Harri Holma, Fellow, Nokia Bell Labs, Finland. Harri Holma has edited seven books about 3G and 4G technologies since 2001. Dr Holma is working with Nokia Bell Labs with main interest in radio systems and mobile technologies.

Antti Toskala, Head of 3GPP Radio Standardization, Nokia Bell Labs, Finland. Antti Toskala's group was responsible for the standardization of WCDMA physical layer, High Speed Downlink Packet Access (HSDPA) and for the start of uplink packet data evolution (HSUPA). As part of the 2010 LTE World Summit LTE Awards, he received the "Award for Individual Contribution for LTE Development" recognizing his contribution to both LTE standardization and LTE knowledge spreading in the industry.

Takehiro Nakamura, VP and Managing Director of the 5G Laboratories in NTT DOCOMO, Inc., Japan. Mr Nakamura joined NTT Laboratories in 1990. He has been engaged in the standardization activities for the WCDMA, HSPA, LTE/LTE-Advanced and 5G at ARIB in Japan since 1997. He has been the leader of 2020 and Beyond Ad Hoc (20B AH) in ARIB since October 2013.