About Dagmar Ritterbex | Founder of the LeanKitchen Strategy Consultant | Lean Transition Facilitator | Black Belt Lean Six Sigma
"Turning Strategy into Results"
With over 20 years of international experience as an independent consultant, I help organizations translate strategic ambitions into measurable outcomes through Lean Six Sigma excellence.
Professional Background
With over 20 years of international experience as an independent consultant, I help organizations translate strategic ambitions into measurable outcomes. My expertise lies in facilitating complex transitions, designing operating models, and embedding Lean ways of working to achieve sustainable performance improvements.
My journey began with an internship at DuPont that led to MBA sponsorship, followed by challenging international assignments at Accenture with clients like ENECO, SONY, GILLETTE, UNILEVER, and XEROX. Since 2004, I've led major transformations for organizations including Givaudan, J&J, FrieslandCampina, Crucell, GSK, ASML, and many others.
Career Journey
Founder
Strategic Nutrition for Peak Performance. Offering modular Lean-Agile programs that integrate the best of both methodologies.
Lean Six Sigma Black Belt
Led Lean Transition Program for Test & Measurement Department. Achieved 8.5/10 client rating. Value stream analysis of 12 processes.
Senior Lean Transition Consultant
Specialized in biotech, medical technology, and manufacturing. Designed global processes for EMEA, Asia, North America markets.
International Lean Transition Manager
Led complex international programs across Amsterdam, Mumbai. Managed multi-department transitions.
Independent Lean Consultant
Led major transformations at Givaudan, J&J, Eneco, FrieslandCampina, Crucell (>100M€ impact), GSK, Cell Medica, ASML, Renewi.
Senior Strategy Consultant
Various challenging international assignments with high-performance teams. Clients: ENECO, SONY, GILLETTE London, UNILEVER, XEROX.
Internal Consultant
B2B Computer Aided Marketing/Sales across EMEA. Started as internship, recognized as high potential with MBA sponsorship.
Expertise & Capabilities
Core Expertise
Strategic
- Operational Excellence Strategy: Designing OPEX strategies aligned with business goals
- Process & Value Stream Design: Streamlining processes to create value and reduce waste
- Lean Six Sigma & Data Analytics: Applying advanced statistical methods
- Performance Management: Designing KPIs, dashboards, and visual management systems
- Continuous Improvement & Leadership: Building Lean organizations
Key Capabilities
Operational
- Project, Program & Transition Management
- Change Management & Stakeholder Engagement
- International & Cross-Cultural Consulting Experience
- Multi-department Process Integration
- Strategic Planning & Implementation
Education & Credentials
Academic
- MSc Food Engineering, Wageningen University
- MBA, specialization in Applied Statistics, Bradford University
- International Certified Black Belt Lean Six Sigma, UPD
- Advanced training in Change Management
- Certified in multiple Lean methodologies
Notable Client Results
NEDAP (2024-2025)
RecentLed Lean Transition Program for Test & Measurement Department
- Value stream analysis of 12 processes
- Implementation of visual management systems
- Team training and coaching programs
Crucell (2009-2011)
High ImpactR&D Pipeline optimization: 13 years → 9 years development cycle
- Complete process redesign and value stream mapping
- Cross-functional team alignment and governance
- Performance measurement and tracking systems
Fresenius Medical Care (2020)
TransformationEnd-to-End Process Redesign for Benelux Organization
- Multi-site process standardization
- Digital transformation initiatives
- Change management and training programs
IDA Foundation (2017-2018)
InternationalMulti-department Lean transitions across Amsterdam & Mumbai
- Cross-cultural change management
- International team coordination
- Sustainable improvement culture development
My 4 Core Principles
Four foundational pillars that drive sustainable transformation results
Strategic Focus
Every transformation starts with clear strategic alignment
- Align Lean initiatives with business objectives
- Create measurable value propositions
- Ensure leadership buy-in and support
Sustainable Change
True transformation goes beyond quick fixes
- Design systems that maintain improvements
- Build capability within organizations
- Create lasting improvement culture
Global Perspective
International best practices adapted to local contexts
- Experience across 5+ countries and cultures
- Cross-cultural change management expertise
- Adaptation of global methodologies
Data-Driven Results
Every decision backed by solid data analysis
- MBA in Applied Statistics foundation
- Rigorous measurement and tracking
- Evidence-based decision making
Ready to Transform Your Organization?
Let's discuss how The Lean Kitchen's strategic nutrition can drive peak performance in your organization. Whether you need a single module or a comprehensive transformation program, I'm here to help you turn strategy into results.
Direct Contact: dagmar@leankitchen.nl | +31 6 11 20 77 44