Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am Kesja Korzeniowska, a Data Quality and Governance Specialist with strong technical expertise in SQL, Power BI, Aperture, Erwin DI and Snowflake. I design and lead enterprise data quality frameworks that improve data integrity across systems. I thrive on cross-functional collaboration, turning data into actionable governance at scale and enabling informed decision-making through insightful dashboards and data literacy initiatives.…I am Kesja Korzeniowska, a Data Quality and Governance Specialist with strong technical expertise in SQL, Power BI, Aperture, Erwin DI and Snowflake. I design and lead enterprise data quality frameworks that improve data integrity across systems. I thrive on cross-functional collaboration, turning data into actionable governance at scale and enabling informed decision-making through insightful dashboards and data literacy initiatives.

Kesja Korzeniowska

Data Analyst, Data Scientist, AI Engineer, +2





I am Kesja Korzeniowska, a Data Quality and Governance Specialist with strong technical expertise in SQL, Power BI, Aperture, Erwin DI and Snowflake. I design and lead enterprise data quality frameworks that improve data integrity across systems. I thrive on cross-functional collaboration, turning data into actionable governance at scale and enabling informed decision-making through insightful dashboards and data literacy initiatives.…I am Kesja Korzeniowska, a Data Quality and Governance Specialist with strong technical expertise in SQL, Power BI, Aperture, Erwin DI and Snowflake. I design and lead enterprise data quality frameworks that improve data integrity across systems. I thrive on cross-functional collaboration, turning data into actionable governance at scale and enabling informed decision-making through insightful dashboards and data literacy initiatives.

Available to hire

I am Kesja Korzeniowska, a Data Quality and Governance Specialist with strong technical expertise in SQL, Power BI, Aperture, Erwin DI and Snowflake. I design and lead enterprise data quality frameworks that improve data integrity across systems.

I thrive on cross-functional collaboration, turning data into actionable governance at scale and enabling informed decision-making through insightful dashboards and data literacy initiatives.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Data Quality Lead at St. James's Place (SJP)

July 1, 2025 - July 1, 2025

Led data quality initiatives, delivering frameworks and reporting standards to improve data integrity across systems. Collaborated with stakeholders to resolve data issues, align data strategies with business goals, and drive root cause remediation. Developed Power BI dashboards and led adoption of the Erwin DI tool to enhance data governance, operational efficiency, and insight-driven decision-making.

Customer and Accounts Platforms Manager at TSB

June 1, 2023 - June 1, 2023

Responsible for strategy deployment for customer and accounts platforms, coordinating change prioritisation, regulatory compliance, and platform capacity. Led data governance, produced executive reporting and dashboards, and delivered predictive analyses for cost reductions.

Customer and Accounts Platforms Analyst at TSB

May 1, 2022 - May 1, 2022

Supported customer and accounts platforms by managing incidents, prioritising changes, and optimizing performance in collaboration with technical teams. Delivered comprehensive dashboards for visibility of platform activity and cost reporting.

Customer Data Consultant at TSB

December 1, 2020 - December 1, 2020

Delivered customer data changes and defect fixes, driving improvements in data quality and customer experience. Managed remediation, access controls, and reference data processes, coordinating remediation plans including FSCS.