Data Analytics & AI Readiness Audit
Best starting point for many projects: audit the reporting landscape, data infrastructure, governance, tooling, AI usage and organizational readiness.
Freelance · Munich · Remote-ready
Turning Data Into Decisions That Drive Business.
Data & AI Analytics Consultant for modern reporting, SQL-based analytics workflows, BI automation and pragmatic AI-assisted insights.
10+ years Analytics & BI
Freelancer since 2023
SQL · Tableau · Python · Cloud · AI
Clean data logic → trusted reporting → faster decisions
BI dashboards, KPI frameworks and AI-assisted workflows built on reliable SQL foundations.
Selected project environments and brands
STIHLManufacturing
Deutsche TelekomTelecommunications
MEDIAN KlinikenHealthcare
MINIAutomotive
VolkswagenAutomotive
Mercedes-BenzAutomotive
InfineonTechnology
MediaMarktSaturnRetail / E-Commerce
BMW GroupAutomotive
AllianzInsurance
The Walt Disney CompanyMedia & Entertainment
L’OréalConsumer Goods
Services
From reporting chaos to scalable analytics systems.
Hands-on BI implementation, SQL logic and data workflows — with AI used pragmatically where it accelerates delivery and improves maintainability.
Dashboards & Reports
Automate manual Excel and reporting work through fully automated data pipelines, interactive dashboards and actionable reports — across Tableau, Power BI, Looker Studio or web-hosted analytics solutions.
Data Governance & Foundation
Structure data flows, qualified reporting views, reporting models and governance in a way that improves trust, reusability and enables future BI, automation and AI use cases.
BI & Executive Reporting
Decision-ready dashboards, KPI frameworks and stakeholder reporting with Tableau, Power BI and Looker Studio.
Core stack
Tools I use to turn data into decisions.
Strongest focus on SQL, Tableau and analytics workflows — extended by cloud data platforms, Python and AI-assisted development.
SQLTableauPythonPower BILooker StudioBigQuerySnowflakeGCPAWSGitHub CopilotChatGPT / GPTsVS Code
Profile & career path
Analytics background with business understanding, implementation depth and a personal touch.
This combines a real profile photo with a cleaner career path. Human enough to feel personal, but still professional.
Roman Barski
Data & AI Analytics Consultant focused on turning messy data landscapes into trusted reporting setups, clearer decision support and pragmatic AI-enabled workflows.
↗Bridges business questions and hands-on implementation
✓Comfortable with stakeholders, SQL, BI and modern AI tooling
∞Focus on systems, structure, clarity and long-term usability
Background & experience
Hands-on analytics background across reporting, BI, data infrastructure and stakeholder-facing consulting roles.
Since 2023
Freelance · Data & AI Analytics Consultant
Freelance consulting across analytics, BI, SQL, stakeholder reporting, automation and practical AI-enabled workflows.
2021 – 2023
Manager Data Analytics · rpc / BMW
Team leadership, consulting delivery and analytics strategy in automotive, insurance and tech-related environments.
2019 – 2021
Senior Data Analyst · MediaMarktSaturn Technology
Complex BigQuery/SQL analysis, automated reporting, dashboards and digital analytics initiatives at scale.
2018 – 2019
Data Analyst · OMMAX
BI products, data concepts, API and DWH thinking, customer journey analysis and digital growth projects.
2016 – 2018
Data Analyst · Catbird Seat
End-to-end reporting solutions and automated dashboards for C-level and digital marketing use cases.
2013 – 2016
Marketing & Controlling · Voycer
Complex Excel analysis, reporting, project controlling and market research support — the early foundation of the analytics path.
Need a senior data expert for BI, reporting or AI-assisted analytics workflows?
Let’s discuss how to create cleaner reporting, better data logic and faster analytics delivery for your team.