19.06.2026 aktualisiert

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Data Governance & Master Data Management Expert · DAMA CDMP Master · 3x Author · DQ & AI

Glattpark, Schweiz
Deutschland +8
info: Deutschland, Österreich, Schweiz, Ukraine, Belgien, Dänemark, Luxemburg, Niederlande, Polen
M.Sc. Computer Information Systems
Glattpark, Schweiz
Deutschland +8
info: Deutschland, Österreich, Schweiz, Ukraine, Belgien, Dänemark, Luxemburg, Niederlande, Polen
M.Sc. Computer Information Systems

Profilanlagen

MDQM eCertificate 2024071600_Harro Wiersma.pdf
SAP2024Certification20240724-7-8g8u8r.pdf
Harro_M_Wiersma_Profile_080924.pdf
certificate-csrd-fundamentals.pdf
CDMP -Data Quality Exam_ Master Level - Robinson Ryan Badging.pdf
CDMP - Master and Reference Data_ Master Level - Robinson Ryan Badging.pdf
Harro_M_Wiersma_Projects_081024.pdf
Recommendations_Harro Wiersma_LinkedIn.pdf
CDMP_Master_Certificate_CDMP_-_Certified_Data_Management_Professionals_Wiersma.pdf

Über mich

Pragmatic Data Governance & Master Data Management expert. Author of three books on data leadership, including the new "Don't Screw Up Your Data Governance" (2026). DAMA CDMP® Master — 1 of ~350 globally. 25+ years inside programmes at IKEA, J&J, UBS, E.ON, Lloyds and others. https://www.harro.lu

Skills

Data CatalogData GovernanceData MigrationQualitätsmanagementData LineageDatenanalytikSAP MDG
Deutsche Übersetzung siehe unten

I'm a pragmatic Data Governance and Master Data Management expert. Twenty-five-plus years inside live programmes at IKEA, Johnson & Johnson, UBS, E.ON, Lloyds Bank, Alpiq, ista SE, Mayr-Melnhof and GEA Group, across banking, healthcare, manufacturing, energy and retail. 3 published books on data leadership, including the brand-new "Don't Screw Up Your Data Governance: a Context-Driven Framework for the Next Decade" (2026).

What I do — practically, not theoretically:
• Data Governance operating models · RACI matrices · council ToR · policies & standards
• Master Data Management: domain operating models, golden-record rulesets, mastering decisions
• Data Quality: SQL profiling, rule libraries, KPI dashboards, automated monitoring
• Reference Data harmonisation across multi-ERP estates (AX, S/4HANA, custom)
• AI Governance: data-side guardrails, training-data lineage, AIGP-compliant frameworks
• S/4HANA data migration readiness — multi-entity, multi-country

Credentials matter on a platform like this — I'm one of approximately 350 DAMA CDMP® Master-certified Data Governance experts globally. Additionally, I have IAPP AIGP, ISO 8000 Master Data Quality, SAP MDG, BCBS 239, and CSRD-relevant practice.

Deutsch
Pragmatischer Experte für Data Governance und Master Data Management. Über 25 Jahre in Live-Programmen bei IKEA, Johnson & Johnson, UBS, E.ON, Lloyds Bank, Alpiq, ista SE, Mayr-Melnhof und GEA Group, quer durch Banking, Healthcare, Manufacturing, Energie und Retail. 3 veröffentlichte Bücher zu Data Leadership, einschließlich des brandneuen "Don't Screw Up Your Data Governance: a Context-Driven Framework for the Next Decade" (2026).

Wofür mich Kunden buchen — praktisch, nicht theoretisch:
• Data-Governance-Operating-Models · RACI · Council ToR · Policies & Standards
• Master Data Management: Domain-Operating-Models, Golden-Record-Rulesets, Mastering-Entscheidungen
• Data Quality: SQL-Profiling, Regel-Bibliotheken, KPI-Dashboards, automatisiertes Monitoring
• Reference-Data-Harmonisierung über Multi-ERP-Landschaften (AX, S/4HANA, Custom)
• AI Governance: Data-Side-Guardrails, Training-Data-Lineage, AIGP-konforme Frameworks
• S/4HANA-Daten-Migrationsbereitschaft — Multi-Entity, Multi-Country

Zertifizierungen zählen auf einer Plattform wie dieser — ich bin einer von ungefähr 350 DAMA CDMP® Master-zertifizierten Data-Governance-Experten weltweit. Dazu gehören IAPP AIGP, ISO 8000 Master Data Quality, SAP MDG, BCBS 239 und CSRD-relevante Praxis.

