Marc GiesenManaging Director+49 (0) 160 / 90134642 Jens Groesdonksenior key account manager+49 (0) 151 / 60669002 Sven BergerKey Account Manager+49 (0) 151 / 60669004 Kevin GräfeAfter Sales+49 (0) 151 / 60669039 Volker Dudziakcustomer service+49 (0) 171 / 5676536 Nicole Langercustomer service+49 151 / 60 66 90 62 Benedikt Strätlingcustomer service+49 (0) 157 / 83 05 22 69 back to the overview