Ioannis Canellos

Critic
DISC Type : C

Head of Software Engineering at CYBER RANGES

Greece

Overview

Ioannis is the Head of Software Engineering at CYBER RANGES, leveraging nearly two decades of experience in Java, Kubernetes, and open-source development. A member of the Apache Software Foundation, he previously made significant contributions at Red Hat, pioneering tools that bridge the gap between Java applications and cloud-native platforms. People describe him as an "Open Source enthusiast. "

Outside of his formal roles, Ioannis is deeply passionate about the practical application of technology, from experimenting with CI/CD pipelines on weekends to building his own cybersecurity environment with NixOS. He dedicates personal time to learning new frameworks like ReactJS and enjoys sharing his extensive knowledge by blogging and speaking at tech conferences.

He is the creator of several industry-impacting open-source projects, including Spring Cloud Kubernetes and the Fabric8 Kubernetes client.

Personality Overview

ROI Driven

Precise

Objective Thinker

They prefer to analyze logically and value objective facts over emotions.  They like to take decisions independently and do not seek others' support often. It is very likely that they will negotiate pricing or other important terms.

Topics They Care About

Open Source Advocacy
A long-time member of the Apache Software Foundation, he has contributed to and served as a committer on numerous major projects like Apache Camel and Karaf.
Java on Kubernetes
He is a key figure in this space, having created foundational tools like Spring Cloud Kubernetes and the Fabric8 client to improve Java's integration with cloud-native environments.
Cybersecurity Platforms
His current role focuses on building resilient and scalable cyber training platforms. He also shares personal projects, such as creating a Kali Linux-like environment using NixOS.

Media Appearances

Ioannis has no verified media appearances

Work History

11-2025
Head of Software Engineering at CYBER RANGES
4-2022 - 11-2025
Senior Principal Software Engineer at Red Hat
9-2012 - 4-2022
Principal Software Engineer at Red Hat
9-2011 - 9-2012
Software Architect at FuseSource
8-2010
Member at The Apache Software Foundation

Education

1998 - 2003
Bachelor from University of Ioannina

More Information

Social Presence :

Prographics :

Exp : 20 Location : Greece Job Level : Mid-senior Designation : Head of Software Engineering at CYBER RANGES
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Insights For Selling To Ioannis

During A Call Or A Meeting

DO's

  • Leverage facts and figures wherever possible; use percentages, numbers etc.
  • Don’t forget to mention how you compare to competition on both features and pricing
  • Be ready for penetrating questions and critical examination of your pitch

DONT's

  • Don’t rush them till they have clearly gotten all the necessary information
  • Don't give superficial answers, they are easily rattled by them
  • Make extra effort to not seem pushy or confrontational

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Ioannis is

  • Proof of ROI, low pricing and objective proof points are the important factors for them.
  • Will you ever get a clear answer from Ioannis

  • They do not mind saying no if they believe that it is the right decision.

Insights For Deal Planning

    How fast (or slow) will Ioannis move?

  • Their decision-making is neither very fast nor very slow, they are somewhere in between.
  • Can Ioannis take some risk or not?

  • They can take risks if their analysis shows that it would be worth it.

You And Ioannis

Personality Compatibility


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