CUSTOMER ADVICE
Whether you need individual advice on new or used equipment, to arrange an appointment to view your practice, have questions about our products or need help with a malfunction, our qualified service team is there for you.
CONTACT
+49 (0) 231 108 77 85 0
info@block-optic.com
on-site service
Technical support
Personalized advice
BLOCK OPTIC | WHO WE ARE
MANAGEMENT BOARD
JÖRG GRAWUNDER
Management/Sales Management
grawunder@block-optic.com
HANS-CHRISTIAN BLOCK
management
block@block-optic.com
CONSULTING
FIELD SERVICE
CECILE DUFRENNE
management assistant/field service
dufrenne@block-optic.com
+49 (0) 157 518 522 85
OLIVER GRIEGER
Master optician/field service
grieger@block-optic.com
+49 (0) 178 180 059 3
CHRISTIAN OHLY
field service
ohly@block-optic.com
+49 (0) 151 159 534 05
THOMAS KEUNE
field service
keune@block-optic.com
+49 (0) 160 979 916 32
SERVICE
TECHNOLOGY
MICHAEL TILLER
mechanics/electronics
tiller@block-optic.com
+49 (0) 163 243 322 0
SVEN OWCZARZAK
mechanics/electronics
owczarzak@block-optic.com
+49 (0) 163 243 322 2
ADMINISTRATION
INTERNAL SERVICES
VIKTOR ZELLER
Processing
office work
zeller@block-optic.com
ASTRID GRAWUNDER
Accounting/Administration
Office work
info@block-optic.com
ANDREAS GENSMANN
Sales – Advice
Internal Sales
gensmann@block-optic.com
PRODUCTION
VELEN
ULRICH BUSSKAMP
Production manager Velen
busskamp@block-optic.de
+49 (0) 2863 475 4
PETER SCHULZE-SIEVERT
Production manager Velen
schulze.sievert@block-optic.de
+49 (0) 2863 923 689 1
