Thomas Gülünay (Chief Business Officer B2B)
Thomas Gülünay (1979) has been head of the Business unit at mobilezone ag since 2008. In 2003, he founded his own company, tojaco Trading GmbH, which he managed as managing director and partner until it was taken over by mobilezone. After completing his further training as a federally certified sales coordinator, he obtained an Executive Diploma HSG in SME Management in 2012.
Claudio Barandun (Managing Director mobilezone reload)
Claudio Barandun (1978) has been Managing Director of mobilezone reload ag since September 1, 2021. Claudio Barandun brings with him many years of experience in the service sector and was previously Head of the Service Center at Bachmann Mobile Kommunikation AG and Head of Repair at ALSO Switzerland. He has been a member of the Executive Board at Revendo since 2020. Claudio Barandun has 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 since October 2024. Previously, he was Head of Digital Customer Support at Sunrise GmbH, where he drove digitalization to optimize customer processes and reduce costs. He has extensive national and international experience in the digital transformation of business processes. As Head of Digitalization & 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 with mobilezone since 2010 and is responsible for marketing, purchasing & logistics, e-commerce, and customer service. Prior to this, he spent several years as a brand consultant at a communications agency and as a consultant and deputy managing director of a web agency. Gregor Vogt holds a master's degree in media and communication studies from the University of Freiburg and an Executive MBA in general management from the University of St. Gallen.
Daniel Ringger (Director Operator Relations)
Daniel Ringger (1983) has been Director of Operator Relations at mobilezone ag since 2017. From 2007 to 2014, he worked as Product Manager in the Purchasing Department and as Head of Operator Relations for mobilezone. After completing his part-time training as a Swiss Federal Diploma in Business Administration HF, he completed an Executive MBA in General Management at HWZ Zurich.
Stephanie Hunziker (Director Sales B2C)
Stephanie Hunziker (1991) has been Director of Sales B2C at mobilezone since November 2024. She has around 13 years of experience in sales at mobilezone and has worked her way up through all levels, from sales consultant to store manager to regional sales manager. Between 2020 and 2024, she was Regional Sales Manager for the Zurich region. She brings a wealth of experience in practical employee management, talent management, and promoting young talent at various levels. She has completed sales training and various management training courses.