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I am Birce Sari, a Business Intelligence & Data Analytics Leader focused on turning organizational chaos into clarity. With 9+ years building enterprise BI ecosystems across healthcare, e-commerce, and multi-stakeholder environments, I design data infrastructures that leaders actually use, grounded in governance, clear narratives, and stakeholder needs. My philosophy: Analytics is about trust, not dashboards. I bridge the gap between the boardroom and data engineering, lead large cross-functional initiatives, and cut C-level ad-hoc requests by creating proactive intelligence and stable governance. I am bilingual in English and German, and I thrive on translating analytics into strategic, measurable decisions that staff and executives alike will actually trust.…I am Birce Sari, a Business Intelligence & Data Analytics Leader focused on turning organizational chaos into clarity. With 9+ years building enterprise BI ecosystems across healthcare, e-commerce, and multi-stakeholder environments, I design data infrastructures that leaders actually use, grounded in governance, clear narratives, and stakeholder needs. My philosophy: Analytics is about trust, not dashboards. I bridge the gap between the boardroom and data engineering, lead large cross-functional initiatives, and cut C-level ad-hoc requests by creating proactive intelligence and stable governance. I am bilingual in English and German, and I thrive on translating analytics into strategic, measurable decisions that staff and executives alike will actually trust.

Birce SARI

Data Scientist, Data Analyst, Data Visualizer, +2

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I am Birce Sari, a Business Intelligence & Data Analytics Leader focused on turning organizational chaos into clarity. With 9+ years building enterprise BI ecosystems across healthcare, e-commerce, and multi-stakeholder environments, I design data infrastructures that leaders actually use, grounded in governance, clear narratives, and stakeholder needs. My philosophy: Analytics is about trust, not dashboards. I bridge the gap between the boardroom and data engineering, lead large cross-functional initiatives, and cut C-level ad-hoc requests by creating proactive intelligence and stable governance. I am bilingual in English and German, and I thrive on translating analytics into strategic, measurable decisions that staff and executives alike will actually trust.…I am Birce Sari, a Business Intelligence & Data Analytics Leader focused on turning organizational chaos into clarity. With 9+ years building enterprise BI ecosystems across healthcare, e-commerce, and multi-stakeholder environments, I design data infrastructures that leaders actually use, grounded in governance, clear narratives, and stakeholder needs. My philosophy: Analytics is about trust, not dashboards. I bridge the gap between the boardroom and data engineering, lead large cross-functional initiatives, and cut C-level ad-hoc requests by creating proactive intelligence and stable governance. I am bilingual in English and German, and I thrive on translating analytics into strategic, measurable decisions that staff and executives alike will actually trust.

Available to hire

I am Birce Sari, a Business Intelligence & Data Analytics Leader focused on turning organizational chaos into clarity. With 9+ years building enterprise BI ecosystems across healthcare, e-commerce, and multi-stakeholder environments, I design data infrastructures that leaders actually use, grounded in governance, clear narratives, and stakeholder needs.
My philosophy: Analytics is about trust, not dashboards. I bridge the gap between the boardroom and data engineering, lead large cross-functional initiatives, and cut C-level ad-hoc requests by creating proactive intelligence and stable governance. I am bilingual in English and German, and I thrive on translating analytics into strategic, measurable decisions that staff and executives alike will actually trust.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

German

Advanced

Work Experience

Strategic Data Consultant & BI Specialist at Freelancer

January 1, 2025 - Present

Designed automated Power BI and Tableau dashboards, reducing C-level ad-hoc requests by 30%. Built end-to-end analytics workflows from data intake and transformation to dashboard deployment, ensuring reliability and stakeholder trust. Delivered international workshops on data storytelling, visualization design, and experimental analytics, improving analytics literacy by 40%. Led requirements gathering with cross-functional teams, translating clinical, operational, and business needs into KPI frameworks and scalable reporting structures. Established data quality standards, created data dictionaries and governance guidelines, and optimized DAX/flows to improve performance and consistency. Managed end-to-end project delivery through timelines, phase-gates, risk mitigation, and stakeholder communication to ensure measurable outcomes.

Student Council at Berlin School of Business & Innovation (BSBI)

January 1, 2023 - December 31, 2025

Acted as the strategic bridge between students and faculty, synthesizing multi-stakeholder feedback into actionable improvements. Coordinated academic and community initiatives that strengthened collaboration, engagement, and operational clarity.

Senior Business and Data Analyst at Zorlu Holding

January 1, 2013 - December 31, 2015

Directed enterprise data warehouse modernization, removing 30% of manual workload and accelerating analytics delivery by 20%. Architected a scalable BI ecosystem enabling cross-country operations to standardize reporting. Developed 50+ executive dashboards with interactive models that saved more than 10 hours per month per department. Drove alignment between IT, finance, and operations, ensuring analytics outputs directly supported corporate strategy.

Business Intelligence Specialist & Data Analyst at Zorlu Holding, Istanbul

January 1, 2013 - December 31, 2015

Built the enterprise Power BI & Tableau KPI and dashboard framework, standardizing insights on customer behavior, revenue drivers, and cross-functional performance for C-suite decision-making. Introduced a shared data dictionary and governance model across all participating units, reducing metric discrepancies by 40% and improving trust in analytics outputs. Streamlined CRM-data pipelines using SQL and ETL automation, reducing report preparation time from days to hours.

SME ERP Solutions Consultant at Freelancer

January 1, 2014 - December 31, 2015

Led SAP B1 selection and implementation for SMEs, improving operational efficiency. Delivered change-management support to accelerate adoption.