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Christian Baumgertel

Freelancer with 13 years of experience in data & business management to support your business.

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With a unique blend of hands-on technical expertise and strategic insight, I help businesses unlock the full value of their data —cost-efficiently, pragmatically, and sustainably.

skills

I support your growth and quests to become AI ready or apply AI solutions to your business with 10 years of experience with Zalando SE, 3 years with asgoodasnew and about 3 years of experience freelancing in data & business management.

Strategic and operational consulting in data, analytics, marketing technology and business process organization. Actionable insights. Proven results.

  • data & ai strategy

    Build scalable data infrastructure growing with you, process optimization, consult on skill development and recruiting for growth. Do you wonder *how to apply AI* or maybe just *automated workflows* to support your tasks? I investigate options for you and define the path to make them work.

  • marketing analytics

    Gain clarity with precise *tracking*, objective *reporting* and optimize invests with attribution modelling, programmatic audience lists and funnel understanding.

  • tech Integration

    Connect systems for seamless data operations and design infrastructure for consistency and reliable results.

  • reporting & insights

    Deliver clear, reliable and consistent reporting for informed decisions.
    For that, I can work into any BI tool, with experience in Power BI, Tableau, Looker Studio (a.o.).

data consulting, demystified

clear answers to your key questions.

  • GDPR compliant & robust tracking & mar-tech setup
  • Process Analysis/Mining and Optimization to improve your efficiency and give you back time to focus on growth
  • Design and implement data infrastructure (DW/BI) for reliable, consistent, and fast reporting—AI-ready
  • Objective marketing controlling and attribution modelling
  • Funnel reporting & Onsite performance reports
  • Optimize audience targeting
  • Prepare investor reporting or assess your data strategy
  • Evaluate and manage AI application

Evaluate current data applications and screen stakeholder landscape, set objectives/deliverables, deliver a focused implementation plan, frequent check-ins to manage your expectations.

  • E-commerce with strong expertise in native HTML shops and Shopify
  • SaaS
  • SMEs who are looking for service businesses—driving data-led growth for

Schedule directly via Microsoft Bookings. Flexible times available.

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portfolio

professional experience

selected client experience

Beyond my permanent roles, I have consulted for a range of clients across e-commerce, SaaS, and consumer goods industries. Projects included:

The client develops and sells beauty products on their shopify shop. I was hired for a data audit. They had lost trust in their onsite/UX and marketing data. After a series of freelancers were hired for on the fly projects around tracking and data analysis, the client was left without handover or documentation. Hence, there was nobody familiar with the setup, which led to natural scepticism about their data stack when discrepancies between tools' data were recognized.

The client is a Germany based manufacturer and seller of vegetarian and vegan dog food, as well as accessories. I support the client in various projects, including:

  • Building onsite reporting and consulting on attribution models
  • Consent management and privacy-compliant tracking solutions
  • Ongoing analytics support on UX, RFM model development and marketing controlling
  • Transfer to server side tracking in Shopify environment
  • Setting up a new tracking and analytics infrastructure
  • Training marketing, controlling and analysts in GA4 and BigQuery
  • "Tools" used: BigQuery, Data Form, Python, Google Analytics 4, Looker Studio, Google Sheets

The client is a Germany based company manufacturing and selling beauty and health care products. I supported the client in data warehousing as well as tracking projects:

  • Developing a Data Warehouse Roadmap, prioritizing pipeline and schema development alongside existing business process reportings
  • Implementing first party server side tracking

The client is a Germany based company selling professional textiles for the health care industry. I supported the client in analytics and tracking projects:

  • Cleaned up and optimized the Google Tag Manager infrastructure
  • Developed onsite/user experience (UX) reporting to start continuous optimization of the webshop performance
  • Consulting in marketing campaign management

The client is a young Germany based university, striving to support digital businesses with top talents. I supported the client in marketing controlling, campaign management, user experience, tracking and further analyzes:

  • Hubspot campaign reporting in alignment with Google Analytics 4
  • Developed onsite/user experience (UX) reporting
  • Setting up Consent Management Platform
  • Provided training in Google Analytics 4, BigQuery
  • Analyzed click chain and created marketing touchpoint reporting
  • Developed a campaign parameter tool, aligning Hubspot with Google Analytics 4 requirements

The client is a young Germany based startup, innovating food culture with the mission to make tofu popular. I support the client in marketing controlling, campaign management, user experience, tracking and further analyzes:

  • I consult and support with expert references to drive shop development and business growth
  • I set up and developed the tracking infrastructure – Wordpress and Shopify
  • Loading, designing and executing data pipeline towards BigQuery for analysis and reporting
  • Developing onsite/user experience (UX) reportings to report on marketing performance
  • Setting up Consent Management Platform
  • Developed a campaign parameter tool to enable marketers for a consistent and documented flagging of campaigns, allowing reporting automatization

The client is a young Germany based startup, manufacturing and selling cereals. I consult the client in marketing controlling, campaign management, user experience, tracking and further analyzes:

  • I took over tracking in transition from Shopware to Shopify – cleaning up, optimizing and ensuring consistent data post transition
  • Developing onsite/user experience (UX) reportings to report on marketing performance
  • Provide training in Python, BigQuery, Google Analytics 4

contact – get in touch

schedule a meeting/ write an email

direct access to consulting support: hello@baumgertel-consulting.com