Keywords
Data Governance, Data Strategy, AI Governance, Master Data Management, MDM, Data Quality Management, DQM, Reference Data, Business Intelligence, S/4HANA Data Migration, Stewardship, Golden Record, Policies & Standards, Metadata Management, DAMA-DMBOK, DAMA CDMP Master certified, SAP MDG certified, ISO 8000 Master Data Quality Manager certified, IAPP AIGP certified, BCBS 239, CSRD, Fractional CDO, Acceleration Sprint, Diagnostic

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2001

Sprachen

DeutschverhandlungssicherEnglischverhandlungssicherFranzösischGrundkenntnisseNiederländischMutterspracheNorwegischGrundkenntnisseSchwedischverhandlungssicher

Projekthistorie

Master Data Governance Consultant

Industrie und Maschinenbau

>10.000 Mitarbeiter

Master Data Governance Consultant as part of a multi-ERP consolidation and migration to SAP MDG & SAP S/4 HANA. Enabled the organsation to improve data quality for their Business Partners (customer & vendor) and Material master records to migrate more efficiently. Build-up of local and regional Data Steward organisations, strategic advice regarding data mastering for 6 major data domains. Intercompany strategies for Material Mastering, definition of material number ranges and speaking logic,

Data Governance Expert Consultant

ista SE, Essen (DE)

Energie, Wasser und Umwelt

5000-10.000 Mitarbeiter

Deliverables and Tasks:
  1. Data Governance Framework Development:
    • Designed and implemented a comprehensive and customised data governance framework tailored to ista SE’s specific needs.
    • Established guidelines, procedures, and standards to ensure data quality, consistency, and security.
  2. Data Quality Management:
    • Developed and deployed data quality metrics and dashboards for ongoing monitoring and improvement.
    • Conducted regular data quality assessments and initiated corrective actions to address discrepancies.
  3. Data Catalogue and Metadata Management:
    • Implemented a centralised data catalogue to enhance data discoverability and usability.
    • Developed metadata management practices to ensure data lineage and context are well-documented.
  4. Compliance and Risk Management:
    • Ensured compliance with relevant data protection regulations, including GDPR.
    • Identified data-related risks and developed mitigation strategies.
  5. Stakeholder Engagement and Training:
    • Conducted workshops and training sessions for employees to promote data governance awareness and best practices.
    • Engaged with key stakeholders to align data governance initiatives with business objectives.
  6. Agile Data Stewardship and Collaboration:
    • Established data stewardship roles and responsibilities across various tribes - based on agile@scale organisation setup..
    • Facilitated collaboration across the organisation to enhance data governance efforts and improve data literacy.
  7. Data Governance Maturity Assessment:
    • Performed maturity assessments to evaluate the current state of data governance at ista SE.
    • Provided actionable recommendations for continuous improvement, and started implementation of those actions.
  8. Technology Integration:
    • Advised on the integration of data governance tools and technologies to streamline governance processes.
    • Supported the deployment and configuration of data management platforms.

Data Governance & SAP Master Data Governance Consultant

MM Group, Vienna AT / Kwidzyn PL

Industrie und Maschinenbau

5000-10.000 Mitarbeiter

In this role I contributed to data reliability, compliance, and project success in the SAP S/4 HANA transformation, showcasing expertise in data management, governance, and strategic alignment.
  • developed and implemented a data governance strategy for the SAP S/4 HANA transformation project.
  • leading several Master Data Management (MDM) initiatives, ensuring data accuracy, harmonisation and consistency for business partners, materials, and several other data domains.
  • Defined data quality standards and established data quality processes.
  • Introduction of a holistic data domain model across the mills and divisions.
  • Drove organizational transformation for data-driven decision-making.
  • Created a data governance framework, catalogue, and glossary.
  • Ensured data security and compliance with regulations.
  • Measured data quality through key metrics.
  • Implemented Data Ownership & Stewardship roles and councils - with a clear senior leadership buy-in of these activities.

