Ad hoc announcements


24 May 2022

u-blox announces CEO transition effective 1 January 2023

Ad hoc announcement pursuant to article 53 LR

Thomas Seiler to step down as CEO on 31 December 2022 after more than 20 years of leading the company; he will remain member of the Board of Directors and as such provide advice leveraging his extensive experience. Stephan Zizala will assume the role of CEO on 1 January 2023.

Thalwil, Switzerland – 24 May 2022 – u-blox Holding AG (SIX:UBXN) (“u-blox” or “the Company”), a global leader in wireless and positioning technologies, today announced that its Board of Directors has appointed Stephan Zizala as the Company’s new CEO, effective 1 January 2023. Mr. Zizala will join u-blox on 1 October 2022 and will take over the CEO responsibilities from Thomas Seiler, u-blox’s current CEO, who will assist with a smooth transition until his retirement on 31 December 2022, following more than 20 years at the helm of u-blox.

Following his retirement, Mr. Seiler will continue to serve as board member of u-blox, providing advice to the company. He will chair a newly formed strategy committee.
Mr. Zizala is an industry expert with more than 20 years of management and engineering experience focused on microcontroller and power semiconductors as well as global customer experience in the industrial and automotive sectors.

Mr. Zizala joins u-blox from Infineon Technologies AG, one of the world's leading providers of semi-conductor solutions. From 2009 to 2014, Mr. Zizala managed the "Industrial and Multimarket Microcontroller" product area and then took over the management of the "Automotive High Power" business unit, which is responsible for power semiconductors for electric vehicles, among other things. Under Mr. Zizala's leadership, this business unit realized significant growth and gained a leading market position. Mr. Zizala studied and received his doctorate in electrical engineering and information technology at the technical university in Munich.

During his 20 years as CEO of u-blox, Mr. Seiler has transformed the Company into a leading global provider of wireless communications technology for positioning and connectivity. Under his leadership, u-blox developed into a global organization with subsidiaries in 32 countries and 1,300 employees worldwide. With a distinctive solutions’ approach for industrial and automotive customers, a global market presence, innovative research and development and an active acquisition strategy, u-blox today is strongly anchored in all continents and serves more than 12,000 customers worldwide.

"u-blox has become a leading provider of positioning and connectivity technology for the automotive and industrial markets. Given the strong position with all our stakeholders, I consider the timing ideal to now initiate the succession at the top of u-blox. We are pleased to have Stephan, a highly accomplished executive and a proven leader with an extensive experience in semiconductor technology in both the industrial and automotive markets, joining our team. We are grateful for the outstanding leadership Thomas has provided to u-blox over the years. His initiatives and dedicated leadership are the basis of u blox's success and culture. We are grateful that he will continue to support u-blox' strategic development as a member of the Board of Directors and ensure continuity of the transition at the top," said André Müller, Chairman of the Board of u blox.


About u‑blox

u‑blox (SIX:UBXN) is a global technology leader in positioning and wireless communication in automotive, industrial, and consumer markets. Their smart and reliable solutions, services and products let people, vehicles, and machines determine their precise position and communicate wirelessly over cellular and short range networks. With a broad portfolio of chips, modules, and secure data services and connectivity, u‑blox is uniquely positioned to empower its customers to develop innovative and reliable solutions for the Internet of Things, quickly and cost‑effectively. With headquarters in Thalwil, Switzerland, the company is globally present with offices in Europe, Asia, and the USA. (www.u‑ Find us on Facebook, LinkedIn, Twitter @ublox and YouTube


u‑blox investor relations contacts:
Switzerland and Europe:
Doris Rudischhauser, c/o Dynamics Group AG
Phone: +41 79 410 81 88
E mail:

Serena Liegey, c/o The Equity Group Inc.
Phone: +1 (212) 836-9630
E mail:

Lena Cati, c/o The Equity Group Inc.
Phone: +1 (212) 836-9611
E mail:

u‑blox AG
Zürcherstrasse 68
8800 Thalwil
Phone +41 44 722 74 44
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