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Hi! I’m John

My name is John den Haan (‘JdH’) and I can help you leverage data to improve marketing measurement and ROI.

I am a certified and proven expert with more than a decade of hands-on experience with industry-leading platforms and technologies. I have experience working with a diverse mix of stakeholders, including C-suite, marketing managers, developers and analysts.

Are you ready to make your data work for your business?

Core Skillset

  • Digital Analytics
  • Tag Management
  • Data Visualisation
  • Data Management & Integration
  • Search Engine Optimisation (SEO)

Tools & Tech

  • Google Analytics + Tag Manager
  • Tableau, PowerBI, Data Studio
  • Python, SQL, SciKit-Learn

Years continuous industry experience working with various businesses large and small.

All services delivered using  remote cloud and video conferencing tech. Zero-contact and COVID-safe.


Cheaper than boutique agencies. Don’t overpay for the junior or intern assigned to your account.

Clear, direct communication. No empty sales language. I say what you need to hear, when you need to hear it.

Testimonials and Quotes

Qudos Bank

“It’s been great working with you and I appreciate all your support and expertise so far. Looking forward to all that’s still to come”

– Olivia Franetic, Digital Marketing manager

Let’s Chat!

Want to improve your marketing ROI? Have a measurement problem that needs solving? Tag Manager making you pull your hair out? Or are you just looking to bounce some thoughts and ideas off an independent digital and data expert? Fill out this short form and I’ll be in touch shortly to set up a video conference.

Case Studies