Катерина

Katerina Nesteruk-Hryzohlazova

CISA, CISM, AWS Practitioner
Chief Digital Transformation Officer (CDO)

Profiles
Dynamic and visionary Chief Data & Digital Transformation Officer with proven expertise in designing and
executing enterprise-wide data strategies that drive business value and innovation. Demonstrated success in
building data-driven cultures, implementing robust data governance frameworks, and leading cross-
functional teams to deliver advanced analytics, AI, and cloud data platform solutions. Adept at aligning data
initiatives with organizational goals, optimizing data quality, and enabling digital transformation to support
sustainable growth and competitive advantage. Recognized for strategic leadership, stakeholder
engagement, and the ability to translate complex data challenges into actionable business outcomes.

01/09/2003 – 31/07/2007: Bachelor’s Degree in Foreign Economic Activity
Education Management, Kryvyi Rih Technical University, Ukraine
01/08/2007 – 31/07/2008: Master’s Degree in Foreign Economic Activity
Management, Kryvyi Rih Technical University, Ukraine

06/10/2008 – 04/07/2011: " ArcelorMittal Kryvyi Rih — SAP Competency

Experience Center / Specialist

 Played a key role in the end-to-end implementation of SAP ERP, driving digital
ArcelorMittal transformation and process optimization across core business functions (SD, MM,
PP).
Kriviy Rih  Led the configuration and deployment of SAP modules, developed custom roles
and Z-reports, and created comprehensive user documentation and training
materials.
 Coordinated user training sessions and provided post-launch support, ensuring
seamless adoption and operational stability of the new ERP environment.
 Collaborated with cross-functional teams and external consultants (including
Deloitte) to align IT solutions with business needs and compliance requirements.
  Established best practices for system support and continuous improvement,
contributing to the long-term sustainability of SAP solutions within the
organization.

04/07/2011 – 13/04/2017: ArcelorMittal Kryvyi Rih — SSCCA / Data
Management Team / Database Administrator/

 Led the design, automation, and maintenance of enterprise-wide data
management processes for the ACIS segment, covering multiple international
business units (Ukraine, Kazakhstan, South Africa, Algeria).
 Developed and implemented a centralized Finance Data Warehouse (SQL
Server), integrating and harmonizing data from diverse corporate systems (BPM,
GCB, GTB, SaRA, PPM, MDE) to enable reliable, timely, and actionable
business reporting.
 Automated regular reporting for top management, significantly improving data
accuracy, speed, and transparency for financial, HR, marketing, and procurement
analytics.
 Participated in the implementation of BusinessObjects BI (BOBI) for
procurement analytics, ensuring seamless data integration from multiple SAP
ERP systems (AMKR/AMT) into SQL-based analytical environments.
 Designed and optimized ETL processes, created and maintained data sources, and
developed business logic in T-SQL to support evolving business requirements.
 Collaborated with cross-functional teams to translate business needs into robust
data solutions, supporting data-driven decision-making at the segment level.
 Ensured data quality, consistency, and compliance with internal standards, laying
the foundation for advanced analytics and future data governance initiatives.

17/04/2017 – 24/01/2020: METINVEST HOLDING — Internal Audit
Directorate / Manager of IT Audit
 Established a risk-based IT audit function aligned with leading standards
(COBIT, ISO), enhancing the company’s overall IT governance and control
environment.
 Successfully managed the implementation of SAP GRC Process Control,
Experience
delivering the project on time and meeting all technical requirements; gained
hands-on expertise in supporting and maintaining this solution.
 Independently developed and automated the project management process for the
METINVEST
directorate using Project Online, streamlining workflows and increasing
HOLDING
operational efficiency.
 Led the audit of the SAP BW system, providing in-depth analysis and actionable
recommendations to improve system effectiveness and data reliability.
 Managed information security audits, identified critical process and technical
gaps, and initiated improvements to strengthen the company’s security posture.
  Developed an internal reporting system for the directorate on the Power BI
platform, significantly improving transparency and decision-making.
 Deepened expertise in risk assessment, IT security, audit methodology, stakeholder
communication, and change management.

