Peter is a Senior Consultant for Infrastructure and Identity Management at ExpertCircle GmbH in Germany. After his apprenticeship in the early 90’s with first contact of the early Microsoft products he earned the MCSE and MCT certification in 1999 with some certifications from other vendors and worked as a Trainer and Consultant in Germany.
Since 2006 his work gets more focused on Identity Management with MIIS/ILM/FIM and he has designed and implemented several Identity Management solution for costumers over the time. 
In addition he has trained many people in Microsoft Infrastructure and Identity Management receiving excellent reviews.
Peter maintains the JustIDM blog and supports the community in the MSDN/Technet forum with qualified answers and wiki articles.