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WTISD

SG21 - Representatives and other roles
(Study Period 2025-2028)

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ENTITY CONTACT
APT ASTAP

Asia-Pacific Telecommunity Standardization Program
Hideki Yamamoto
Liaison officer

Oki Electric Industry Co., Ltd. (OKI)

1-16-8 Chuou Warabi-city, Saitama 335-8510
Japan

Tel: +81 48 420 7012
Fax: +81 48 420 7157
Email: yamamoto436[at]oki.com
Hideki Yamamoto
Representative from APT ASTAP to SG21

Oki Electric Industry Co., Ltd. (OKI)

1-16-8 Chuou Warabi-city, Saitama 335-8510
Japan

Tel: +81 48 420 7012
Fax: +81 48 420 7157
Email: yamamoto436[at]oki.com
APT AWG

APT Wireless Group (AWG)
Vacant


CableLabs / SCTE

Kei Kawamura
Liaison officer

KDDI Corporation

3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102 8460
Japan

Tel: +81 80 5066 9075
Email: ki-kawamura[at]kddi.com
Curtis knittle
Representative from Cablelabs

Email: C.Knittle[at]cablelabs.com
CASC

Conformity Assessment Steering Committee
Francois Fischer
Liaison officer

Huawei Technologies Düsseldorf GmbH

Germany

Email: francois.fischer.ext[at]huawei.com
CEN TC434

CEN/TC 434 "Electronic Invoicing"
Andrea Caccia
Chair

Studio Caccia

Italy

Email: itu[at]kworks.it
Fleur Legrandvallet
Secretariat

Email: Fleur.Legrandvallet[at]nen.nl
Ulrike Linde
Representative from CEN/TC434

Email: ulrike.linde[at]colinde.de
CEN/CENELEC JTC19

Blockchain and distributed ledger technologies
Andrea Caccia
Representative from CEN/CENELEC/JTC 19

Studio Caccia

Italy

Email: itu[at]kworks.it
Carla Sirocchi
Secretariat

UNINFO

Via Sanfront, 1/C
0138 TORINO

Italy

Email: sirocchi[at]uninfo.it
CENELEC TC108X

Safety of electronic equipment within the fields of Audio/Video, Information Technology and Communication Technology
Thomas Lund
Liaison officer from TC108X to SG21

CENELEC

Genelec Oy
Olvitie 5, FI-74100 Iisalmi
Finland

Tel: +358 17 83881
Email: thomas[at]lund.one
CITS

Collaboration on ITS Communication Standards
Hideki Yamamoto
Liaison officer

Oki Electric Industry Co., Ltd. (OKI)

1-16-8 Chuou Warabi-city, Saitama 335-8510
Japan

Tel: +81 48 420 7012
Fax: +81 48 420 7157
Email: yamamoto436[at]oki.com
CITS EG-ComAD

Expert Group on Communications Technology for Automated Driving
Hongki Cha
Liaison officer

ETRI

218 Gajeong-ro, Yuseong-gu, Daejeon, 34129 ,
Korea (Rep. of)

Tel: +82 10 3764 8476
Fax: +82 42 860 5404
Email: cha8476[at]etri.re.kr
DAISY

DAISY Consortium
Masahito Kawamori
Liaison officer

University of Tokyo



Japan

Tel: +81-466-49-1170
Fax: +81-466-49-1171
Email: kawamorim[at]gmail.com
Olaf Mittelstaedt
Representative from DAISY to SG21

DAISY Consortium

Switzerland

Email: daisymatters[at]gmail.com
DICOM

Digital Imaging and Communications in Medicine
Jonathan Pfaff
Liaison officer

Email: jonathan.pfaff[at]hhi.faunhofer.de
ETSI TC CABLE

ETSI deliverables relating to broadband cable and television networks using hybrid fiber coaxial technology
TaeKyoon Kim
Liaison officer

ETRI

Broadcasting and Telecommunications Convergence Research Lab. Broadcasting System Research Dept./Digital CATV System Research Team
138 Gajeongno, Yuseong-gu, Daejeon
305-700
Korea (Rep. of)

Tel: +82 42 860 6917
Fax: +82 42 860 6465
Email: tkkim[at]etri.re.kr
ILO

International Labour Organization
Masahito Kawamori
Liaison officer

University of Tokyo



Japan

Tel: +81-466-49-1170
Fax: +81-466-49-1171
Email: kawamorim[at]gmail.com
INATBA

International Association for Trusted Blockchain Applications
Ismael Arribas
Liaison officer

INATBA
Email: kunfud[at]gmail.com
ISO TC 204 WG14

Driving automation and active safety systems
Hongki Cha
Liaison officer

ETRI

218 Gajeong-ro, Yuseong-gu, Daejeon, 34129 ,
Korea (Rep. of)

Tel: +82 10 3764 8476
Fax: +82 42 860 5404
Email: cha8476[at]etri.re.kr
ISO TC 22

Road vehicles
Vacant


ISO/IEC JTC 1 / SC 29

Coding of Audio, Picture, Multimedia and Hypermedia Information
Gary J. Sullivan
Liaison officer (on multimedia coding matters)

