Sienna SpencerChief Human Resources Officer · Essays & perspective

Succession3 min read

Succession planning must reach beyond the list

A succession list is a starting point, not an account of readiness.

I ask what the future role will require, which experiences a potential successor still needs and who owns the development plan.

Continue the essay

The enduring idea

People strategy must explain how the organisation will build the capability its ambitions require. I connect succession, organisation design and everyday leadership practice, with attention to fairness, privacy and the experience of employees.

A philosophy in practice ↗

The journal

Further reading.

  1. 02

    Culture3 min read

    Culture is experienced through operating decisions

    Employees learn what matters from the way decisions are made, performance is recognised and difficult information is handled.

  2. 03

    Organisation design3 min read

    Workforce strategy starts with capability demand

    A headcount plan does not explain whether an organisation can deliver its strategy.

Senior roles filled internally
85%
Through a rebuilt succession pipeline
Engagement improvement
+31 pts
During a three-year transformation
Colleagues served
52,000
In 30 countries
Women in leadership
40%
Up from 18% in five years

Beyond the page

The record behind the perspective.

In the boardroom

  • Calder LogisticsIndependent Director · 2022 — Present
  • The Skills Forward FoundationTrustee · 2018 — Present

Recognition

  • CHRO of the YearThe People Leaders Awards · 2024
  • Best Workplace TransformationThe Boardroom Review · 2022

In conversation

  • “Building a succession bench the board can trust”The People Leaders Journal · 2025
  • “What remuneration committees miss about culture”The Boardroom Review · 2024
  • “Episode 117 — Culture on the night shift”The Leadership Ledger podcast · 2023
Our succession conversations became evidence-based and calm. That is a gift to any board.
Margaret OseiChair, Calder Logistics
The full record ↗

Continue the conversation

Ideas are tested in conversation.

For board, advisory and speaking invitations, and for readers who want to take an argument further.

  • Board appointments
  • Advisory roles
  • Speaking invitations

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