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Stefan Timmerman | Colliers | Amsterdam

Stefan Timmerman

Head of Data and Analytics

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Professional Summary

My team works on projects to make Colliers data driven. We work on: 

  • Automated valuation models for residential properties 
  • REMS Reporting 
  • Inspection app for Valuation of residential properties 
  • CRM Development and maintainance (Microsoft Dynamics 365) 
  • Market Intelligence dashboarding (in  coorporation with the Research Department) 
  • Business Intellgence
  • Client Intelligence
  • Process improvements 
  • Valuations calculation models and automatic reporting 

Technology we use:

  • TimeXtender data warehouse software
  • Microsoft Dynamics
  • Exacts cs (financial reporting) 
  • REMS 
  • Excel 
  • Microsoft PowerApps




  • Improve the performance of the AVM  
  • Build data warehouse to connect all the different data sources in TimeXtender
  • Create the datamodels and visuals for all the Dutch Reporting
  • Create the datamodels for market data dashboarding and automated market stories. 
  • Bringing the Overall Business information for the Netherlands to the next level 


Free University Amsterdam, Netherands 

Coursera Data Science tracks 

Memberships & Involvements

Interested in data driven business



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