Brian BerenbachBrian Berenbach is the technical manager of the requirements engineering competency center at Siemens Corporate Research and an ACM distinguished engineer.Daniel J. Paulish is a distinguished member of technical staf at Siemens Corporate Research, responsible for the Siemens Software Initiative in the Americas.Juergen Kazmeier is vice president of the Software Engineering Services Division of Siemens IT Solutions and Services, headquartered in Vienna, Austria.Arnold Rudorfer heads the Requirements Engineering (RE) Global Technology Field with Centers of Competence in Princeton (NJ, USA), Munich and Erlangen (Europe), as well as Beijing (China). Read More Read Less