Eltjo R. Poort is a Distinguished Solution Architect at CGI in The Netherlands. In his 30-year career in the software industry, he has fulfilled many engineering and project management roles. In the 1990s, he oversaw the implementation of the first SMS text messaging systems in the United States. In the last decade, he published work on improving architecting practices, including his PhD thesis in 2012. Eltjo is best known for his work on Risk- and Cost-Driven Architecture, a set of principles and practices for agile solution architecting. Visit his solution architecture blog at http://eltjopoort.nl. In his spare time, Eltjo plays the violin in Symfonieorkest Nijmegen.