Stephan Klevenz is software architect at SAP and has more than 10 years of experience in large scale software solutions in the area of enterprise business applications and platforms. His working focus is on open standards and their use in a business environment. He started at Apache as a committer to the Apache Chemistry project. At ApacheCon 2011 in Vancouver he gave a presentation about the usage of Apache Chemistry in context of enterprise business applications. He is now a committer to the Apache Olingo project that is hosted by the Apache Incubator currently.