Author • Speaker • Instructor

Dean Lewis

Senior Technical Marketing Engineer

Dean Lewis is a Senior Technical Marketing Engineer at Isovalent - the company behind the open-source cloud native solution Cilium. Dean had a varied background working in the technology fields, from support to operations to architectural design and delivery at IT Solutions Providers based in the UK, before moving to VMware and focusing on cloud management and cloud native, which remains as his primary focus. You can find Dean in the past and present speaking at various Technology User Groups and Industry Conferences, as well as his personal blog.

All Resources

Isovalent Networking for Virtualization

Migrating Virtual Machines to Kubernetes based platforms can be a challenge! Isovalent Networking for Virtualization removes the pain of migration, and this technical walkthrough shows you how to successfully migrate virtual machines from VMware vSphere to Red Hat OpenShift.

  • Dean Lewis, Senior Technical Marketing Engineer

Multi AZ by Default, Local by Design, Cutting Cross Zone Traffic With Cilium

Use Cilium to cut cross zone traffic in multi AZ Kubernetes clusters.

  • Dean Lewis, Senior Technical Marketing Engineer

Tutorial: Deploying Red Hat OpenShift with Cilium

Bringing eBPF-based Networking, Observability, Security to Red Hat OpenShift

  • Dean Lewis, Senior Technical Marketing Engineer

Cilium 1.19, Network Policy enhancements, Multi Pool IPAM goes stable, IPv6 progress, and more!

Deep dive into the Cilium 1.19 OSS release including Network Policy enhancements...

  • Dean Lewis, Senior Technical Marketing Engineer

  • Christian Hernandez, Technical Marketing Engineer

What Is a Load Balancer?

Learn what a load balancer does, how it works, and how to scale services safely. Compare Layer 4 vs Layer 7, plus key algorithms and health checks.

  • Dean Lewis, Senior Technical Marketing Engineer

What's New in Isovalent Enterprise Platform 25.11

Watch this video to explore the significant advancements and unified value delivered with the Isovalent Enterprise Platform 25.11 release. Discover how this unified cadence across Networking for Kubernetes, Load Balancer, Mesh Networking, and Runtime Security simplifies operations, strengthens security, and provides deep observability for modern infrastructure.

  • Dean Lewis, Senior Technical Marketing Engineer

  • Jeremy Colvin, Senior Technical Marketing Engineer

Isovalent Networking for Kubernetes 1.18: New Routing, Policy, and Observability Enhancements

Isovalent Networking for Kubernetes 1.18 introduces native BGP route reflector support, Envoy HA for uninterrupted L7 traffic, smarter policy tooling, enhanced DNS and egress controls, and major Timescape UI and observability upgrades. This release focuses on simpler operations, stronger security, and predictable behaviour at scale.

  • Dean Lewis, Senior Technical Marketing Engineer

Isovalent Enterprise Platform 25.11: Unified Release, Unified Value

Learn what is new in Isovalent Enterprise Platform 25.11, the unified release that brings updated networking, security, and observability across Kubernetes, virtual machines, and cloud environments.

  • Dean Lewis, Senior Technical Marketing Engineer

How BGP Maintenance Mode Keeps Traffic Flowing in Kubernetes || Isovalent Networking for Kubernetes

A short walkthrough of how BGP Maintenance Mode ensures smooth, interruption free routing when draining or updating Kubernetes nodes.

  • Dean Lewis, Senior Technical Marketing Engineer

Managing Cilium Network Policies with Timescape || Isovalent Enterprise Platform

Using Timescape UI, part of Isovalent Enterprise Platform, for network policy management, you can now perform the following actions: View and track network policy create, update and delete per namespace Create...

  • Dean Lewis, Senior Technical Marketing Engineer

Safely Managing Cilium Network Policies in Kubernetes: Testing and Simulation Techniques

Learn how to safely manage and test Cilium network policies in production environments. This step-by-step guide covers audit mode, default-deny toggles, and policy simulations using Isopolicy, helping you validate enforcement changes, prevent outages, and strengthen security across your Kubernetes clusters.

  • Dean Lewis, Senior Technical Marketing Engineer

Safer Cilium Network Policies: How to Simulate and Tune with Isopolicy

Managing Kubernetes network policies can be risky if you can’t see the impact before you deploy them. In this video, Dean Lewis walks you through Isopolicy’s Simulate and Tune features and show how you can preview,...

  • Dean Lewis, Senior Technical Marketing Engineer