Radientum’s CEO, Jukka Sjöstedt has been leading low-and-mid range Lumia product engine development for over 15 phones models during his 20-year career. He has strong background in RF-development and testing, including experience in complex manufacturing projects. Currently, he leads an RF and Antenna expert team that specializes in wearable, medical and IoT devices. Jukka supervises the design development, process validation and production planning for small and large projects.