Main experiences
Christelle Letist
Payroll & HRIS leader — 20+ years turning HR strategy into systems that actually run.
Payroll · HRIS Implementation · Project & Change Management
HR expertise meets IT fluency
Extensive experience across HR & IT, built inside very different types of organizations. I combine specialized HR knowledge with a sharp read on business needs — and I respond fast.
Strategy definition → execution
Project management → implementation
Where I add value
Project & Change Management
Digital HR
Large HRIS Implementation — selection to go-live
Belgian Time & Payroll Management (expert level)
Data Quality & Governance
20+ years, one thread
2000–2004 — Belgian Post Group — HR Officer, Administrative Employee
2004–2012 — Partena · SNCB · Fortis · BPost — Payroll & Business Analyst roles
2012–2020 — Owner, HR Geekette (Go to Next Levels) — HRIS & Talent consultant
2020–2025 — Payroll Lead @ UCB — 4,000 workers, complex, global payroll
2025–now — Payroll Manager Belgium @ Adecco Group — 3 entities, 1,600 workers
Complex payroll, zero tolerance for error
Payroll Manager Belgium — The Adecco Group
3 legal entities · 1,600 workers · SuccessFactors key-user (masterdata & interfaces) · Managing 2 teams of 4
Payroll Lead — UCB (2020–2025)
4,000 workers · CCT90, warrants, LTI, impats/expats · Global & Belgian HRIS follow-up · Team of 3
HRIS Transformation -From selection to go-live
SuccessFactors — global roll-out — 7,500 workers · data quality lead, SAP replication
Protime–Blox (time & payroll) — UCB, IPG, Swissport · up to 2,500 workers
SAP HR-PY & ERP selection — SNCB Holding · specs, POC, reengineering
HR Analytics tool — City of Brussels (i-City) · 3,000 workers
Owner, HR Geekette — Go to Next Levels
Advisory in Digital HR, HRIS, Talent Management, Social Media & career development — missions delivered inside UCB, City of Brussels, IPG Group, Swissport, Group Rossel & Knauf Insulation.
Co-founder, hrmeetup.org
Co-founder, CoolBird — onboarding tool
Impact in numbers, Scale I’ve operated at
8 countries — Knauf Insulation data audit
7,500 workers impacted — SuccessFactors global rollout
4,000 workers — UCB payroll, zero-error standard
13 public services (SPF) — eHR tool audit
Foundations
MBA — Antwerp Management School (2010–2013)
Master, Sciences du travail — UCL, Louvain-la-Neuve (2003–2005)
Bachelor, Admin & gestion du personnel — EPHEC, Brussels (2001–2003)
Languages, Tools
Languages: French (native) · Dutch (fluent) · English (fluent)
Tools: SAP HR · SuccessFactors · HR Access · Protime / eBlox · MS Project & Visio