Sébastien Han is a Cloud Architect working at eNovance. His job is mainly focused on OpenStack and Ceph, since he has been working with them for almost 3 years. He devotes a third of his time on research and development around Open Cloud Platform and Open Storage. Apart from this, he writes several articles about Linux services, really focused on performance, high-availability, open source Cloud platform (Openstack) and open source storage (Ceph).