're probably going to stay in a
00:00:22
bad groove.
00:00:23
You know, this notion that when a successor comes in, their actions land differently.
00:00:28
You know, you could be a successor, I'm an incumbent.
00:00:31
You come in, people are paying more attention to you than they pay attention to me.
00:00:34
So I'm really interested.
00:00:35
That's a new thing in leadership research.
00:00:37
They're like, huh.
00:00:39
Welcome to the Ripple Effect, the podcast that takes you on a journey through the minds
00:00:43
of Wharton faculty.
00:00:44
I'm your host, Dan Loney, and in each episode, we'll be diving deep into the inspiration
00:00:49
behind the groundbreaking research that Wharton professors have conducted and exploring how
00:00:54
their findings resonate with the world today.
00:00:57
In the corporate world, it's always an interesting period when you're talking about the transition
00:01:02
of when one leader decides to step aside and another one decides to take over.
00:01:07
Most recently, we heard the announcement that legendary Apple CEO Tim Cook was leaving that
00:01:13
role.
00:01:13
And then John Ternus, who is the company's senior vice president for hardware engineering,
00:01:18
was going to take over that role.
00:01:20
But what are the challenges for Ternus and maybe more so other leaders as they take over
00:01:25
a new role in leading a company?
00:01:28
A new paper looks at those elements specifically.
00:01:31
Katherine Klein is a professor of management here at the Wharton School, and she is lead
00:01:35
on this new research, which is published in the Journal of Applied Psychology.
00:01:39
Katherine, great to talk to you again.
00:01:41
How are you?
00:01:41
I'm good.
00:01:42
Great to talk with you.
00:01:43
Thank you.
00:01:44
So take us, I guess, first behind the scenes in why this topic of looking at how these
00:01:50
two leaders kind of compare and contrast was so important.
00:01:54
Great.
00:01:55
So I'm an organizational psychologist, and as an organizational psychologist, I'm really
00:02:00
interested in how leaders change organizations, how they motivate people.
00:02:06
We believe that better leaders make their organizations better through their leadership,
00:02:10
through their leadership style.
00:02:12
But it turns out that we have very little research in my field looking at what happens
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when there's a change at the top, when a new leader takes over, and how employees respond
00:02:23
collectively.
00:02:24
And that's a topic I've been long interested in, how organizational leaders change, how
00:02:30
motivated employees are, and how well the company or organization performs.
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So I specifically wanted to look at this in the context of succession.
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And so for this research, you used public schools as kind of the vehicle to look at
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that topic.
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Yeah.
00:02:46
So it turns out that, you know, I think one of the reasons we have so little research
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on how employees respond to a change at the top, to a successor coming in, is it's really
00:02:54
hard to get into a lot of organizations before there's a CEO change and say, what's the
00:02:59
culture here?
00:03:00
What's the climate?
00:03:01
And then track it over time following that change.
00:03:05
And you know, in a rigorous study, you want to study this in a large number of organizations,
00:03:09
and you'd actually like to compare organizations that don't have a succession event.
00:03:13
And so it's like, oh my God, how can we do this?
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I like to do large scale research, but like, where on earth can we do this?
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And at some point the light bulb went off and I was like, we can do this in public schools.
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Because public schools get new principals in the summer, and school districts know ahead
00:03:29
of time when a new leader is coming in.
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So we can look at schools and survey teachers before and after a principal change, and we
00:03:37
can compare them to schools after a principal change.
00:03:41
I'm also fascinated by public schools.
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I believe they're super important in this country.
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Ninety percent of school children go to public schools.
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And you know, the vast majority of employers are actually the size of a public school.
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How frequently then does the vision of the person coming into the role, is it similar
