The search finds a person. Succession prepares the system for a change in leadership.
When a chief executive departure becomes imminent, the succession process becomes visible. A committee is formed, advisers are appointed, a specification is written and candidates are considered.
By then, many of the conditions for success have already been shaped.
The organisation may or may not have internal candidates with the right experiences. Directors may hold different assumptions about the next strategic phase. The incumbent CEO may have built leadership depth—or concentrated critical relationships and decisions around themselves. The board may understand the strengths of possible successors, but not how they respond beyond their familiar roles.
A high-quality search can improve the appointment. It cannot recover years of missed succession work.
Recent long-term succession research reported through the Harvard Law School Forum on Corporate Governance found that the strongest processes use a horizon of at least five years and build multiple options over time.[1] Russell Reynolds similarly warns that starting only when departure feels imminent restricts the board’s ability to develop candidates and shape readiness.[2]
CEO succession is therefore not an event in the governance calendar. It is a continuing board responsibility at the intersection of strategy, leadership and risk.
Start with the enterprise future
Boards naturally begin with names because people make succession concrete. The first conversation should be about the organisation.
What will create and protect value over the next three to five years? Which discontinuities could change the mandate? Is the business moving from growth to scale, from portfolio expansion to integration, from domestic strength to international complexity, or from performance repair to renewal? What relationship will the next CEO need with the board, workforce, owners, regulators and wider stakeholders?
The future mandate should identify a small number of outcomes and leadership situations, not an exhaustive list of admirable qualities.
This work also sharpens strategy. If directors cannot agree what the next CEO must lead, the succession problem may be exposing unresolved strategic choices.
Build options before preferences harden
A robust process creates several credible pathways rather than an heir apparent.
Internal candidates offer organisational knowledge, relationships and evidence of performance in context. External candidates can bring capabilities, perspective and pattern recognition the current system does not possess. The relevant question is not whether one source is inherently superior. It is which option best fits the future mandate and what risks accompany it.
Long-horizon planning gives internal leaders time to build missing experiences. It also lets the board observe them beyond polished succession presentations. A candidate can lead a transformation, carry a difficult stakeholder issue, present strategic choices to the board or take responsibility across a less familiar market. These assignments both develop and reveal.
The board should resist narrowing too early. Familiarity can feel like reduced risk, but Spencer Stuart’s work on succession in volatile conditions argues that selecting for apparent safety can overlook the leadership range required for future advantage.[3]
Separate emergency cover from long-term succession
Every board needs a credible answer to “Who leads on Monday?” if the CEO becomes unexpectedly unavailable. That is emergency cover. It protects continuity and may involve a leader who is not the preferred long-term successor.
Long-term succession asks a different question: who is best able to carry the future mandate, and what development, assessment and transition would support them?
Conflating the two can create false confidence. An excellent interim may provide stability without being the right long-term choice. A strong long-term candidate may not yet be able to step in immediately. Both plans should be explicit and regularly tested.
Clarify the roles around the process
The board owns CEO succession. The chair usually leads it. The incumbent CEO has an essential contribution but should not control the outcome.
The incumbent can build the leadership bench, create exposure for successors, provide evidence and support an orderly transition. They also bring understandable preferences, loyalties and views about legacy. Strong governance uses their insight while protecting board independence.
The chief people officer or equivalent often holds continuity, talent data and development architecture. External advisers can bring market perspective, assessment rigour and process independence. Yet advisers should support board judgement, not replace it.
Clear roles reduce the risk that succession becomes either a private chair–CEO conversation or an administratively managed talent process without sufficient strategic ownership.
Treat assessment as leadership due diligence
At final selection, impressive careers and trusted references are not enough. The board should triangulate evidence against the mandate.
Structured career examination can reveal how candidates created outcomes and what conditions supported them. Psychometrics can generate hypotheses about style, motives and risk. Simulations and strategic dialogue can expose judgement in unfamiliar situations. References can test impact over time. Interaction with directors can show how the relationship might work, but chemistry should not be confused with fit.
The aim is not certainty. Executive performance is contextual, and every appointment contains risk. The aim is a transparent, evidence-informed judgement about capability, potential, motivation and conditions for success.
Design the transition before the announcement
Appointment is not the end of succession. The outgoing leader, incoming leader, chair, board and executive team all enter a transition.
Before announcement, the board should consider decision authority, stakeholder communication, knowledge transfer and how the outgoing CEO’s role will change. After appointment, it should support the new CEO’s diagnosis without demanding theatrical early action. Expectations between chair and CEO should be explicit. The executive team needs clarity about continuity, change and how it will contribute.
The strongest transitions create enough overlap to transfer context without creating two centres of authority. This balance varies. A founder, long-tenured CEO or internal appointment will each create different dynamics.
Succession planning should therefore include transition principles long before names are final.
Keep succession in the normal board rhythm
An annual succession paper is useful but insufficient. The board should return to the subject as strategy, performance and leadership evidence change.
A practical rhythm might include:
- annual refresh of the future mandate and external market perspective;
- regular review of internal options, readiness and planned experiences;
- board exposure to potential successors through real work;
- periodic independent assessment at appropriate stages;
- explicit emergency succession review; and
- a deeper process review when the anticipated transition horizon changes.
This work requires confidentiality, but confidentiality should not become avoidance. Nor should the board wait for the incumbent to signal a date before it begins developing options.
In governance work, I see CEO succession as one of the clearest tests of stewardship. Directors are making a decision whose full consequences may extend beyond their own tenure. They must respect the organisation’s history without allowing it to dictate the future, and support the incumbent without surrendering independence.
The search will matter when the time comes. The quality of that search will depend heavily on what the board has done before anyone is looking.
Questions for the board
- Have we defined the future mandate before discussing preferred names?
- Do we have several credible options or one assumption?
- Which experiences are internal candidates receiving, and what are we learning?
- Is emergency cover explicit and distinct from long-term succession?
- What transition risks would arise from the incumbent, candidate and context?
- How often does succession enter the board’s real agenda rather than its annual paperwork?
Sources and further reading
- Harvard Law School Forum on Corporate Governance (2025), “More and Better Options: Strengthening Long-Term CEO Succession Planning.” https://corpgov.law.harvard.edu/2025/06/02/more-and-better-options-strengthening-long-term-ceo-succession-planning/
- Russell Reynolds Associates (2025), “An HR Leader’s Guide to CEO Succession.” https://www.russellreynolds.com/en/insights/articles/an-hr-leaders-guide-to-ceo-succession
- Spencer Stuart (2025), “In Volatile Times, Select CEOs for Strategic Advantage, Not Safety.” https://www.spencerstuart.com/research-and-insight/in-volatile-times-select-ceos-for-strategic-advantage-not-safety
- Spencer Stuart, “CEO Succession Planning.” https://www.spencerstuart.com/what-we-do/our-capabilities/ceo-succession-planning
- Financial Reporting Council (2024), UK Corporate Governance Code 2024. https://www.frc.org.uk/library/standards-codes-policy/corporate-governance/uk-corporate-governance-code/
- Egon Zehnder, “CEO Succession Planning.” https://www.egonzehnder.com/what-we-do/ceo-successions/insight/ceo-succession-planning