Episode #009 - MAY 2026 - Federated EA and EA Operating Models with Gareth Lewis

Episode #009 - MAY 2026 - Federated EA and EA Operating Models with Gareth Lewis

From The Enterprise Architecture Experience by Jon Hill and Hassan Abba

May 8, 2026 · 51 min · Season 1 · Episode 9

About this episode

The episode discusses the benefits and challenges of managing federated Enterprise Architecture with insights from Gareth Lewis of AstraZeneca.

On this episode of the Enterprise Architecture Experience Podcast, we get into the benefits and challenges of running a large EA team. We focus on managing federated EA, being part of an organization that doesn't have all its Enterprise Architecture in one place, how to manage ever-changing operating models and discuss methods of working effectively in a large organisation. Our discussion is with Gareth Lewis, Head of Architecture for Enterprise Infrastructure at AstraZeneca, a global Pharmaceutical company. Gareth gives us insight into his 20+ years in AstraZeneca, and the processes that they use and how they have developed over time.. Podcast Overview Introduction - 00:00 - 01:33 Interview with Gareth Lewis - 01:40 - 46:29 Recap of key points - Jon and Hassan talk about some of the interesting points from the interview - 46:34 - 51:29 You can follow Gareth on LinkedIn: https://www.linkedin.com/in/gareth-lewis-1876918/ Listen to other episodes of the EA Experience Podcast by searching for “Enterprise Architecture Experience” wherever you get your podcasts Join our LinkedIn group for early notification of new episodes and some slide materials to summarise and accompany the…

People in this episode

Hosts: Jon Hill, Hassan Abba

Guest: Gareth Lewis

Topics covered

  • federated EA
  • EA operating models
  • large EA teams
  • organizational management
  • pharmaceutical industry

Keywords

  • Enterprise Architecture
  • federated EA
  • operating models
  • AstraZeneca
  • large organizations
  • management challenges
  • architecture processes

Mentioned in this episode

Organizations: AstraZeneca

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