In 2025, most of those organizations reported having no viable internal candidate to replace their CEO should they exit tomorrow.
Companies scrambling to replace a CEO without a plan forfeit an average of $1.8 billion in shareholder value. That is not an HR problem. That is a governance failure.
The organizations that get C-suite succession planning right don't just plan better; they plan differently. They think differently.
Here are six rules that separate them from the rest.
6 Proven Rules of C-Suite Succession Planning
Rule 1: Plan for the Leader You'll Need, Not the One You Have
Candidates' correspondence to the immediate predecessor executive, thereby creating a mirroring profile of the executive, is the most frequent error in succession. It certainly feels safe, but rarely works.
Leading boards now develop scenario-based succession frameworks, mapping plausible business environments over the next five to seven years and defining the leadership competencies required to navigate each one. The goal is to avoid being caught off guard by it.
Rule 2: Widen the Pipeline, Now, Not When You Need It
Half of next generation C-suite leaders (2/3) are showing interest in leaving their current employer.
Increasing job-hopping rates among middle-level talent with high potential, combined with reduced staffing in middle management, have helped whittle the bench down. Organizations that take their time to evaluate their pipeline will not have any.
Rule 3: Connect Development to Progression, Not Just Experience
Most organizations invest in leadership development. Fewer do it well. Just 1/3 of next-generation C-suite leaders believe their top leadership team is a role model of the right culture and behaviors.
Best-performing organizations go a step further; they not only make the development career-related and visible but also do so systematically. Development for its own sake doesn't retain ambition. A clear path forward does.
Rule 4: Go Beyond the CEO Slot
Succession planning focused solely on the chief executive is no longer sufficient, and institutional investors are saying so.
Boards should adopt an earlier, broader, and deeper focus across the C-suite, rather than focusing on only one to three CEO candidates. The entire senior leadership bench is a strategic asset. Treat it accordingly.
Rule 5: Stress-Test Your Candidates Before a Crisis Does
A candidate who looks exceptional in a committee room may crumble in a board crisis. The majority of organizations are unaware until it is too late. The best practice boards include live exposure, stretch assignments, controlled assessments with bias settings, and succession drills that simulate a fake transition situation.
Successors must remain visible and stress-tested to prevent destabilizing leadership transitions. The goal is not to find the perfect candidate. It is to know, with confidence, how your candidates perform under pressure.
Rule 6: Have the Transparency Conversation
This is the rule most boards resist. It is also the one with the highest cost of avoidance.
Ambiguity accelerates that decision. Organizations that name internal candidates, deliberately share timelines, and create structured conversations around advancement retain their future leaders. Secrecy signals a dead end. Candor builds commitment.
The Bottom Line
Leaders who treat CEO and C-suite succession as a continuously active, enterprise-wide priority consistently report greater confidence in their leadership pipeline and stronger financial performance than peers.
Succession planning is not a contingency exercise. It is a competitive discipline. The organizations that have internalized this are already developing the leaders the rest of the market will scramble to hire. The question for every board is not "Do we have a succession plan?" It is: "Is our plan good enough for what comes next?"
At The Taplow Group, we partner with boards and C-suite leaders across global markets to build succession-ready leadership pipelines, before urgency removes the luxury of choice.