diff --git a/README.md b/README.md
index e4f001b..a2a2a3b 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ For other licensing options please consult [Prof. Antonello Monti](mailto:amonti
 
 [![EONERC ACS Logo](doc/pictures/eonerc_logo.png)](http://www.acs.eonerc.rwth-aachen.de)
 
- - Stefanos Mavros <stefanos.mavros@rwth-aachen.de>
+ - Sonja Happ <sonja.happ@eonerc.rwth-aachen.de>
 
 [Institute for Automation of Complex Power Systems (ACS)](http://www.acs.eonerc.rwth-aachen.de)  
 [EON Energy Research Center (EONERC)](http://www.eonerc.rwth-aachen.de)