DENİZ OZAN

Leading Data Governance and AI-supported data initiatives across 15+ companies within Koç Holding, focusing on enabling data-driven decision-making and improving operational efficiency.

• Designed and implemented enterprise-wide Data Governance frameworks, including data ownership models, stewardship structures, and governance operating models
• Established business glossary, data catalog, and data lineage to improve data discoverability and trust across organisations
• Defined and operationalized data quality frameworks, supporting reliable reporting and business-critical decision-making
• Collaborated with business and technical teams to identify and prioritise data and AI use cases, enhancing operational and commercial alignment
• Contributed to the design of data pipelines and data models in collaboration with data engineering teams, supporting analytics and reporting needs
• Collaborated with business and technical teams to identify and prioritise data and AI use cases aligned with operational and commercial needs
• Developed AI-supported solutions to automate governance and data processes, including workflow automation and data quality checks using tools such as n8n and LLM-based approaches
• Defined governance considerations for AI-enabled workflows and agent-based solutions, ensuring alignment with data privacy, security, and organizational policies
• Developed KPI frameworks and reporting structures, enabling effective performance tracking and informed decision-making
• Acted as a bridge between business and technical teams, translating requirements into actionable data solutions that address specific business challenges

• Led a multi-layered analytics organization, managing a team of 10+ data professionals including data scientists, analysts, and a Data Analytics Manager, driving alignment with business and product priorities
• Led adoption of data-driven decision-making practices, influencing operational and executive-level decisions across the organisation
• Developed and implemented enterprise-wide data-driven frameworks, focusing on improving data quality, governance standards, and organizational data practices
• Designed KPI dashboards and metrics that enhanced strategic and tactical decision-making (SQL, Power BI)
• Collaborated with Product, Data, Growth, and Finance teams to develop data-informed strategies that resulted in measurable business outcomes
• Oversaw Data Warehouse design and development, including data modeling, reporting structures, and technical planning
• Led real-time analytics and monitoring capabilities, enabling proactive response to operational risks and opportunities
• Defined performance indicators and quality metrics that aligned with data policies, standards, and governance frameworks
• Defined team structure, roles, and ways of working, ensuring scalable delivery and cross-functional collaboration
• Evaluated product and project profitability, supporting strategic and tactical planning
• Designed “control tower” analytics solutions to monitor field operations and identify performance improvement opportunities

• Identify and validate new feature ideas through experimentation and data, making clear decisions on priority and roadmap
• Drive delivery of new features with other product owners, engineering and BI teams
• Scope, plan and deliver an actionable product backlog and ship high-quality features weekly in an agile development process
• Determine and drive the MVP (Minimum viable product)
• Write clear user stories and Acceptance Criteria
• Engaged with end users to gather feedback and understand their needs
• Identified customer problems and opportunities for product improvement
• Collaborated with development team to clarify requirements and articulate end user needs
• Together with product team, produce the release plan and get the approval of stakeholders and re- plan when needed
• Develop KPI concepts, dashboards and measure the impact of newly released features with Data- Driven mindset

• Led and developed team of data analysts, delivering analytics solutions that enhanced business and operational outcomes
• Developed advanced analytics use cases such as sales forecasting and customer segmentation, supporting demand planning, campaign optimisation, and customer targeting strategies
• Designed and implemented KPI dashboards and reporting frameworks to support business decision-making (SQL, Power BI)
• Provided actionable insights through advanced analysis, facilitating revenue growth and optimisation of operational performance
• Collaborated with business stakeholders to uncover data-driven opportunities, driving improvements in product, growth, and operational strategies
• Defined reporting standards, data models, and analytical approaches to ensure consistency and scalability
• Contributed to Data Warehouse development by defining business requirements and supporting data modeling efforts
• Monitored key business metrics and supported real-time analysis to identify risks and improvement opportunities
• Played an active role in promoting data-driven culture and enabling teams to leverage data in daily decision-making

• To support executive decisions by presenting the required data in a processed and analysed way for strategic decisions made by top management
• Perform ad hoc financial analyses to facilitate strategic and tactical decision-making for General Manager and CFO
• Conducted investment feasibility studies and analysis for new locations to assess financial viability.
• Performing ROI analysis
• Coordinating the CAPEX and OPEX budget, monthly reporting of CAPEX and OPEX
• Monitored monthly variances between budgeted items and actuals, identifying budget overruns and calculating specific budget ratios.
• Check the budget status of business case and evaluate the financial impacts for the following years.
• Controlling the consistency of budgeted items with the accounting records.
• Supported achievement of business plans and forecasts for CAPEX and OPEX by coordinating with assigned functions, tracking actuals, and controlling expenses.
• Preparing & following up monthly progress payment
• Progress payment Penalty amount Reduction Studies
• Submission of Tender Offer and making Offer-Actual comparisons
• Reporting of all investment, expenditure and pricing activities that are affected by Income, Expense and profitability
• Perform actual vs budget and trend analysis in order to explain variances.
• Identified potential risks and opportunities during financial assessments.
• Develop SAP-BW tool to make periodic evaluations and reporting
• Number of personnel Savings Project analysis and reporting of Senior Managers
• Develop SAP-BW tool to make periodic evaluations and reporting

• Recommended pricing tactics and strategies aimed at maximising volume and margin.
• Ensured pricing aligned with company profitability policies to maintain financial health.
• Prepare pricing quotes and analyses based on our customers’ requirements.
• Develop commercial & financial models
• Developed and optimised B2C and B2B pricing system, overseeing system upgrades and data imports.
• Prepare regional & customer-based Gross margin / Ebitda reports and inform HeadOffice (Global)
• Calculate the variance between the forecast and actuals monthly vs quarterly
• Maintained close contact with airlines and vendors, collected rates, and managed deals by analysing options based on customer requests.
• Be a good partner with sales & operation teams and create a synergy to gain business together.
• Take an active role in the implementation of commercial decisions between Turkey and Head Office
• Supporting the managing of the global projects in Turkey
• Keep commercial & trade area databases up to date via SQL & EDW
• Conducted ad hoc analyses as needed.

• Translate the business / customer expectations and needs into detailed systems/ projects specifications
• Analyse business processes and investigate areas for improvements and simplifications in-line with defined IT strategy and roadmap
• Conduct analysis of large sets of data with limited guidance
• Enhanced Business Intelligence tools by developing and updating features to improve data analysis.
• Created customised reports using SQL to fulfil specific reporting requirements not covered by existing packages.
• Updated and prepared comprehensive project status reports to keep stakeholders informed
• Fostered collaborative relationships with the team and cross-departmental colleagues
• Documented and filed related information according to standards and updated existing documents.
• Coordinated meetings with software companies to address project requirements

• Prepared weekly and monthly sales, cost and profitability reports for 14 Turkcell Communication Centre locations
• Compiled location-based cost and profitability reports for analysis
• Managed budget for accessory product procurement to ensure optimal resource allocation
• Provided technical support for MAYA and TEA Systems