In a nutshell


I am currently working with the GRNET as Head of Systems Development. I have been the team leader, responsible for the design and deployment of the first OpenStack public cloud offering in GRNET.

Key Certifications

  • Certified Kubernetes Administrator
  • Certified OpenStack Administrator
  • RedHat Certified System Engineer
  • Vmware Certified Professional
  • Certified Information Security Auditor
  • Certified ITIL professional
  • Certified Lead Auditor for ISO 9000, 20000-1, ISO 27001.

  • Academic

  • MSc in Strategic Management (University of Athens)
  • MSc in Networking and Data Communications (Kingston University)
  • MEng in Informational and Communication Systems (Aegean University)

  • Core Skills

    Cloud Architect

    Over a decade of hands on involvement with virtualization and cloud infrastructure with VMware, KVM, Xen, OpenNebula. Currently working on OpenStack, OpenShift, Kubernetes and cloud infrastructure automation tools exploiting MaaS, Juju and Ansible.


    Two decades of professional experience in Unix and Linux system. Design, installation, configuration and operation of full stacks including Apache, Nginx, MySQL, PostgreSQL, Varnish, Haproxy, Corosync, Pacemaker, Nagios, Grafana, Ansible, Puppet


    Experienced team leader of various technical teams of engineers up to 20 people. Several years of experience as CTO for a multimillion organization responsible for strategy, budget, contracts and operations.


    CEPH is the current trend. For many years working with GlusterFS and traditional NFS shares. Quite extensive experience with commercial SANs (IBM, Dell, Fujitsu, Hitachi) and linux options as LVM, MDadm and DRBD

    Single Sign On

    Vast experience with Single Sign On through SAML protocol. Design, installation, configuration and operation of Identity Provider Servers and Service Provider Applications with Shibboleth.

    Security and Network

    While never been primary professional necessity, always deeply involved with the design or administration of both commercial and open source firewalls (Cisco ASA, Checkpoint, Pfsense, IPtables)as well as datacenter networking.


    I have an expert personality evaluation by ManPowerGroup, accord to the DISC method which is a method of identifying predictable actions and personality traits within human behavior.

    According to DISC my personal style is “Peacemaker SC” and my

    Dominance (decisive, authoritative, direct)
    Influence (talkative, persuasive, interactive)
    Steadiness (desire for security and peace, ability to be a team player)
    Conscientiousness (desire for structure, organization, details)




    Native Speaker


    Proficiency in English by Cambridge University, level C2


    Dele Intermedio by Instituto de Cervantes, level B2



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