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About John


+17 years experience

With more than 15 years' experience, Practice Leader John Madden leads Ovum’s Services team focusing on digital transformation, application services, global systems integrators (SIs) and outsourcers.
He also consults with leading IT service providers as they develop new services, refine existing products and devise competitive strategies. John helps vendors as they develop marketing messages, and product, technology and services strategies. 

His other areas of expertise include: IT services partner ecosystems; cloud services among global IT services providers; global IT consulting and outsourcing trends; application services trends (Oracle, SAP,  

Events John is speaking at

15 May 2017



Ovum IoT Futures 2017

  • John Madden
  • Aneil Rakity
  • Nicole Engelbert
  • Ronan De Renesse

Analyst Articles

Articles by John

Tweets from John