Is an Interim CEO Buying Time—or Buying Information?

The board calls the appointment temporary. Inside the company, very little feels temporary. Capital requests still arrive. Customers still listen for hesitation. Senior leaders begin reading every choice for clues about who will hold the role next—and whether the strategy they have been following will survive the handoff.

An interim CEO can steady that room. The same appointment can also lengthen uncertainty, divide attention, and encourage people to postpone decisions until the permanent leader arrives. Time passes either way. The board has to decide what the time is meant to produce.

That is the useful distinction. An interim period earns its cost when it resolves questions the board could not responsibly answer at the start.

Robert Langan and Nicolas Deuschel studied CEO successions in S&P 1500 firms from 2002 through 2016. Permanent CEOs appointed after an interim period generally led firms with poorer subsequent performance than CEOs appointed directly. The penalty weakened when selecting the permanent successor was especially difficult, which the authors interpret as evidence that additional search and information can sometimes make the interim period more useful.[Interim CEO Successions: Implications for CEO Successor Selection and Subsequent Firm Performance]

This is observational public-company research, not a forecast for a privately held company considering an interim leader. Difficult firms are also more likely to need interim arrangements, and statistical modeling cannot make every underlying circumstance disappear. The study supports a conditional judgment rather than a rule: interim appointments are disruptive, while a genuinely hard search may benefit from what the interval allows the board to learn.

The research gem sits inside that tension. Waiting can hurt performance and improve the eventual choice. The board needs to know which side of the bargain it is buying.

Perhaps the strategy is changing and yesterday’s CEO profile no longer fits. Perhaps the internal candidate has never carried a particular kind of decision. Perhaps the board is divided about whether the company needs a builder, an operator, or someone who can repair trust. An interim can create room to examine those questions through actual work.

“We need more time” is too loose. More time for what? To see whether an internal leader can hold a customer relationship? To learn which operating problem will define the next three years? To widen a thin candidate field? To understand why the last leader’s authority never reached the second line?

A board that cannot finish that sentence should hesitate before adding an interim chapter. The calendar alone produces no insight.

Before the interim begins, write down the decisions that will reveal the role. Choose a small number of questions whose answers could change the permanent appointment. Then decide how the board will know when it has learned enough.

This may include contrasting cases for an internal candidate, direct evidence from critical relationships, clearer strategic assumptions, or a view of how the leadership team works when the familiar center is gone. The evidence should concern the future job, not merely whether someone kept the lights on during a careful quarter.

The existing readiness work matters here. A candidate can be plausible and still untested in the decision that will define the role. The Passage is designed for the separate question that follows selection: can the successor carry consequential decisions without the predecessor remaining the hidden answer?

A temporary title can invite permanent second-guessing. Employees may wait for the next CEO. Directors may reach around the interim leader. Candidates inside the company may treat each decision as part of a contest. The resulting hesitation can create the very evidence the board then uses against the arrangement.

The interim needs real operating authority, a clear mandate, and an honest account of whether they are eligible for the permanent role. The board should also define what remains reserved for directors and what should proceed without repeated permission. Temporary leadership still has to lead.

Emergency succession planning answers who can hold authority when the seat opens unexpectedly. Choosing an interim for a deliberate search raises another question: what information is valuable enough to justify living with the disruption?

At each review, return to the unfinished questions. Which one has been answered? Which candidate assumption changed? What did the company learn about the work, the team, or the relationships surrounding the role? Which uncertainty remains material enough to keep waiting?

The board may still choose imperfectly. Succession never offers complete information. A useful interim period leaves the directors able to explain why the next choice is better informed than the choice available on day one.

Once the permanent successor is named, the story changes. The open question is no longer who should occupy the chair. It is whether that person can make the decisions the company will soon place in their hands.