Dolby Laboratories

United States

Email: gary.sullivan[at]dolby.com
Gary J. Sullivan
Liaison officer from SC29 to SG21 (on multimedia coding matters)

Dolby Laboratories

United States

Email: gary.sullivan[at]dolby.com
ISO/IEC JTC 1 / SC 29 / JPEG (WG1)

Coding of Still Pictures / Joint Picture Experts Group
Gary J. Sullivan
Liaison officer

Dolby Laboratories

United States

Email: gary.sullivan[at]dolby.com
Gary J. Sullivan
Liaison officer from WG1 to SG21

Dolby Laboratories

United States

Email: gary.sullivan[at]dolby.com
Touradj Ebrahimi
Liaison officer from WG1 to SG21

EPFL

Multimedia Signal Processing Group - MMSPG
Swiss Federal Institute of Technology, Lausanne
EPFL/STI/IEL/GR-EB, ELD238, Station 11
CH-1015 Lausanne
Switzerland
Switzerland

Tel: +41 21 6932606
Fax: +41 21 693 6820
Email: touradj.ebrahimi[at]epfl.ch
ISO/IEC JTC 1 / SC 29 / WG 2

MPEG Technical requirements
Igor Curcio
Liaison officer from WG2 to SG21

Nokia
Email: igor.curcio[at]nokia.com
ISO/IEC JTC 1 / SC 29 / WG 3

MPEG Systems
Youngkwon Lim
Liaison officer from WG3 to SG21

Email: young.L[at]samsung.com
ISO/IEC JTC 1 / SC 29 / WG 5

MPEG joint video experts team with ITU-T SG21
Jens-Rainer Ohm
Liaison officer from WG5 to SG21

Aachen University - RWTH

Institut für Nachrichtentechnik
RWTH Aachen University
52056 Aachen
Germany
Germany

Tel: +49 (241) 80 2 7671
Fax: +49 (241) 80 22 196
Email: ohm[at]ient.rwth-aachen.de
ISO/IEC JTC 1 / SC 29 / WG 6

MPEG Audio coding
Schuyler Quackenbush
Liaison officer from WG6 to SG21

Email: srq[at]audioresearchlabs.com
ISO/IEC JTC 1 / SC 6 / WG7

Telecommunications and information exchange between systems - WG 7: Network, transport and future network
Shin-Gak Kang
Liaison officer

ETRI

161 Kajung-Dong
Yusong-Gu, Taejon, 305-350
Korea (Rep. of)

Tel: +82 42 860 6117
Fax: +82 42 861 5404
Email: sgkang[at]etri.re.kr
Shin-Gak Kang
Representative from SC6 / WG7 to SG21

ETRI

161 Kajung-Dong
Yusong-Gu, Taejon, 305-350
Korea (Rep. of)

Tel: +82 42 860 6117
Fax: +82 42 861 5404
Email: sgkang[at]etri.re.kr
ISO/IEC JTC 1 / SC24

Computer graphics, image processing and environmental data representation
Shin-Gak Kang
Liaison officer

ETRI

161 Kajung-Dong
Yusong-Gu, Taejon, 305-350
Korea (Rep. of)

Tel: +82 42 860 6117
Fax: +82 42 861 5404
Email: sgkang[at]etri.re.kr
ISO/IEC JTC 1 / SC35

User interfaces
David Fourney
Liaison officer (on accessibility)

G3ict

Canada

Email: david.fourney[at]usask.ca
ISO/TC159/SC4

Ergonomics of human-system interaction
Miran Choi
Liaison officer (on human factors)

ETRI

Korea (Rep. of)

Tel: +8242 860 6197
Fax: +82 42 860 4887
Email: miranc[at]etri.re.kr
David Fourney
Liaison officer (on accessibility)

G3ict

Canada

Email: david.fourney[at]usask.ca
ITU IRG-AVA

Intersector Rapporteur Group Audiovisual Media Accessibility
Masahito Kawamori
Co-chair

University of Tokyo



Japan

Tel: +81-466-49-1170
Fax: +81-466-49-1171
Email: kawamorim[at]gmail.com
ITU-R WP6B

Working Party 6B (WP 6B) - Broadcast service assembly and access
Avinash Agarwal
Liaison officer

Ministry of Communications

403, Sanchar Bhawan - 20 Ashoka Road
New Delhi
India

Email: avinash.70[at]gov.in
ITU-R WP6C

Working Party 6C (WP 6C) - Programme production and quality assessment
Avinash Agarwal
Liaison officer

Ministry of Communications

403, Sanchar Bhawan - 20 Ashoka Road
New Delhi
India

Email: avinash.70[at]gov.in
ITU-T JCA-AHF

Joint Coordination Activity on Accessibility and Human Factors
Avinash Agarwal
Liaison officer

