Data Governance Expert

Building sustainable data governance that truly sticks across teams

I empower organisations to lead through data-driven strategies and governance frameworks that unlock real, measurable value.

0+ Years
CDMP Master
AIGP AI Governance
0 Countries
Trusted by
IKEALloyds BankJohnson & JohnsonE.ONUBSAlpiqista SEMayr-MelnhofGEA Group IKEALloyds BankJohnson & JohnsonE.ONUBSAlpiqista SEMayr-MelnhofGEA Group
Who I Am

Data governance expert
with 25+ years of experience

Hello! I'm Harro Wiersma, a seasoned interim data governance, data strategy, and master data quality expert with over 25 years of experience.

I offer strategic and hands-on support to bring your data governance initiatives to life, partnering with you from initial planning through full implementation. As an expert consultant and problem solver, I ensure that your processes run smoothly and effectively, leaving your organisation well-prepared for future challenges.

I have led multiple high-profile projects, including data governance frameworks for companies like IKEA, Lloyds Bank, Johnson & Johnson, E.ON, Billiton, and UBS. My approach is highly business-value-oriented, focusing on delivering measurable business value through robust data strategies.

The 5 E's Methodology

01
Engage

Understanding your data-driven needs

02
Evaluate

Business priorities and roadmap

03
Evidence

Your data-driven future vision

04
Establish

Concrete case for change

05
Execute

Deliver targeted business value

Certifications

DAMA CDMP® Master Master & Reference Data Data Quality Master ISO 8000 IAPP AIGP SAP MDG
Services

Comprehensive data
governance solutions

Tailored consulting services designed to deliver measurable business value at every stage of your data governance journey.

01

Data & AI Governance Consulting

Design and integrate scalable data strategies and architectures aligned with your business goals.

Together we build and implement data strategies and data governance frameworks tailored to your business, maximising data potential and aligning it with your enterprise architecture and business processes for sustainable growth.

Deliverables:
  • Custom governance strategy documents
  • AI ethics frameworks
  • Data strategy alignment roadmaps
02

Data Governance Frameworks

Building tailored governance structures that ensure data quality, ownership, and compliance.

Designing and implementing robust governance frameworks enhances accountability, promotes data ownership, and streamlines processes. This covers policy design, governance roles, and structures like the data governance council.

Deliverables:
  • Comprehensive governance policy manuals
  • Business glossary
  • Role-based responsibility matrices
03

Master Data Management

Centralise and harmonise critical business data across all systems.

Master Data Management optimises essential business data by centralising, standardising, and synchronising information across all platforms, reducing redundancies and enabling accurate data access.

Deliverables:
  • Centralised master data model
  • Data domain model
  • Data integration roadmaps
  • Improved data quality metrics
04

Data Quality Management

Ensure your data is accurate, complete, and reliable for strategic decisions.

Effective data quality management is essential for accurate reporting and analysis. This service assesses data quality across systems, implements correction processes, and establishes ongoing maintenance strategies.

Deliverables:
  • Data quality rules and rulesets
  • Data quality audit reports
  • Cleansing workflows
  • One-time cleansing activities
05

CDO Advisory & Change Management

Strategic guidance for Chief Data Officers and organisational transformation.

Designed for Chief Data Officers, this advisory service helps refine strategy, structure, and implementation processes. Covers managing data-driven change, stakeholder engagement, and establishing smooth transitions to new processes.

Deliverables:
  • Strategic roadmaps
  • Stakeholder engagement plans
  • Change-readiness assessments
  • Customer experience data insights
06

Data Governance Campus

Customised eLearning modules based on DAMA & DGI standards.

Tailored eLearning ensuring all relevant employees can access and integrate essential data knowledge into their roles, fostering a company-wide culture of data responsibility and governance.

Deliverables:
  • Interactive training modules
  • Assessment quizzes
  • White-labeled platform
Explore Campus →
07

Maturity Assessments

Evaluate governance effectiveness with customised surveys and growth reports.

Gain a comprehensive view of your organisation's data governance maturity, identifying strengths and areas for improvement through qualitative and quantitative analysis.

Deliverables:
  • Interactive web-based assessment
  • Growth report
  • Prioritised improvement roadmap

Custom Solutions Available — Every organisation is unique. I tailor my approach to your specific challenges.

Discuss Your Needs
How I Work

A proven implementation
process

01

Assessment & Strategy

We analyze your current data landscape, identify governance gaps, and develop a comprehensive strategy aligned with your business objectives.

02

Framework Design

Design robust governance frameworks with clear policies, roles, and responsibilities that ensure data quality and compliance.

03

Implementation & Training

Execute the framework with hands-on support, team training, and change management to ensure sustainable adoption.

04

Monitoring & Optimization

Establish continuous monitoring and optimization strategies to maintain governance effectiveness over time.

Client Success

What industry
leaders say

Harro is wise manager of change with great attitude and passion to shape an impactful ecosystem. He is a extraordinary expert with a strong balance of strategic thinking and down to earth implementation skills. It was an amazing pleasure to collaborate closely on regional level!
Peter McDonald Johnson & Johnson
I was very impressed by Harro's ability to quickly absorb and consolidate information about our business model, internal structures, and way of working. Combining that with his profound industry and domain knowledge resulted in very valuable, practical, actional deliverables.
Ralfe Poisson Enterprise Architect, Alpiq
Throughout the engagement Harro demonstrated both strategic perspective and leadership skills, and an impressive depth of knowledge and hands-on skill with regard to data management. Harro successfully delivered a realtime security event feed integration.
Dominik Raub CTO Cyber Security, UBS
We have worked intensively with Harro this year in order to develop a company wide data excellence framework for ista SE. Harro brought profound know how on data management to the table and helped our organisation to excel in data.
Nils Arwed Engelke CIO, ista SE
Harro has enormous practical expertise and willingness to react very flexible according to customer requirements. He has a very hands on mentality and it really makes fun to work with him. Even under extreme pressure it is possible to work with him in a very positive and creative way.
Gerhard Kampl Innovator & Communicator
Harro helped a lot my team to set up right data governance. I wish we will had him on board from the beginning of the project — this would save us a lot of time and have proper data strategy. If you are thinking about implementation — don't forget about DATA.
Jacek Sobaski Mayr-Melnhof
0+Years Experience
0+Projects Delivered
0+Enterprise Clients
0Countries Reached
Insights & Publications

Latest thinking

Recent Articles

Master Data Challenges in Real Life

9 Villages in Germany have the same postal code and each having a "Dorfstrasse". How will we cope from a data governance perspective?

Read on LinkedIn →

Don't Screw Up Your Master Data — Book Launch

My new book is now live on Amazon as both hardcover and ebook. Packed with real-world lessons and practical frameworks.

Read on LinkedIn →

Creating Master Data Records from Several Sources

Creating Master Data records from several sources needs a process known as survivorship.

Read on LinkedIn →

Management in Times of War — Book Review

After my last visit to Kyiv, I read 'Management in Times of War'. It made me think of parallels with data governance leadership.

Read on LinkedIn →

Connect with me on LinkedIn for regular insights, industry updates, and practical tips on data governance.

Follow on LinkedIn
Get in Touch

Let's discuss your
data governance journey

Office

Harro Wiersma Smart Consulting
Bleriot-Allee 4
CH-8152 Glattpark Opfikon
Switzerland

Registration

Private Entrepreneur (Einzelfirma)
CHE-411.262.291

XAPPO Enterprises Ltd. (Malta)
C-105776 | EU VAT: MT30305135

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