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2012-20xx - NSS Labs, Inc., Research Director, Austin/TX & Zurich
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2010-2012 - Secunia, Research Analyst Director, Copenhagen
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2009-2010 - ETH Zurich Senior Research Associate & Lecturer, Zurich
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2005-2009 - ETH Zurich PhD Research Assistant & Lecturer, Zurich
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2001-2005 - ISS X-Force Senior Security Consultant, London/Zurich
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1997-2001 - IEF Engineering - E-Business Developer/Owner, Zurich
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1995-1997 - InfoByte - HW/SW Development Engineer
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1995-1995 - IBM Research Lab - Networking Support, Zurich
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1991-1995 - ETH Zurich - Various roles, Zurich
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1990-1991 - EgoKiefer - Software Developer, St. Gallen