27/01/2020 – 05/09/2022 – FOZZY GROUP — Internal Audit Directorate /

Senior IT Auditor

 Independently established and implemented key IT audit processes based on
COBIT 5 standards, covering 10+ business units and identifying 60+ control
gaps, which led to a 35% improvement in IT governance maturity.
 Designed and rolled out a comprehensive risk assessment methodology, now
used for 100% of IT audit planning, enabling prioritization of critical systems
Experience and reducing unplanned audit effort by 25%.
 Personally conducted over 12 full-scope audit projects within two years,
producing 150+ actionable recommendations that drove modernization of
FOZZY GROUP infrastructure, cybersecurity, and data management processes.
 Partnered with IT and business leaders to embed audit findings into ongoing
transformation programs, resulting in 20% faster remediation cycles and
measurable risk reduction across core systems.
 Enhanced audit methodologies, reporting, and communication standards,
introducing Power BI dashboards that cut reporting time by 70% and improved
transparency for C-level stakeholders.
 Fostered a culture of continuous improvement and accountability, reflected in
a 40% increase in timely implementation of audit recommendations over the
audit period.

06/09/2022 – till now – TEMABIT FOZZY GROUP - Chief Data Officer
 Developed and executed a company-wide Data Strategy covering 15+
business domains, 700+ retail locations, and 40,000+ employees, achieving a
measurable uplift in data-driven decision-making across the organization.
 Assessed data-management maturity across all units using DAMA-DMBoK
methodology and delivered a roadmap that raised the company’s maturity score
from Level 1.5 to 3.0 within 18 months.
 Created and implemented a role-based Data Governance Model, appointing
40+ data owners/stewards and formalizing governance for 2000+ critical data
assets.
 Designed and piloted a Data Mesh approach, enabling domain-based analytics
delivery that cut time-to-insight by ~40 % and reduced data duplication by 30 %.
  Established a Data Quality Policy & Framework, improving data accuracy
and consistency across financial and operational systems by 25 % through
automated monitoring and stewardship processes.
 Led the Microsoft Fabric migration program, unifying 30+ data sources and
200+ calculations; implemented DBT to reduce ETL cost and runtime by 35 %,
saving over $250 K annually.
 Tested and deployed AI solutions using analytical datasets, delivering initial
PoCs in demand forecasting and price optimization with accuracy gains of +15 %
over baseline models.
 Built and migrated the corporate Data Catalog (Data Hub) to Microsoft
Purview, documenting 2500 + datasets and standardizing metadata across all
business units.
 Regulated the data-catalog maintenance process and founded the Data
Governance Steering Committee—a cross-functional decision-making body
that reviews 50+ data initiatives annually and ensures executive-level alignment
of all data projects.

Professional Development & Recognition
 Featured speaker at leading industry events: Word Data Summit (May 2025),
DAMA Kiev Data Conference (November 2025), and government accelerator
program 'Vidvazhna - 3' (October 2025), where also served as a mentor.
Professional  Active member of DAMA and the Data Governance Institute, contributing to the
Development advancement of data management best practices.
 Microsoft-certified in AI skills, demonstrating commitment to continuous
learning and innovation in data and analytics.
 Recognized for strong leadership and strategic thinking, with a proven ability to
inspire teams and drive organizational change.
Continuous Learning
 Certified Information Systems Auditor (CISA)
 Certified Information Security Manager (CISM)
 AWS Certified Cloud Practitioner
 Microsoft Certified: AI Skills, MS Fabric

Technical\Hard\ Core Soft Skills:

o Microsoft Fabric, MS SQL, DBT, Power BI, SAP BI, Purview, AI
Governance (MS Sofia, Copilot Studio).
o Leadership • Strategic Thinking • Mentoring • Stakeholder • Engagement

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