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Henrik GieslerHG

Henrik Giesler

Data Consultant – Data Analytics & BI Reporting

€750/day
Düsseldorf, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Henrik

Experienced Data & BI Consultant with in-depth project experience in the
Telecommunications, Construction, FMCG, and Media & Sales industries. Specialized in the
conception, implementation, and validation of data-driven solutions – from ETL
processes and reporting to automation. Strong interface competence
between IT and business departments with a focus on efficiency, transparency, and business
value.
  • German

    Native or bilingual

  • English

    Fluent

Can work on-site
Düsseldorf (up to 50km)

Experience

  • Fondatec Consult GmbH
    Data Consultant – Data Analytics & Business Intelligence
    DIGITAL AND IT
    May 2025 - Today (1 year and 1 month)
    Düsseldorf, Germany
    Data Consultant

    Data-driven IT Project Management

    Project Management: Planning, controlling, and implementing data projects according to best practices (e.g., Scrum)
    Requirements & Stakeholder Management: Gathering, prioritizing, and documenting requirements with the involvement of relevant stakeholders
    Holistic Consulting Strategy: End-to-end support – from analysis to sustainable optimization of data-based solutions
    Quality & Change Management: Ensuring data quality and sustainably anchoring new ways of working through transparent communication


    Business Intelligence

    Interactive Reporting with Power BI: Developing modern dashboards for data-based decision support
    Dynamic Reporting: Conception of KPI-based analyses – individually tailored to business units
    Structured Data Processes: Building standardized, scalable processes for efficient data processing and utilization
    KPI Definition & Visualization: Developing relevant key performance indicators to improve decision-making processes in interactive dashboards
    Business Intelligence Scrum Data Visualization ETL Data Analytics
  • TVK Consult GmbH
    Manager & Senior Consultant – Data Analytics & Business Intelligence
    DIGITAL AND IT
    November 2023 - April 2025 (1 year and 5 months)
    Meerbusch, Germany
    • Conception, development, and implementation of interactive BI reporting with Microsoft Power BI and MicroStrategy based on heterogeneous data sources (including Oracle DB, PowerApps, Excel, CSV) for clients from the telecommunications, construction, children's outfitting, and FMCG industries.
    • Conception and maintenance of a DWH as a basis for reporting & self-service BI.
    • Planning and management of data-driven use cases and processes in close cooperation with management and business departments – using agile project methods.
    • Introduction of Jira as a central control tool for project coordination in the 5G rollout of a telecommunications provider.
    • Conducting training and data enablement workshops for business departments.
    Microsoft Power BI Data Analysis and Reporting Data Analytics Business Process Management Atlassian JIRA
  • L'Oréal Germany GmbH
    Data Analyst - Digital, CRM & Media
    FASHION AND COSMETICS
    June 2022 - October 2023 (1 year and 4 months)
    Düsseldorf, Germany
    • Development of consolidated reporting for online and offline media channels with the connection of over 10 heterogeneous data sources.
    • Continuous further development and maintenance of existing data models and Power BI reports.
    • Consulting internal and external stakeholders (DACH region) on the preparation and use of data analyses.
    • Conducting training and onboarding as part of Data Enablement workshops.
    • Responsibility for ETL processes and Power BI reporting based on over 30 media and sales data sources – implemented with Python and Google BigQuery.
    • Implementation of data-driven projects in an agile project environment (Scrum).
    Scrum ETL Microsoft Power BI Google Cloud Platform (GCP) Data Analytics

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Education

  • Analytics
    L'Oréal Germany
    Analytics
  • IT Clerk (Apprenticeship)
    Henkel AG & Co. KGaA
    2017
    Informatikkaufmann (Ausbildung)

Skill set

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