Stefan Kellner
Stefan Kellner
Founder & Principal Consultant

Independent Consultancy

Supply Chain Transformation
That Sticks

18 years driving operational and cultural change at global scale — helping organisations build supply chains that perform, adapt, and endure.

£100m+Transformation programmes led
50+Global manufacturing facilities
18 yrsSenior leadership experience
6Continents of operational reach

What I Offer

Consultancy Services

Practical, senior-led engagements — from rapid diagnostics to multi-year transformation programmes, shaped around your context, not a generic playbook.

🔄

Supply Chain Transformation & Optimisation

End-to-end redesign or targeted improvement of global supply chain networks — identifying inefficiencies, building new operating models, and embedding sustainable change.

Network DesignCost ReductionE2E VisibilitySKU Rationalisation
📋

Programme & PMO Leadership

Senior oversight of complex, cross-functional transformation programmes. Governance frameworks, steering committees, risk management and multi-matrix communications.

Governance DesignRisk ManagementMilestone ReportingBudget Control
🧭

Organisational Change Management

Structured, human-centred change management grounded in Prosci ADKAR — guiding organisations from resistance to adoption, boardroom to shop floor.

ADKAR / ProsciStakeholder MappingComms FrameworksAdoption Metrics
🏭

Manufacturing Excellence & Standardisation

Implementing global manufacturing standards and digital systems across multi-site operations, developing blueprints and capability frameworks that embed best practice at scale.

Lean Six SigmaDigital TrainingStandard WorkKPI Frameworks
🌍

New Market & Business Unit Launch

Building supply chain and logistics infrastructure from scratch, with a proven track record of establishing operations that generate significant early-stage revenue growth.

NPD SupportGo-To-MarketLogistics SetupRegulatory Compliance
🎯

Leadership & Culture Development

Designing and facilitating programmes that build the cultural and behavioural foundations needed to sustain transformation, from capability assessments to change-ready frameworks.

Leadership ProgrammesCulture DiagnosticsEngagement Strategy
🔍

Supply Chain Diagnostics & Strategy Review

A structured, time-boxed diagnostic of your current supply chain — identifying strategic gaps, risks and priority opportunities, delivered as a clear actionable roadmap.

Current-State AssessmentOpportunity MappingStrategic Roadmap
🤝

Outsourcing & Supplier Strategy

Advising on make-vs-buy decisions, sourcing studies and CAPEX business cases, with a track record of delivering measurable commercial benefit through supplier selection.

Sourcing StudiesBusiness CasesSite TransfersCAPEX Evaluation

My Approach

How I Work

I work as a senior partner, not an external observer — embedded in your team, aligned with leadership, accountable for outcomes.

01

Diagnose

Rapid immersion in your current state — stakeholder interviews, data review, process mapping — to form an honest picture of where the real constraints lie.

02

Design

Co-creating a pragmatic, prioritised transformation plan grounded in your specific strategy, culture, and operational realities.

03

Mobilise

Standing up the governance model, change network and communications infrastructure to engage the full organisation and sustain momentum.

04

Deliver

Hands-on programme leadership, managing dependencies and risk while maintaining clear executive visibility through structured reporting.

05

Embed

Building internal capability so that improvements endure well beyond the engagement — leaving your team stronger than we found it.

Qualifications

Credentials & Certifications

Combining deep operational experience with formal accreditation in the disciplines that matter most to transformation success.

Lean Six Sigma Black Belt

PEEC — Productivity Engineering Europe Corporation · 2023

Lean Six Sigma Green Belt

PEEC — Productivity Engineering Europe Corporation · 2022

Certified Change Management Practitioner

Prosci Methodology — CMC Partnership Global · 2023

Self-Managing Leadership

Oxford Leadership™ · 2025

MA, Political Sciences & History

University of Presov, Slovakia

18 Years — Director-Level Roles

Reckitt (global FMCG) · The Estée Lauder Companies

Sector Experience

Industries Served

FMCG & Consumer Goods Health & Personal Care Pharmaceuticals & OTC Beauty & Luxury Global Manufacturing Logistics & Distribution E-commerce Fulfilment New Venture / Business Unit Launch

Ready to Transform Your Supply Chain?

Whether you need a rapid diagnostic, an interim programme director, or a longer-term strategic partner — let's talk.