Alexander Pabst, Vice President Market Segment Wireless Communications

In his role as Vice President of the Market Segment Wireless Communications, Alexander Pabst is responsible for driving the strategic direction of the wireless technology product range at Rohde & Schwarz. Most recently Alexander took on additional responsibility as Vice President 6G Technology for Rohde & Schwarz USA, Inc.

Alexander has more than 25 years of experience in the wireless industry. After spending some years in sales, he joined Rohde & Schwarz to work in various product management and business development positions. Before his current role he was Vice President of the systems group within the test & measurement division, launching a full range of 5G over-the-air test solutions.

Alexander represents global test & measurement vendors in the board of the Global Certification Forum, GCF. He holds a degree in physics from the University of Bonn.

Dr. Alex Jinsung Choi, a South Korean luminary in the global

mobile telecommunications sector, boasts over three decades of industry

experience. Currently, Dr. Choi is working at SoftBank Corp. and

continues to champion innovation at the intersection of AI, mobile

technology, and network architecture. He is also currently the Chair of

the AI-RAN Alliance. He is dedicated to advancing technology frontiers,

crafting strategies that enhance both business and consumer experiences,

and guiding the industry towards a more connected, intelligent, and open

future.

Thibault de Assi is Senior Vice President and heads the Digital Connectivity and Power division at Siemens Digital Industries in Nuremberg. The business unit develops and produces equipment for industrial communication networks, industrial identification systems, and power supplies. Thibault began his career at Siemens in 2014 as an Associate in the CFO Excellence Program in Munich. In 2016, Thibault moved to the Factory Automation Business Unit and became Global Head of Digitalization and Automation in Digital Industries. He led international teams that developed automation software products and solutions. From 2020, Thibault was Global Head of Industrial Computing in DI – Factory Automation in Nuremberg. In this position, he realigned the portfolio and focused investments on growth areas.

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Daniel Leimbach (45) is Chairman of the Management Board of Ericsson Germany since September 2024 and responsible for the company’s business in Germany. He has over 21 years of experience in telecommunications industry. Initially, he spent five years at Alcatel, including working in sales with Deutsche Telekom. After his MBA, he joined Ericsson in 2007. Since then, he has held various management positions as Vice President, worked within the Ericsson Group in Asia and was responsible for the business with Telefónica and Vodafone in Germany. Leimbach holds an MBA from the University of Oxford, a Diploma in Business Administration (BA) and a bachelor’s degree from the Open University of London. He is married, has two children and lives with his family in Düsseldorf.

Dr. Kumar N. Sivarajan is the Co-founder and Chief Technology Officer of Tejas Networks. He is an IEEE Fellow, Fellow of the Indian National Academy of Engineering and the Indian National Science Academy and has nearly three decades of experience in the field of telecommunications. Dr. Kumar received the prestigious IEEE W.R.G. Baker Prize Paper Award in 1997, which is presented for the most outstanding paper reporting original work in the transactions, journals, and magazines of the Societies or in the proceedings of the IEEE.

He has been ranked among the top-2% most-cited scientists in the world in the field of networking and telecommunications by a Stanford University study and has co-authored the best-selling textbook titled “Optical Networks: A Practical Perspective”, which is currently in its third edition. Dr. Kumar was the founding Chairman of India’s national telecom standardization body (TSDSI) and is currently the Vice Chairman of the Bharat 6G Alliance (B6GA). Dr. Kumar obtained a B. Tech degree in Electrical Engineering (Electronics) from IIT, Madras and MS and PhD degrees from the California Institute of Technology (Caltech).

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Colin is currently chairman of the board of the 6G Smart Networks and Services Industry Association (6G-IA), the vice-chairman of the board of the European Smart Networks and Services Joint undertaking (SNS-JU) and vice-chairman of the European Telecommunications Standards Institute (ETSI) board. He has detailed knowledge and experience of the telecommunications industry having worked directly or indirectly with many of the major players over a 30-year period.