Colin McNamara is the Director of DevOps for Dimension Data Americas. He manages DevOps and agile development organizations. The document discusses Dimension Data's work in areas like software development, systems integration, network design, toolchain development for deploying CI systems to cloud platforms, contributions to open source projects like OpenStack, OpenDaylight, Open vSwitch, and use of practices like agile software development. It also introduces Colin McNamara and describes his experience in areas such as SDN development, agile process consulting, and DevOps consulting. The document advocates for establishing a 72 hour stand down period where no coding is done from 11PM to 7AM to change the culture around midnight hacking and cutovers.