PRO F ESSI O NA L PRO FI LE
For over 20 years, I have been helping
many of the world’s largest organizations to
release the value of their data, enabling
business leaders to make strategic
executive decisions. I have a natural ability
to use divers and complex data sets to
solve real-world business issues. I have
built award-winning teams of experts that
tackle complex data problems using the
latest and greatest in data services.
I manage teams of talented data and
strategy experts as they engage with our
stakeholders in every stage of their data
journey. From data strategists who
conceptualize the flow and use of data, to
data engineers who build diverse platform
solutions to data scientists who perform
robust analytics and extract insights.
My in-depth expertise with platform
agnostic data strategy and business
intelligence design & development coupled
with my business and program
management acumen have consistently
allowed me to deliver industry-leading
solutions. Beyond these core expertise, I
enjoy looking for creative solutions to push
the boundaries of what’s possible.
C O N TA C T D ETAI LS
Phone
+41 79 878 01 13
Email
h@rro.email
LinkedIn
LinkedIn/hmwiersma
Website
www.harro.ch
Address
Blériot-Allee 4,
CH-8152 Glattpark (Opfikon)
PROJECT EXPERIENCE
Data Governance Expert Consultant Feb 2024 - current
Ista SE, Essen, Germany
I am leading the design and implementation of a fully tailored data governance
framework for ista SE, including criteria for ensuring data quality, consistency, and
mastering. Developed data quality measures, dashboards, and performed frequent
assessments to ensure continual progress. To improve data discoverability and usability,
we implemented a consolidated data catalogue and comprehensive metadata
management practices. Held stakeholder workshops and build training to promote data
governance best practices. Established agile data stewardship roles and promoted
organisational-wide collaboration to increase data literacy. Maturity assessments were
conducted, and practical recommendations were made to improve data governance
initiatives.
Data Governance & Strategy Consultant Jun 2023 - Dec 2023
MM Group, Vienna, Austria / Kwidzyn, Poland
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 data governance strategy for the SAP S/4 HANA
transformation project.
• Led several Master Data Management (MDM) initiatives, ensuring data
accuracy 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.
Project Manager “Future of Data” Oct 2022 – Mar 2023
Meier Tobler AG, Schwerzenbach, Switzerland
Project-manager for the “Future of Data” project, as part of the overall SAP S/4 HANA
Migration. Responsible for the Data Quality, Master Data Management and Data
Governance activities, to ensure a smooth migration from 2 legacy SAP R/3 systems into
a single S/4 HANA instance. Close cooperation with several of the program streams to
mitigate risks and clear migration goals.
Project deliverables:
• Definition of data cleansing and MDM rules for customers, vendors and
materials, their implementation and integration into cleansing solution and
definition and hands-on support of cleansing and mastering activities.
• Data Governance structure and organizational setup within both project and
operations organization.
• Definition of Business Partner for migration, matching of objects.
• Definition of Master Data approach for Business Partner and Materials.
Data Governance & Strategy Expert Dec 2022 - Apr 2023
E.ON, Essen, Germany
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. Data Governance Audit for specific local subsidiaries.
HARRO M. WIERSMA
Senior Data Governance Expert Consultant