Thomas Gülünay (Chief Business Officer B2B)

Thomas Gülünay (1979) has headed the unit Business since 2008. In 2003 he founded his own company, tojaco Trading GmbH, which he headed as CEO and co-owner. After earning a Swiss Federal Diploma in Sales Coordination, he obtained an Executive Diploma in SME Management from the University of St. Gallen in 2012.

Claudio Barandun (Managing Director mobilezone reload)

Claudio Barandun (Swiss, born 1978) has joined the management Switzerland as Managing Director of the subsidiary mobiletouch. Claudio Barandun has many years of experience in the service sector and was previously Head of Service Center at Bachmann Mobile Kommunikation AG and Head of Repair at ALSO Switzerland. Since 2020, he has been a member of the Executive Board at Revendo. He holds a degree in business administration from TEKO. 

Pascal Boll (Director MVNO & Investor Relations)

Pascal Boll (1993) has been head of the MVNO business with the TalkTalk and Digital Republic brands since the beginning of 2025. His responsibilities also include investor relations. Before joining mobilezone, Pascal Boll worked for six years as a senior equity analyst in the consumer goods and retail sector at US broker Stifel. Pascal Boll holds an MSc in Quantitative Finance from the Swiss Federal Institute of Technology (ETH) in Zurich and is a Chartered Financial Analyst (CFA).

Mark Schwarz (Chief Digital & Information Officer)

Mark Schwarz (1983) has been Head of IT at mobilezone Switzerland since October 2024. He was previously Head of Digital Customer Support at Sunrise GmbH, where he drove digitalisation to optimise customer processes and cut costs. He has extensive national and international experience in the digital transformation of business processes. As Head Digitalisation & Business Excellence, he was responsible for the digital strategy for Noida International Airport in India, focusing on operational efficiency and new digital revenue streams. He holds an MBA from ZHAW and a Professional Certificate in Digital Transformation from MIT.

Gregor Vogt (Chief Marketing & Product Officer)

Gregor Vogt (1979) has been Director Marketing at the Swiss companies since 2010. His area of responsibility also includes customer service as well as shopfitting and project management. After getting his degree in communications at the University of Fribourg, he worked as a brand consultant at Hotz & Hotz from 2005 to 2008. He then worked as an advisor and deputy CEO at Screen Concept before changing to mobilezone. Gregor Vogt obtained an Executive MBA from the University of St. Gallen in 2014.

Daniel Ringger (Director Operator Relations)

Daniel Ringger (Swiss, born 1983) has been Director Operator Relations at mobilezone ag since 2017. From 2007 to 2014, he had various roles at mobilezone, including Product Manager in the Purchasing Department and Head of Operator Relations. After completing his extra-occupational training for a Swiss Federal Diploma in Business Management (HF), he earned an Executive MBA in General Management at Zurich University of Applied Sciences.

Stephanie Hunziker (Director Sales B2C)

Stephanie Hunziker (1991) has been working for mobilzone Switzerland as Director Sales B2C since November 2024. She has around 13 years of experience in the sales organisation at mobilezone Switzerland and has worked at all levels from sales consultant to store manager to regional sales manager. Between 2020 and 2024, she was regional sales manager for the Zurich area. She has extensive experience in the practical management of employees, talent management and the promotion of young talents at various levels. She has completed sales training and various management training courses.