David Cittadini was an important technologist in the New Zealand business market in the 1990s. He was involved in creating and leading a number of important technology developments within New Zealand, such as Object-oriented programming and Distributed object computing. He was a member of a number of New Zealand technology-related standard groups (including Standards New Zealand) and was involved in a number of international standard bodies, such as the Object Management Group, and was an energetic proponent of leading-edge approaches and technologies in New Zealand.