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Data-driven analyst with notable experience transforming complex marketing datasets into clear, actionable insights for cross-functional teams. Skilled in building and maintaining dynamic KPI dashboards (Power BI, Looker Studio), using various techniques for data extraction and transformation, and setting up end-to-end tracking systems to ensure consistent, reliable reporting across marketing, CRM, sales and product teams. With a dual academic background in engineering and economics, I bring a balance of technical precision and business acumen—experienced in analyzing DAU, acquisition, retention, and monetization funnels to guide performance optimization. Proficient in R, with some experience in Python (working knowledge), and actively working on my skills in SQL to scale data and reporting capabilities further, with an ongoing desire to improve tool knowledge.…Data-driven analyst with notable experience transforming complex marketing datasets into clear, actionable insights for cross-functional teams. Skilled in building and maintaining dynamic KPI dashboards (Power BI, Looker Studio), using various techniques for data extraction and transformation, and setting up end-to-end tracking systems to ensure consistent, reliable reporting across marketing, CRM, sales and product teams. With a dual academic background in engineering and economics, I bring a balance of technical precision and business acumen—experienced in analyzing DAU, acquisition, retention, and monetization funnels to guide performance optimization. Proficient in R, with some experience in Python (working knowledge), and actively working on my skills in SQL to scale data and reporting capabilities further, with an ongoing desire to improve tool knowledge.

Mustafa Baysal

Data Analyst, Data Scientist, Marketing Analyst, +2

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Data-driven analyst with notable experience transforming complex marketing datasets into clear, actionable insights for cross-functional teams. Skilled in building and maintaining dynamic KPI dashboards (Power BI, Looker Studio), using various techniques for data extraction and transformation, and setting up end-to-end tracking systems to ensure consistent, reliable reporting across marketing, CRM, sales and product teams. With a dual academic background in engineering and economics, I bring a balance of technical precision and business acumen—experienced in analyzing DAU, acquisition, retention, and monetization funnels to guide performance optimization. Proficient in R, with some experience in Python (working knowledge), and actively working on my skills in SQL to scale data and reporting capabilities further, with an ongoing desire to improve tool knowledge.…Data-driven analyst with notable experience transforming complex marketing datasets into clear, actionable insights for cross-functional teams. Skilled in building and maintaining dynamic KPI dashboards (Power BI, Looker Studio), using various techniques for data extraction and transformation, and setting up end-to-end tracking systems to ensure consistent, reliable reporting across marketing, CRM, sales and product teams. With a dual academic background in engineering and economics, I bring a balance of technical precision and business acumen—experienced in analyzing DAU, acquisition, retention, and monetization funnels to guide performance optimization. Proficient in R, with some experience in Python (working knowledge), and actively working on my skills in SQL to scale data and reporting capabilities further, with an ongoing desire to improve tool knowledge.

Available to hire

Data-driven analyst with notable experience transforming complex marketing datasets into clear, actionable insights for cross-functional teams. Skilled in building and maintaining dynamic KPI dashboards (Power BI, Looker Studio), using various techniques for data extraction and transformation, and setting up end-to-end tracking systems to ensure consistent, reliable reporting across marketing, CRM, sales and product teams. With a dual academic background in engineering and economics, I bring a balance of technical precision and business acumen—experienced in analyzing DAU, acquisition, retention, and monetization funnels to guide performance optimization. Proficient in R, with some experience in Python (working knowledge), and actively working on my skills in SQL to scale data and reporting capabilities further, with an ongoing desire to improve tool knowledge.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

German

Advanced

English

Fluent

Turkish

Fluent

Work Experience

Working Student - Marketing Analytics at ING-DiBa

May 20, 2024 - May 20, 2024

Delivered regular ad-hoc analyses and marketing performance reports (e.g., spend efficiency, ROI). Supported CRM communications using Salesforce data; improved offline attribution modeling by creating unique tracking fields and optimizing the attribution workflow, cutting manual effort by 60% through automation (Excel first then Python). Built a comprehensive customer insights report covering portfolio analytics, sociodemographics, market trends, and channel performance; widely used by marketing stakeholders to identify growth opportunities and key segments.

Data Marketing Working Student at Lendico GmbH

July 20, 2022 - July 20, 2022

Created dashboards, recurring marketing reports, benchmarking analyses (e.g., loan calculator), and Hotjar insights to support data-driven decision making across the marketing team. Designed and implemented a fully automated budget forecast tool for paid online channels, integrating data via APIs from ad platforms and Looker BI into Google Sheets, ensuring full-funnel visibility and accurate budget planning. Built and maintained funnel performance dashboards in Google Data Studio, providing channel owners with real-time visibility into key metrics; continuously improved base design to meet stakeholder needs.

Performance Marketing Specialist at BBVA Payment Systems

January 20, 2021 - January 20, 2021

Optimized digital ads spend and lead quality in real time across channels (programmatic, Meta, Google, and third-party platforms). Tested creatives and targeting strategies based on CPC, CPA, and conversion metrics using Google Analytics and platform insights. Conducted A/B tests (Hotjar for UX, Meta Ads for creative performance) to improve lead generation and user experience. Led a 360-degree product launch—from marketing strategy and budget planning to website development, SEO, and GTM implementation—achieving 60% audience reach within the first two months; continuously optimized lead ad creatives to reduce CPA and increase awareness.