Andrzej Siess was born in Łódź and educated at Wroclaw University. He has lived in Warsaw since 1980. At the beginning of 90’s last century he has begun to cooperate with Raben, Dutch family company owned which established its logistics business 27 years ago in Poland. Now days Raben Group runs its business in Poland and CEE region. Raben employs 10.000 people, have 1.000.000 sqm for rent and manage 8.000 trucks in daily business. He has worked as Board Adviser to Raben Group Management for many years. Also represents Raben in Foreign Chambers of Commerce as well as Domestic and International Institutions like Polish Chamber of Commerce, Polish Investment & Trade Agency and many others.