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References from employers...
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All documents are written in German and provided in Acrobat PDF-format.

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"Mr. Onken is very much valued as an It-Specialist and due to his job he substantially contributes for reaching the aims of the project. Particularly we would like to emphasize his extraordinary commitment, his detailed technical knowledge and his capability to advise and motivate colleagues sustainable.
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Gudrun Ziermann (Management quelle.de), Karl-Heinz Weis (Head of Operation & Application) Marin Weisath (Head of Platform-Development), Quelle Neue Medien, 03/03
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"…ambitious eCommerce projects were carried out to highest customer satisfaction within time and money budgets due to technical and methodical excellence…"
Karsten Schneider (GM, co-founder), Wolfgang Schober (VP Professional Service) INTERSHOP Communications, 06/00 |
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"…competent, reliable, loyal, team oriented, effective…"
Depper (Head of IT-Department), e-Plus Mobilfunk, 06/97 |
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"…highly motivated, competent, fully satisfactory engagement, very high esteem…"
Degitz (Head of IT-Department), The Boston Consulting Group, 10/96 |
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"…meticulous work, unusual effort in problem solving…"
Beckers (Div. Manager Legal & Personal), Computer Associates, 03/06 |
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"…cooperative with supervisors and peers, result oriented, open, responsible…"
Ostrowski (General Manager), Schärf Büromöbel, 09/05
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"…team oriented & highly motivated, satisfactory work even under time and high volume pressure…"
Untersander (General Manager), Böhring (Manager production), Boduk (Manager logistic) SITAG AG, 02/95
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