Tammo van Lessen is a Principal Consultant with innoQ. He is an elected member of the Apache Software Foundation and PMC chair of Apache ODE. He co-authored a German book on WS-BPEL and was a member of OMG’s BPMN 2.0 Finalization Task Force. He published several academic and non-academic articles on Web services & business process execution and has a weakness for rightsized software architectures, DevOps and modern monitoring tooling. He is a regular speaker on national and international conferences.