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Pauline CosijnPC

Pauline Cosijn

Fractional Chief of Staff | Strategy & Ops leader

€1,050/day
Amsterdam, NL
8-15 years

Average response time: 1 hour

About Pauline

Strategy and execution leader with 12 years of experience turning complex, high-stakes initiatives into results, from definition through delivery.

Most recently Chief of Staff & Program leader at Booking.com’s CBO Office, trusted by C-level leadership to bring structure, pace and clarity across 8+ business units and ~100 FTE scope.

I work fractionally as a Chief of Staff for founders and leadership teams who need a sharp right hand, someone who thinks strategically, executes operationally, and keeps the business moving.

What I bring to your organisation:

•Chief of Staff support: executive decision-making, planning cadence & governance
•Strategy to execution: turning ambition into roadmap, ownership and results
•Operating model design & organisational transformation (incl. €3M cost savings at ABN AMRO)
•Digital transformation from strategy to rollout (incl. €5M+ programme at IG&H)
•Cross-functional leadership across product, data, legal and commercial teams

Available 2–3 days per week, on-site or hybrid in Amsterdam and surroundings.
  • English

    Native or bilingual

  • Dutch

    Native or bilingual

Can work on-site
Amsterdam (up to 50km)

Experience

  • Booking.com
    Program leader / Chief of Staff
    DIGITAL AND IT
    April 2022 - Today (4 years and 2 months)
    Amsterdam, Netherlands
    - Drive execution of enterprise data and platform capability initiatives across product & engineering, data, and legal teams, coordinating delivery of multiple concurrent programmes spanning 8+ business units, ~10 core platforms and ~100 FTE scope
    - Establish quarterly planning cadence and executive governance routines, improving visibility on dependencies, execution risk and prioritisation trade-offs in fast-moving, high-ambiguity environments
    - Translate complex programme challenges into structured execution plans and leadership decision material, enabling timely investment, sequencing and rollout decisions for organisation-wide strategic initiatives
    Program Management Digital Transformation Change Management Operating Model Design Chief of Staff
  • IG&H
    Manager (Financial Services)
    CONSULTING AND AUDITS
    January 2020 - March 2022 (2 years and 2 months)
    Utrecht, Netherlands
    - Led €5M+ digital transformation programme for a pension / asset management client, managing teams of ~10 and coordinating client executive leadership
    - Structured execution roadmaps for digital platform modernisation and operating model change in a regulated environ
    people management Operating Model Design

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