Martin Greweldinger was appointed as Avaloq’s Group CEO in April 2024, after serving as Co-CEO since April 2021. He joined the company as Chief Product Officer in 2019, bringing more than 20 years of experience in the financial industry with international companies such as Boston Consulting Group, Credit Suisse and Commerzbank. Martin Greweldinger holds an MBA from IE Business School and a bachelor’s degree in computer science from the Frankfurt School of Finance and Management.
Chief Financial Officer
Thomas Widmer joined Avaloq in May 2021 as Chief Operating Officer and member of the Group Executive Board. Before joining Avaloq, Thomas Widmer was Partner at Boston Consulting Group where he supported and advised financial institutions on strategy and business model transformation, operating model and process optimization, as well as the development of digital products and new businesses. Thomas Widmer holds a bachelor’s degree in business and economics from the University of Basel and a master’s degree in banking and finance from the University of St. Gallen (HSG).
Pascal Wengi joined Avaloq in 2020, serving initially as Managing Director for North Asia. Pascal Wengi was appointed to the Avaloq Group Executive Board in 2023, with responsibility for a significant portion of our client facing organization. As of 1 April 2026, he serves as Chief Commercial Officer, expanding his remit to cover our global client activities. He has over 15 years of experience in the financial technology industry and is based in Hong Kong.
Hubert Gmünder joined Avaloq in 2016 as Head Group Corporate Legal and was promoted to Group General Counsel in December 2020. Since April 2021, he has been a member of Avaloq’s Group Executive Board. Before joining Avaloq, Hubert Gmünder spent two years researching bankruptcy law, including a one-year stay at Harvard Law School. Prior to that, he worked as an outside counsel in the Corporate/M&A department of law firm Schellenberg Wittmer. Hubert Gmünder holds a master’s degree in law from the University of Lausanne and a PhD from the University of Neuchâtel. He is admitted to the Swiss bar.
Roberto Viganò joined Avaloq in 2007 as Deputy Head of Banking Operations. He has since then held various leadership functions within the organization, including Head of Technical Client Management and Head of Service Management and Chief Banking Operations Officer. Roberto Viganò was appointed Chief Service Operations Officer in 2026 and serves on the Avaloq Group Executive Board. Before Avaloq, he was Head of Back Office and a senior business analyst at Deutsche Bank in Milan and Frankfurt, respectively. Roberto Viganò has a degree in accounting and computer science, and he has completed the LEAP program at INSEAD.
Martin Büchi has been with Avaloq since 2004, holding various leadership functions, including Lead Software Architect, Head Architecture and Chief Architect. In 2026, he was appointed Chief Architecture and Technology Officer, having served on the Avaloq Group Executive Board since 2021. Martin Büchi brings more than 20 years of business experience. He holds a master’s degree in computer engineering from the Swiss Federal Institute of Technology (ETH) as well as a PhD in computer science from Åbo Akademi University in Finland.
Fabio Baj joined Avaloq in 2000, holding senior architecture and solution consulting roles across the organization as part of Avaloq’s technology and client solutions leadership. He became Head of Product and Development in 2025, leading Avaloq’s global product strategy, development and engineering teams. He was appointed to Avaloq’s Group Executive Board in April 2026 as Chief Product and Development Officer. Fabio holds a degree in computer science from the University of Milan, with a specialization in computational logic and artificial intelligence.
Elodie Lhuillier joined Avaloq in 2022 as Head of Human Resources. She was appointed to Avaloq’s Group Executive Board from April 2026, taking on responsibility for the newly created People and Communications function. Before joining Avaloq, Elodie spent more than ten years at Google in Zurich in senior HR roles supporting global teams, following seven years at GE in various HR leadership positions, including the company’s HR Leadership Program. She holds an MBA, a Master in Management and a Master in International Human Resources.
Tobias Holetzko joined Avaloq in 2021 as Head of Strategy and was appointed to the Group Executive Board in April 2026 as Chief Strategy Officer. In this role, he is responsible for shaping Avaloq’s long‑term strategic direction and driving the company’s transformation agenda.
Prior to joining Avaloq, Tobias held various consulting and leadership roles at Boston Consulting Group. He holds a degree in Business Administration from the University of St.Gallen and is a graduate of the University of Chicago Booth School of Business.