00:04:01
to the person who is leaving the role or is there a bit of consciousness that they wanted
00:04:06
to be different than what it was before?
00:04:09
I think a lot of new leaders come in thinking, I've got to change this organization.
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I've got to raise performance.
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I really need to make sure employees are highly motivated.
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I've got to make my mark.
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And so a lot of them come in with that sense of, I want to make things different.
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Though, interestingly, we'll get into this in my research, not all of them do.
00:04:29
And sometimes they mismatch with where employees are.
00:04:33
And that turns out to be really important.
00:04:34
Well, right. And that was one of the things I wanted to talk about is the fact that the
00:04:38
employee, and I guess in this case with your research, they're talking about the
00:04:42
teachers, of what their expectation is and what their vision is of what they want to
00:04:49
see come in with the new leader.
00:04:52
Absolutely. And I'm so glad we, I'm glad you're honing in on this.
00:04:56
I'm really glad we studied this because it turned out to be absolutely key.
00:04:59
So we asked teachers before the new leaders were coming in, before succession, how much
00:05:05
does this school need to change?
00:05:07
Is this school performing well or do we really need changes around here?
00:05:11
And it turns out that that's really important.
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And we have leaders coming in who, when the leaders don't align their leadership with
00:05:20
employees' sense of the need for change, you run into problems.
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When successors come in pushing change and employees collectively are saying, you know,
00:05:30
we're good here. We actually don't need a lot of change.
00:05:32
Then that backfires.
00:05:34
It also backfires when employees are feeling like, man, we really need help performing
00:05:39
better. And this school needs to change.
00:05:41
And the leader's not helping us.
00:05:43
So what we find is that successors really need to read the room.
00:05:47
They really need to understand where employees are coming from.
00:05:50
And so then that puts even more focus on the behaviors and the tactics that a successor
00:05:55
kind of brings to the table when they're taking over.
00:05:58
Yeah, absolutely.
00:05:59
And what's interesting is we find, we measure visionary leadership.
00:06:02
Are you inspired by the leader's vision?
00:06:05
That has no impact.
00:06:07
Like none. Doesn't make it doesn't change anything for anybody.
00:06:10
What matters is this, what we study is leader coaching and leaders who are high in
00:06:15
coaching are really focused on improving employee performance.
00:06:21
They're giving feedback.
00:06:22
They're giving suggestions of how to perform better.
00:06:25
They're monitoring and supporting employees like an athletic coach in a lot of ways.
00:06:30
And that coaching has ripple effects throughout the organization.
00:06:35
Teachers notice what the principal is doing with other teachers.
00:06:38
They see what the leader's doing.
00:06:40
Coaching is great when employees feel like we need to improve our performance.
00:06:45
We need to change. Coaching backfires and hurts motivation, hurts performance.
00:06:51
When teachers are saying like, again, we're good here.
00:06:53
We don't need this.
00:06:54
So then what did you see in the research about how these schools changed, changed,
00:07:00
adapted when there was a shift of leadership and whether or not there was that
00:07:05
component of working closely with the new leader or not?
00:07:09
Yeah, it's really striking.
00:07:10
So, you know, when we study public schools, people care a whole lot about test scores.
00:07:15
Like are kids reading?
00:07:16
Are kids up and, you know, are they reading at math level?
00:07:19
All parents want it as a society.
00:07:21
We want schools to perform well.
00:07:23
And so what we see is what we measure is collective engagement, how focused teachers
00:07:28
are on doing their work, how energized they are.
00:07:31
And that engagement drives performance change.
00:07:35
So the leadership makes a real difference in making strong changes in long term
00:07:40
performance. We see test scores shift and sometimes they rise and sometimes they
00:07:45
fall. And what's key is how successors are coming in and leading is making these
00:07:50
changes. I should say also that this is really the first research we have of this
00:07:56
kind that shows how successors' leadership behavior really changes how motivated
00:08:01
