Mr. Andreas Wiggenhagen
President 
Tel: +1 (716) 712-9917
Mobile: +1 (716) 880-6104
awiggenhagen@kempersystem.com

Christian Schaefer
Chief Financial Officer
Tel: +1 (716) 712-9920
Mobile: +1 (716) 479-8108
cschaefer@kempersystem.com

Brian McGuire
Southeast / South / West
National Sales Manager
Mobile: +1 (201) 815-7945
bmcguire@kempersystem.com

Roland Wieth
National Field
Technical Manager
Mobile: +1 (253) 606-6936
rolandw@kempersystem.com

Jason Walton
Site Quality
Control Manager
Mobile: +1 (978) 905-5577
jwalton@kempersystem.com

Krzysztof Dobrzanski
NYC / NJ 
Manager of Contractor Services
Mobile: +1 (201) 679-9640
kdobrzanski@kempersystem.com

Jeremy Naves
NYC / NJ Contractor
Sales Representative 
Mobile: +1 (551) 804-6329
jnaves@kempersystem.com

Jae Horbacz, AIA
NYC / NJ 
Architectural Representative
Mobile: +1 (347) 949-0373 
jhorbacz@kempersystem.com

Larry Ryndak
Upstate NY
Account Executive
Mobile: +1 (716) 970-0010
lryndak@kempersystem.com

Kyle Konopasek
Midwest
Regional Manager
Mobile: +1 (312) 881-0462
kkonopasek@kempersystem.com