Stefano Ruffini (Ericsson Research), is one of the Ericsson experts working on the mobile backhaul aspects and network synchronization solutions. He has been working on synchronization aspects for more than 20 years. He is currently actively contributing to ITU-T SG15 Q13 (serving as rapporteur) and IEEE1588 as well as to other relevant synchronization standardization bodies and forums. Stefano is also a member of the ITSF and WSTS.