Nathan is a Software Engineering Manager at Red Hat, where he manages the development of the identity and security related components of the Red Hat Enterprise Linux OpenStack Platform, Red Hat Directory Server, and Red Hat Certificate System products.  He is an active member of the OpenStack Security Group, and regularly contributes to the Keystone project.  He has been a developer on the 389 Directory Server project since it's inception, and has a long history of working with LDAP and X.509 certificate management.