What is succession planning?

Succession planning is the organizational practice of identifying which roles are critical to the business, assessing which employees have the potential to fill those roles in the future, and systematically developing those employees so they are ready when the time comes.

It is frequently described as "having a bench" — a depth of prepared talent behind each key role, so that when a leader retires, resigns, or is promoted, the organization can promote from within rather than scrambling to hire externally.

Succession planning is not about replacing people who are leaving. It is about building organizational resilience before vacancies occur. The best succession programs run continuously, not reactively.

Why does succession planning matter?

  • Business continuity. An unplanned departure from a critical role can paralyze teams and delay decisions for months. Organizations with strong succession pipelines absorb these transitions smoothly.
  • Reduced external hiring costs. External hires at the leadership level cost significantly more than internal promotions — recruiting fees, higher salary premiums, and longer ramp-up times. Organizations that develop internal successors capture these savings.
  • Retention of high-potential talent. Employees who know they are being developed for advancement are significantly more likely to stay. Succession planning is a retention tool as much as a continuity tool.
  • Preserved institutional knowledge. Leaders who grow up within the organization carry deep contextual knowledge that external hires take years to acquire. Succession planning keeps that knowledge in the business.

What does the succession planning process look like?

  1. Identify critical roles. Not every role requires a succession plan — focus on roles where an unplanned vacancy would cause significant business disruption. Typically: C-suite, VP-level leadership, and technical roles with scarce skills.
  2. Assess current incumbents. Evaluate flight risk and retirement timeline for current role-holders to prioritize urgency.
  3. Identify successor candidates. For each critical role, identify 1–3 internal candidates with the potential and desire to step into the role — typically segmented as "ready now," "ready in 1–2 years," and "ready in 3–5 years."
  4. Assess readiness gaps. Using your competency framework, identify the specific skills and experiences each successor candidate needs to develop.
  5. Build development plans. Create Individual Development Plans for each successor that target their readiness gaps — stretch assignments, mentoring, cross-functional exposure, leadership coaching.
  6. Review and update annually. Succession plans go stale quickly. Annual reviews keep candidate assessments current and development plans active.

What is the difference between succession planning and workforce planning?

These two terms are related but distinct. As of 2026, organizations increasingly use both in tandem, with workforce planning tools from vendors like Visier and Workday feeding data into succession pipelines:

  • Workforce planning is the macro process of ensuring the organization has the right number of people with the right skills to execute its strategy — across all roles, often over a multi-year horizon.
  • Succession planning is the targeted process of identifying and developing specific successors for specific critical roles.

Succession planning is a component of workforce planning, focused specifically on leadership continuity rather than headcount or skills inventory broadly.

How do high-potential employees fit into succession planning?

High-potential employees (HiPos) are the primary talent pool from which successor candidates are identified. HiPo programs and succession planning are deeply intertwined: HiPo identification produces the candidate pool, and succession planning provides the development framework.

One important nuance: high performance is not the same as high potential. A strong individual contributor may not have the capabilities — leadership appetite, learning agility, influence at scale — required for senior leadership. Succession planning must assess readiness for the target role specifically, not just current performance.

What are the most common succession planning mistakes?

  • Planning only for the CEO. Most succession programs over-index on C-suite continuity and neglect critical operational and technical roles that are equally disruptive to lose unexpectedly.
  • Not telling candidates they are in the plan. Some organizations keep succession plans confidential. This prevents candidates from understanding why they are receiving certain development opportunities and limits their motivation. Transparency, done carefully, typically increases engagement and retention.
  • Treating it as a one-time exercise. Succession plans written once and never updated become inaccurate quickly. People leave, priorities change, and new candidates emerge.
  • Cloning current incumbents. Successors should be assessed for the role as it will need to be performed in the future, not as it is performed today. Business needs evolve.