Stephen S. Mwanje is a Senior Research Engineer in the Network Automation Research Department at Nokia Bell Labs. He currently leads the team's research activities on the application of machine learning techniques towards the management of Multi-layer, multi-vendor, multi-band and Ultra-Dense networks. He received his Ph.D. (Dr. Ing.) degree with summa cum laude in the Integrated Communications Research Group at the Ilmenau University of Technology, in Germany. His thesis on multi agent coordination of cognitive self-organizing network functions proposed the first approach towards the operation of multiple cognitive functions in cellular networks. He holds a BSc. Electrical Engineering from Makerere University in Kampala, Uganda and MS Electrical Engineering from the University of Rochester in Rochester, NY. He has more than 8 years of Experience in mobile network operations, where he managed various projects on GSM/GPRS network planning, deployment, and optimization; microwave radio engineering and spectrum/interference management as well as fiber optic network planning, deployment and operations.