OMG’s SPEM – by means of its (semi-)formal notation – allows for a detailed description of development processes and methodologies, but can only be used for a rather coarse description of their behavior. Concepts for a more fine-grained behavior model are considered out of scope of the SPEM standard and have to be provided by other standards like BPDM/BPMN or UML. However, a coarse granularity of the behavior model often impedes a computer-aided enactment of a process model. Therefore, in this paper we present eSPEM, an extension of SPEM, that is based on the UML meta-model and focused on fine-grained behavior and life-cycle modeling and thereby supports automated enactment of development processes. Conventions in this paper Names of meta-classes, packages, and properties are printed in italics, names of model elements in monospaces, and names of a model element’s meta-class are boldface. Whenever we refer to SPEM or UML without explicitly specifying a version, we mean SPEM V...