Data Governance Approach Definition & Audit

E.ON Germany

Energie, Wasser und Umwelt

5000-10.000 Mitarbeiter

Definition of a Data Governance approach for a single business unit within E.ON Germany, consisting of a Data Domain structure, Data Quality Management approach and a Data Literacy roadmap. Audit to ensure aligned as-is status for their data governance processes and integration withinin local subsidiaries.

Data Quality and Data Governance Consultant

Handelsunternehmen in die Schweiz

Energie, Wasser und Umwelt

1000-5000 Mitarbeiter

for a SAP Migration project (2 source ECC R/3 systems to a single new SAP S/4 HANA target) I supported the project with Data Quality Management, Master Data Management and Data Strategy Consulting Support for 3 main data domains: customers, suppliers, and materials. In parallel, a new distribution warehouse is being integrated into the business processes. I supported the customer to ensure all relevant data was ready for migration and all data and governance related processes were integrated both from a technical and business perspective.

ai. Data Strategy & Execution Lead EMEA

Johnson & Johnson
Managing a team of talented data, data-governance and -strategy experts as we engage with our business
stakeholders in every stage of their data journey. From business leaders who define the business road-map
to data engineers who build diverse platform solutions to data scientists who perform robust analytics and
extract insights; I'm focusing on delivering direct business value out data, by creating a strong data strategy,
supported by a structured data governance approach based on 5 guiding principles - Data Ownership, Meta
Data Management / Data Modelling, Master Data Management, Data Quality and Data Availability.

Founder / Enterprise Data Architect

NDA
I have successfully build a niche data related consulting company with 10+ employees in Switzerland and our own dedicated near-sourcing teams in Kyiv and Lviv, Ukraine.

My responsibilities consisted of:

- company and project management - including sales and business case definitions
- management consulting for data architecture and governance related topics.
- build and maintain customer relationships
- information & data architecture - created several solutions and approaches for our customers.
- announced "speaker of the year 2015" by the swiss oracle user group.
- Project List as Attachment to this profile or on https://harro.ch/Projects.html

Founding CEO & President of the Board

iShepherd, Inc.
Founded a startup in the field of Identity and Access Management analytics, based on graph and AI
technologies.

Senior Manager Data & Analytics

EY
Support of SMEs and large companies in the (re)definition of their data and digital strategy -using data on
a broader scale in order to increase the added business value for companies and customers. Digital and
data transformation with a comprehensive understanding of business and technology across many industries.
Reorganization & restructuring of IT areas as interim, project and program manager.

Head of Data Warehousing & Business Intelligence

Postfinance
responsible for a team of 29 employees and consultants, supporting a development, redevelopment and
extension of the data warehouse and business intelligence solution.

Division Head Service Engineering

Opitz Consulting Schweiz GmbH.

Technical Lead IT Infrastructure Engineering

Sunrise Communications AG

Founder

Signitory ICT Holding NV; IKEA; Banco de España; Billiton; Deutsche Bahn; Gasunie
Freelance consultant with projects for IKEA, Banco de España, Billiton, Deutsche Bahn, Gasunie and several
other larger organisations.

Zertifikate

CSRD Fundamentals

CSRD Institute

2024

iAPP AIGP (Artificial Intelligence Governance Professional)

iAPP

2024

DAMA CDMP Master - Data Management Fundamentals Exam: Master Level

DAMA International / BADGR

2024

ISO 8000 Master Data Quality Manager (2026)

ECCMA

2024

DAMA CDMP Practitioner - Data Management Fundamentals Exam: Practitioner Level

DAMA International / BADGR

2023

CDMP Associate - Data Management Association Certified Data Management Professional Certification - Associate Level.

DAMA International / BADGR

2023

SAP Certified Application Associate - SAP Master Data Governance MDG

SAP

2023

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