Dorota Oles
Castlepollard,Ireland
Summary
A dynamic professional with expertise in Python, Excel, SQL, Tableau, and Power BI. Proficient in data acquisition and ETL processes to ensure high-quality, accurate data. I am skilled in process automation and reporting, enhancing operational efficiency. I am committed to continuous improvement through performance monitoring and competitor analysis using business intelligence tools.
Overview
10
10
years of professional experience
11
11
years of post-secondary education
Work history
Operations Manager
Circana
2024.04 - 2026.04
- Lead operations across global analytics and data teams, ensuring smooth delivery, timely resolution of issues, and continuous data flow.
- Accelerated onboarding of new retailers by creating reusable macros and Decision Key templates, reducing manual work and improving integration efficiency.
- Optimized existing SQL reports by simplifying query logic, significantly reducing run times and improving performance visibility.
- Conducted training sessions on automation tools, improving self-sufficiency across teams and reducing dependency on manual support.
- Actively monitored and resolved data issues (IRIS, OCS) to maintain data quality and support uninterrupted reporting cycles.
- Collaborated cross-functionally with stockholders through scrum calls, SharePoint, and Teams to align on project execution.
- Led planning for seasonal transitions, ensuring data validation and retailer onboarding were completed proactively.
- Championed standardization by documenting SOPs, updating reporting tools, and sharing best practices to support broader team scalability.
- Supported trend comparability by implementing advanced methodologies such as week-shift recasting across key datasets.
Analyst, Global Analytics
The NPD Group
2022.07 - 2024.03
- Compiled and analysed large, complex datasets using SAS, SQL, and Python to support high-impact business decisions.
- Built scalable analytics tools and dashboards to track category sales trends, market share, retailer onboarding progress, and data quality metrics across multiple sources.
- Automated recurring reporting processes, improving delivery speed, consistency, and data accessibility.
- Delivered actionable insights by monitoring trends, investigating anomalies, and interpreting business-critical data.
- Developed and maintained recurring reports (monthly, quarterly, annual), combining both quantitative and qualitative metrics.
- Supported internal stakeholders with ad hoc analysis and tools tailored to evolving client needs.
Data Input Operations Specialist
The NPD Group
2021.04 - 2022.06
- Monitored ETL pipelines and ensured timely, accurate data ingestion across multiple retailers, supporting adherence to delivery SLAs and data quality KPIs.
- Analysed operational metrics and large datasets to identify performance gaps, recurring anomalies, and root causes of delays or discrepancies.
- Supported new retailer onboarding by validating data completeness and proactively addressing ingestion and transformation issues.
- Collaborated with cross-functional teams to resolve system disruptions, contributing to sustained data pipeline health and service continuity.
- Documented key procedures and supported operational efficiency by contributing to SOP updates and reusable tool enhancements.
Anomaly Detection Operations Associate
The NPD Group
2019.01 - 2021.01
- Monitored retail trading data across multiple levels (subclass, channel, global) to detect anomalies, validate performance metrics, and ensure accurate reporting.
- Ensured data completeness and timely delivery by leveraging SAS, SharePoint, and internal systems.
- Investigated and resolved data quality issues affecting key KPIs, minimizing client impact and delivery risks.
- Validated retailer upgrades and historical data consistency to support seamless transition and reporting accuracy.
- Collaborated cross-functionally to implement scalable tools and enhancements that improved operational efficiency and reduced manual intervention.
Department Manager
Dunnes Stores
2016.01 - 2019.01
- Tracked, analysed, and reported KPIs (sales, stock levels, shrinkage) to drive performance improvements and action planning.
- Conducted seasonal sales forecasting to optimize inventory levels, minimize stockouts, and reduce excess stock.
- Reduced stock loss by implementing training programs, security measures, and process audits to address root causes.
- Collaborated with buyers, visual merchandisers, and peer store managers to align promotions, improve in-store experience, and support brand growth.
- Enhanced merchandising standards by organizing product layouts and stock availability to improve customer engagement and conversion rates.
Education
Postgraduate Certificate - Data Science
Technological University Dublin
2024.01 - 2025.01
Higher Diploma - Data Analytics for Business
CCT College Dublin
2021.01 - 2022.01
Google Data Analytics Professional Certificate - Data Analytics
Google
2021.06 - 2022.01
Diploma - Bookkeeping
Pitman
2020.01 - 2020.06
Bachelor's degree - business management
Letterkenny Institute of Technology
2012.01 - 2015.01
Master's degree - Sociology
University of Szczecin
2003.01 - 2008.01
Skills
- Python
- Excel
- SQL
- Tableau
- Power BI
- Data Acquisition & ETL Processes
- Data Quality & Accuracy
- Process Automation & Reporting
- Operational Efficiency & Timeliness
- Cross-functional Collaboration
- Detail-oriented
- Collaborative
- Proactive
- Analytical Thinker
- Adaptable
- Resilience in high-pressure situations
- Performance monitoring
- Continuous Improvement implementation
- Business intelligence tools
- Competitor analysis
- Database management
- Data analysis
References
References upon request
Affiliations
- I enjoy working with reactive dogs, helping them build confidence and change their behaviour
- Avid reader participating in the 52 books per year challenge
Languages
Polish
Native
English
Fluent
References
References available upon request.
Timeline
Operations Manager
Circana
2024.04 - 2026.04
Postgraduate Certificate - Data Science
Technological University Dublin
2024.01 - 2025.01
Analyst, Global Analytics
The NPD Group
2022.07 - 2024.03
Google Data Analytics Professional Certificate - Data Analytics
Google
2021.06 - 2022.01
Data Input Operations Specialist
The NPD Group
2021.04 - 2022.06
Higher Diploma - Data Analytics for Business
CCT College Dublin
2021.01 - 2022.01
Diploma - Bookkeeping
Pitman
2020.01 - 2020.06
Anomaly Detection Operations Associate
The NPD Group
2019.01 - 2021.01
Department Manager
Dunnes Stores
2016.01 - 2019.01
Bachelor's degree - business management
Letterkenny Institute of Technology
2012.01 - 2015.01
Master's degree - Sociology
University of Szczecin
2003.01 - 2008.01