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Our People


Jean-Pierre Bienaimé, Chairman - Permanent Member

Jean-Pierre Bienaimé has been Chairman of the UMTS Forum since January 2003. Joining France Telecom (FT) in 1979, his responsibilities included financial management and planning at national and regional level. He has also served as Advisor to the General Director of Moroccan Telecommunications, Director of Marketing and Product Development for international business networks & services at FT, Director of Business Development and Subsidiaries at France Cables & Radio, Chief Executive Officer of Nexus International, and Director of International Development at France Telecom Mobiles. As Group Technical Support Director at Orange, he provided networks and IT support to the business units and mobile affiliates worldwide, and contributed to re-branding and franchising programmes.

Thomas Sidenbladh, Vice Chairman, Permanent Member

Thomas Sidenbladh has been working since 1985 for Ericsson in a number of capacities, the last 14 years within Government Affairs.
In 2002 he became Vice President and Head of the Ericsson lobbying office in Brussels and stayed there until 2006. He was one of the Members signing the original UMTS Forum Articles of Association in 1997. Before Ericsson he was Deputy Undersecretary of State at the Ministry of Industry in Sweden, responsible for technical research and development policy and space industry policy.


Steering Group

Guillaume LeBrun, Chairman Spectrum Aspects Group - Permanent member

Guillaume Lebrun works at Qualcomm Inc. in the Government Affairs Europe, Middle East and North Africa department. In this capacity, he contributes in pushing forward Qualcomm's spectrum and regulatory policy agenda in Europe and MENA across various government entities and industry organisations, including ITU, CEPT, Digital Europe and UMTS Forum. Prior to joining Qualcomm, Guillaume worked in France Telecom in the corporate Spectrum Office and in the R&D division. He is currently chairman of the UMTS Forum Spectrum Aspect Group. He is a graduate from the Telecom Paris and holds a PhD in Telecommunication from Victoria University (Melbourne, Australia). He was a pioneer of research on MIMO-OFDM technology, holds several patents and authored reference papers on the topic.

Cengiz Evci, Chairman, Manufacturers' Group, Permanent Member

Dr. Cengiz Evci is the Chief Frequency Officer at Alcatel-Lucent’s Carrier Products/Wireless Technologies/CTO Office since 1998. He was involved in UMTS Forum since 1996, right from the beginning and as well as in the UMTS Task Force for the creation of the Forum. He was the initiator of the 3G/UMTS activities within Alcatel in the context of RACE-1043 project. He has been an Alcatel-Lucent Technical Academy member since 2001, and presently, he is Alcatel-Lucent’s lead representative in several international groups such as ITU–R, the UMTS Forum and ECC activities. He has been a senior member of IEEE since 1989 and also around 100 publications at various international journals and conference proceedings.

Peter Zidar, Chairman Operators’ Group, Permanent Member

Peter Zidar, Chairman Operators? Group, Permanent MemberPeter Zidar is Head of the Standardization Office at Mobitel (the leading mobile operator in Slovenia). With 14 years’ experience in Telecommunications and Information Technology within Mobitel, he is the main contact person for international organizations such as ETSI (and 3GPP), OMA, the UMTS Forum and ETNO FM Group.

Additionally, his duties include membership in the Slovenian ICT Technology Network and Slovenian eMobility platform.

Werner Wiedermann, Vice Chairman Operators’ Group, Permanent Member

werner_wiederman.jpg Werner Wiedermann is in charge of Technology and Innovation Management including co-ordination of research programmes within Mobilkom Austria, the leading mobile service provider in Austria. He has long experience in the field of mobile communication, starting his career in 1986 as an engineer for radio networks. Later on he was responsible for systems engineering and mobile service development, and since 2002 in charge of Mobilkom Austria’s innovation and research activities. He is also a lecturer in telecommunication and a regular speaker at international conferences.”

Colin Chandler, Permanent Member

Colin Chandler is Director, Business Development at Qualcomm Europe, based in London. With more than 27 years experience in the mobile communications industry, Colin has been active in both the operator and manufacturer communities. Since joining Qualcomm Europe in 1998, Colin has been involved in the UMTS/WCDMA standardisation process through his participation in ETSI and 3GPP. More recently he has represented Qualcomm in a number of industry bodies including the UMTS Forum. He is also part of the Qualcomm Business Development team for Central and Eastern Europe.