Your Contacts

Calogero Vassallo

Global Incubator Business Risers 
Tel. +49 211 7110-78 
Calogero.Vassallo@ask-chemicals.com

Dipl.-Ing. Stefan Fischer

Technical Sales Risers 
Tel. +49 211 71103-0
Cell +49 163 6783326
Stefan.Fischer@ask-chemicals.com

Dipl.-Ing. Udo Skerdi

Technical Sales Director
Incubator Risers 
Tel. +49 2622 92403-77 
Udo.Skerdi@ask-chemicals.com

Steven Johnston

Technical Product Manager - Risers
Phone: +1 614 763-0245
Steven.Johnston@ask-chemicals.com 

Sean Harmon

Technical Product Manager - Sleeves
Tel. +1 614 512-7212
Sean.Harmon@ask-chemicals.com