Ministry of Communications

403, Sanchar Bhawan - 20 Ashoka Road
New Delhi
India

Email: avinash.70[at]gov.in
ITU-T JCA-ML

Joint Coordination Activity on Machine Learning
Yuntao Wang
Liaison officer

CAICT

China

Tel: +86-18611547086
Email: wangyuntao[at]caict.ac.cn
ITU-T SCV & ITU-R CCV

Standardization Committee for Vocabulary (SCV) & Coordination Committee for Vocabulary (CCV)
Evgeny Tonkich
Vocabulary Rapporteur for multimedia related Recommendations

Radio R&D Institute (NIIR)

Russian Federation

Email: et[at]niir.ru
Ming Zhao
Vocabulary Rapporteur for Integrated Broadband Cable related Recommendations

Academy of Broadcasting Science, NRTA

China

Tel: +8618601165136
Email: zhaoming[at]abs.ac.cn
ITU-T SG12

Performance, QoS and QoE
Francois Fischer
Liaison officer

Huawei Technologies Düsseldorf GmbH

Germany

Email: francois.fischer.ext[at]huawei.com
ITU-T SG15 on Home networking issues

ITU-T SG15 on Home networking
Kei Kawamura
Liaison officer

KDDI Corporation

3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102 8460
Japan

Tel: +81 80 5066 9075
Email: ki-kawamura[at]kddi.com
ITU-T SG17

Security (on ITS communication security)
Han-Seung Koo
Liaison officer (on Content Protection, CAS and DRM)

ETRI

Radio & Satellite Research Division
218 Gajeongno, Yuseong-gu
Daejeon 305-700
Korea (Rep. of)

Korea (Rep. of)

Tel: +82 42 860 1625
Email: koohs[at]etri.re.kr
Hideki Yamamoto
Liaison officer (on ITS security)

Oki Electric Industry Co., Ltd. (OKI)

1-16-8 Chuou Warabi-city, Saitama 335-8510
Japan

Tel: +81 48 420 7012
Fax: +81 48 420 7157
Email: yamamoto436[at]oki.com
Sang-Woo Lee
Representative from SG17 to SG21 (on ITS security)

ETRI

Korea (Rep. of)

Tel: +82-42-860-1097
Email: ttomlee[at]etri.re.kr
ITU-T SG20 and JCA-IoT and SC&C

internet of things and smart cities & communities
Muath AlRumayh
Liaison rapporteur from SG20 to SG21 (on metaverse related matters)

Communications, Space & Technology Commission (CST)

Alnakheel Quarter - Prince Turki Bin Abdulaziz Road, Riyadh
Saudi Arabia

Tel: +966 11 461 9660
Email: mrumayh[at]cst.gov.sa
Vincent Affleck
Liaison officer (on metaverse issues)

Department for Science, Innovation and Technology

DSIT
London
United Kingdom

Tel: + 44 (0) 7960 057754
Email: vincentaffleck2[at]hotmail.com
Jungha Hong
Liaison officer

ETRI

Korea (Rep. of)

Email: jhong[at]etri.re.kr
Hideki Yamamoto
Liaison officer (on ITS and smart cities)

Oki Electric Industry Co., Ltd. (OKI)

1-16-8 Chuou Warabi-city, Saitama 335-8510
Japan

Tel: +81 48 420 7012
Fax: +81 48 420 7157
Email: yamamoto436[at]oki.com
ITU-T TSAG

Telecommunication Standardization Advisory Group
Noah Luo
Liaison officer

Huawei Technologies

China

Tel: +1 437 662 6688
Email: noahluozz[at]gmail.com
JCA-IdM

JCA on Identity Management
Vincent Affleck
Liaison officer

Department for Science, Innovation and Technology

DSIT
London
United Kingdom

Tel: + 44 (0) 7960 057754
Email: vincentaffleck2[at]hotmail.com
JCA-IMT2020

Joint Coordination Activity on IMT2020 (JCA-IMT2020)
Hideki Yamamoto
Liaison officer

Oki Electric Industry Co., Ltd. (OKI)

1-16-8 Chuou Warabi-city, Saitama 335-8510
Japan

Tel: +81 48 420 7012
Fax: +81 48 420 7157
Email: yamamoto436[at]oki.com
JIC

Joint Initiative Council for Global Health Informatics Standardization
Masahito Kawamori
Liaison officer

University of Tokyo



Japan

Tel: +81-466-49-1170
Fax: +81-466-49-1171
Email: kawamorim[at]gmail.com
Public Relations

Public Relations/Promotion/ Marketing
Noah Luo
Liaison officer

Huawei Technologies

China

Tel: +1 437 662 6688
Email: noahluozz[at]gmail.com
SAE International ORAD Committee

On-Road Automated Driving (ORAD) Committee
Hongki Cha
Liaison officer

ETRI

218 Gajeong-ro, Yuseong-gu, Daejeon, 34129 ,
Korea (Rep. of)

Tel: +82 10 3764 8476
Fax: +82 42 860 5404
Email: cha8476[at]etri.re.kr
WHO

World Health Organization
Masahito Kawamori
Liaison officer

University of Tokyo



Japan

Tel: +81-466-49-1170
Fax: +81-466-49-1171
Email: kawamorim[at]gmail.com
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