Relationship Managers Basel

Josef U. Bollag

CEO / Partner

Josef Bollag worked for ten years as an asset manager at Credit Suisse, during which time he was also posted abroad in London and Paris. He then spent almost 20 years operating as an independent asset manager in Basel. In 2005 he joined Tareno Ltd as a partner. In 2007 he was appointed lead fund
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Before joining Tareno Ltd in June 2014, Niklaus Burren was an Executive Director at UBS in Basel. His 18 years of experience – of which the last 14 were spent working for the Scandinavia Desk – make him ideally suited to providing our discerning clients with customised solutions. His extensive network of contacts in Sweden
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Jossi Hess

Partner

Jossi Hess has worked in banking for over 40 years. He gained his knowledge and skills at a number of different banks. After training as a forex and stock exchange dealer, he decided to specialise in asset management more than 30 years ago. Before joining Tareno Ltd as a partner in 2004, he co-owned an
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Markus Müller is a certified financial and investment expert (AZEK) and has a qualification from the Swiss Finance Institute. He has 25 years of experience in investment advisory and asset management. Before joining Tareno Ltd in 2014, he was an Executive Director at UBS and worked for Bank J. Safra Sarasin. Mr Müller is married
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Martin Murbach has been representing the interests of private clients for more than 25 years and advises them on all their investments. He worked for Swiss Bank Corporation and received further training in Geneva and New York. After the merger to form the present UBS in 2000, he built up the Nordic Countries unit in
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Daniel U. Unger

Head of Private Banking / Partner

Brought up in two different cultures – Swiss and Peruvian – Daniel U. Unger studied politics and history in Boston and Washington D.C. From 1996 he was a member of the management at UBS in various divisions of Wealth Management Latin America and Southern Europe. In 2004 he joined Tareno Ltd as a partner. He
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Andreas Welti spent 20 years working in investment advisory at UBS in Switzerland and Panama. On this firm basis, in 1999 he began a successful career as an independent asset manager. In 2013 he joined Tareno Ltd, devoting himself principally to Spanish-speaking clients. As his three sons have grown up, his interests have shifted somewhat.
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