employees are collectively and how organizational performance then changes.
00:08:06
Can you correlate then what you found in this research with what you expect happens
00:08:12
in the corporate landscape when you have a switch like this?
00:08:17
Yeah, absolutely.
00:08:18
I mean, I think what the key message, a key message, we have a lot of them in this
00:08:22
study, but a key message is successors really need to read the room.
00:08:26
So we sort of assume that, you know, there's a lot of rhetoric in the leadership
00:08:30
literature that leaders need to convince employees of the need for change.
00:08:35
That's not what we're seeing.
00:08:37
In the companies, in the schools we're seeing, a lot of times the teachers really
00:08:42
believe there's a need for change before the successor comes in and the successors
00:08:47
get it wrong. They don't coach, they don't help.
00:08:50
And that's a problem.
00:08:52
Successors can also get it wrong when they don't coach and don't support.
00:08:56
So I think the same message applies for corporations and businesses of all types.
00:09:00
You've got to read the room.
00:09:01
You've got to know, you know, you've got to know what employees' appetite for
00:09:04
change is before you enter because they're thinking about this.
00:09:07
They're thinking, I'm getting a new leader.
00:09:09
How's this going to change?
00:09:10
So, and you mentioned about how important schools were to you.
00:09:15
I was just thinking as you were saying that, not only does this most likely have
00:09:20
an impact on the relationship between the teachers and the leader at the school,
00:09:24
but does this have an impact on how a school district thinks about leadership
00:09:29
and who they want to have in and how they want to run their operations from school
00:09:35
to school on a daily basis?
00:09:37
Absolutely. So the, you know, coaching and the style of leadership,
00:09:40
sometimes in the leadership literature it's referred to as, in the school
00:09:43
literature, it's referred to as instructional leadership.
00:09:46
And it's, you know, it's instructional leadership,
00:09:49
this kind of hands-on coaching is not a universal good thing.
00:09:53
Like it can really backfire.
00:09:55
The other thing that's really striking about our results is that successors'
00:10:01
leadership behavior, successors' coaching really matters and changes things.
00:10:05
When we compare that to incumbents, people,
00:10:08
leaders who haven't changed who've been there all along,
00:10:10
their coaching doesn't have much impact.
00:10:14
And so what it's saying to us is when you enter an organization as a leader,
00:10:19
when you start as a successor, your actions have a whole lot of impact.
00:10:23
People are really paying attention to how you lead and you can make things,
00:10:28
you have a window of opportunity. You can make things better.
00:10:30
You can make things worse. When you're established as an ongoing leader,
00:10:34
it's hard to move the needle with your,
00:10:37
with your coaching, with how you interact with employees.
00:10:40
So bringing it back to your question of how should school districts be thinking
00:10:44
about it? You know, when a school district,
00:10:45
when a school is really stagnant and you're having a hard time,
00:10:49
the existing leader is having a hard time motivating people,
00:10:53
getting improvements in test scores and performance.
00:10:56
It's time to think maybe we really need a successor to do this.
00:11:00
Maybe an incumbent just can't move the needle.
00:11:02
So I mentioned the change at the top coming later this year with Apple,
00:11:07
just, you know, this,
00:11:08
this is such a brand new element to the story and ironic that we're talking about
00:11:12
this as your research is coming out.
00:11:14
What do you think are some of the things that you would be looking at as this
00:11:19
change takes place at one of the most well-known companies in the world?
00:11:23
Right. Well, I, it is interesting that it's, it's happening, right?
00:11:26
As this research is coming out, you know, I think that, um,
00:11:30
John Ternus is, he's an insider, right? He's been there for a long time.
00:11:34
He knows this organization.
00:11:36
My guess is he doesn't need a lot of help reading the room.
00:11:38
He understands what the organization's challenges are,
00:11:41
what Apple's challenges are,
00:11:42
and he understands Apple's employees' appetite for change.
00:11:46
So I think he's likely to do quite well along the vector, um,
00:11:51
and the dynamics I've been describing. Um, you know,
00:11:55
when we talk about reading the room and the importance of understanding
00:11:58
employees' appetite for change, uh,
00:12:01
it's also striking that Tim Cook is staying on as executive chair.
00:12:05
It's sort of, it's a signal that like, things are not going to change,
00:12:09
probably not going to change radically around here. Uh, and you know,
