Christopher has been living experience architecture, information architecture and interaction design since 2003, after graduating with a Masters of Science (Honors) in Psychology from the University of Canterbury (NZ). He followed this with postgraduate certification in cognitive ergonomics and human factors from the University of Queensland (AUS).

Christopher specializes in interaction design, IA, usability analysis and experience architecture. He has deep domain experience in rich internet applications, real-time systems, mobile applications and process design. He has applied his skills in a wide variety of domains including: end-to-end transactional systems for the telecommunications and financial industries, cutting-edge medical interfaces, and leading mobile applications.

He is an Axure advocate and conducted some of the first Axure training in Australia.  

He has consulted with some of the largest and most innovative companies in Oceania, including: Westpac, Macquarie, Citibank, Optus, Telstra and News Digital Media.

He is also a founder and director of Demibooks Inc. , a global software development company that specializes in software and services for mobile applications and interactive books.

He does blog-like things at christopherroosen.com and can be found in the usual places like LinkedIn (christopherroosen) and Twitter (@chrisroosen).