Zurich, 7 January 2026 – The Zurich-based private bank Maerki Baumann & Co. AG has appointed Konstantinos Ntefeloudis as its Chief Investment Officer (CIO) with effect from 1 January 2026. He will therefore assume overall responsibility for the bank’s investment policy. His predecessor Gérard Piasko, who had served as CIO since 2018, will remain with Maerki Baumann as Chief Economist.With this appointment, Maerki Baumann is ensuring continuity in its investment business. Konstantinos Ntefeloudis has been with the bank since 2018 and possesses more than 20 years of banking experience as well as in-depth expertise across all asset classes. As Head Investment Management and Chairman of the Investment Committee, he was already responsible for defining the investment strategy and managing Maerki Baumann’s modular investment solution. In particular, he has played a key role in shaping the private bank’s “defensive growth approach”. As Deputy Head Private Banking, Konstantinos Ntefeloudis continuously drives the further development of our services, for example in the fields of private markets, venture capital and digital assets.Gérard Piasko, who had served as Maerki Baumann’s CIO since 2018, will now focus on macroeconomic analyses and assessments in his role as Chief Economist and thus continue to contribute to guiding the bank’s investment policy. His decades of expertise in identifying market-relevant developments at an early stage will remain an important element of Maerki Baumann’s investment competence. The private bank places great emphasis on a sound understanding of complex economic interrelationships and their impact on financial market developments.Dr Stephan A. Zwahlen, CEO of Maerki Baumann, comments: “Especially in times of geopolitical tensions and heightened market uncertainty, reliable market expertise and a consistent investment policy are crucial. With the appointment of Konstantinos Ntefeloudis, we are placing our trust in a proven expert who is thoroughly familiar with our private bank and investment philosophy. We are delighted that Gérard Piasko will continue to support us as Chief Economist with a focus on macroeconomic issues”.Maerki Baumann & Co. AG – Private BankThe Zurich-based private bank Maerki Baumann & Co. AG was founded in 1932. It focuses on its core competencies in the areas of investment advice and asset management as well as in serving independent asset managers. Steeped in tradition, the private bank owned by the Zurich-based Syz family sets itself apart through its independence, security and transparency. With its innovative modular investment approach and comprehensive crypto services, the private bank underlines its claim of combining the tried-and-tested with the new. The family company has around 100 employees and more than CHF 12 billion in client assets under management, primarily from Switzerland and Germany.Further information can be found at http://www.maerki-baumann.ch/en and http://www.archip.ch/en.EnquiriesMaerki Baumann & Co. AG Media relations +41 44 286 25 25 media@maerki-baumann.ch Download press release