Jyrki Penttinen has worked in mobile telecommunications since 1994. He has experience in research and operational activities for both radio and core network domains, including planning, optimization, measurements, system architectures, and services. After 10 years with mobile network operators and another 10 years with Nokia, he worked for Giesecke+Devrient Mobile Security team from 2014-2018 and joined GSMA in December 2018.