Sean Collins is a contributor to OpenStack Neutron, previously led the Neutron IPv6 working group, and also co-organizes the OpenStack Philadelphia user group. Sean began using cloud technologies in order design scientific computation clusters, and later began developing new OpenStack features in the networking space, including support for IPv6 networking, network quality of service, and firewall automation. Sean is also a co-author of the OpenStack Architecture Design Guide. Sean currently works at Mirantis