00:12:12
my intuition is that's probably where employees are.
00:12:15
It'll probably be slow and steady change. Uh,
00:12:18
and that's probably appropriate for the culture and the performance of Apple.
00:12:22
So, you know, I think this is a good call.
00:12:23
And in general we know insiders do better.
00:12:26
I think one of the reasons insiders do better is they do understand the
00:12:29
organization. Is there off of this research,
00:12:32
is there a follow-up that you want to look at next off of this?
00:12:37
Oh, we would love to, we would love to,
00:12:39
I would tell you this was a monumental effort to study this many schools over
00:12:42
a hundred, you know, more than a hundred schools over time,
00:12:46
seven of the largest school districts in the country,
00:12:47
but there's a lot we'd like to know.
00:12:49
I'm particularly fascinated by this notion of the difference
00:12:54
between successors and incumbents that like once you're established as an
00:12:58
incumbent and you're in a good groove,
00:13:00
like you're probably going to stay in a good groove. Right.
00:13:03
That's a good nose. If you're established as you're in a bad groove,
00:13:06
you're probably going to stay in a bad groove. And you know,
00:13:09
that this notion that when a successor comes in,
00:13:13
their actions land differently, you know, you could be a successor.
00:13:16
I'm an incumbent. You come in,
00:13:18
people are paying more attention to you than they pay attention to me.
00:13:21
So I'm really interested. That's a new thing in leadership research.
00:13:24
They're like, huh, this may land differently if you're, if you're a successor.
00:13:29
So as you're saying this, and this will be my last question, I promise.
00:13:32
But it was an interesting element that you bring up because when you're talking
00:13:36
about the framework of a school district, I would think in many cases,
00:13:40
the incumbent could be somebody who was in another school as the
00:13:45
leader and is making that shift and probably already has set a framework
00:13:50
of how they run.
00:13:51
And teachers obviously in other schools would know, you know, what to expect or,
00:13:55
what the next step would be for their school with this
00:14:00
person coming on board.
00:14:02
Yes. I think you meant the successors. So successors will often transfer.
00:14:07
Yeah. I think they know that, you know, they know something, right.
00:14:11
They know something,
00:14:11
but they haven't experienced the successor and they're still all eyes are,
00:14:14
you know, are looking like, well,
00:14:16
what is this new leader going to meet for us?
00:14:18
Succession creates a lot of uncertainty. You know,
00:14:21
we're getting a new boss, how are things going to change?
00:14:23
So even if we know something, they're paying attention,
00:14:26
people are going to be paying attention to John Turner.
00:14:29
So they're going to be like, okay, he's probably not too radical. Okay.
00:14:33
Know the guy. We like the guy. He has a very positive reputation.
00:14:36
They're still going to be paying a lot of attention to what he does.
00:14:40
Katherine, always great to talk. Thanks very much for your time today.
00:14:43
Great to talk with you. Thank you so much. Take care.
00:14:45
Thank you. Katherine Klein,
00:14:46
who is a professor of management here at the Wharton School.
00:14:50
Thank you for listening to the Ripple Effect.
00:14:52
We hope you found this episode informative and engaging.
00:14:55
Don't forget to subscribe and leave us a review so that we can continue to bring
00:14:59
you the best insight from the Wharton School.

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Episode Highlights

  • Coaching vs. Visionary Leadership
    Research shows that coaching is more effective than visionary leadership in driving performance.
    “Coaching has ripple effects throughout the organization.”
    @ 06m 30s
    May 12, 2026
  • The Ripple Effect of Leadership Changes
    Katherine Klein's research reveals how successors must align with employee expectations to succeed.
    “Successors really need to read the room.”
    @ 08m 26s
    May 12, 2026
  • Understanding Employee Sentiment
    Katherine Klein discusses the critical need for new leaders to gauge employee readiness for change.
    “Your actions have a whole lot of impact.”
    @ 10m 23s
    May 12, 2026

Episode Quotes

  • Successors really need to read the room.
    Why New Leaders Succeed Or Fail
  • Coaching has ripple effects throughout the organization.
    Why New Leaders Succeed Or Fail
  • Your actions have a whole lot of impact.
    Why New Leaders Succeed Or Fail

Key Moments

  • Leadership Transition00:57
  • Research Insights01:35
  • Coaching Impact06:15
  • Employee Engagement07:28
  • Reading the Room08:26

Words per Minute Over Time

Vibes Breakdown

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