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3GPP Officials per TSG/WG
3GPP Officials for group: 3GPP RAN 4 ("R4")
The "elected" date is the date of the most recent election; the official may have served one or more previous terms of office. In the case of the Secretary, it is the date of appointment to this TSG or WG.
| Position | Name | Organization | 3GPP OP | Fixed phone | Mobile phone | (re-)elected / appointed | Remarks |
|---|---|---|---|---|---|---|---|
| Chairman | ZHOU, Xutao | Samsung Electronics Co., Ltd | TTA | +86-10-84439777 | +86-18601163270 | 2017-12-01 | re-elected at R4#85 (2nd term) |
| ViceChairman | UMEDA, Hiromasa | NTT DOCOMO INC. | ARIB | + 81 46 840 3190 | 2017-08-21 | re-elected at RAN4#84 | |
| ViceChairman | XIZENG, Dai | HuaWei Technologies Co., Ltd | CCSA | +861082829046 | +8613661233076 | 2017-08-21 | re-elected at RAN4#84 |
| SECRETARY | OH, Kyoungseok | 3GPP Support | +33 49294 4231 | +33 607 59 08 55 | 2017-01-01 |
Click here for history of officials.