CUSTOMER SERVICE

Whether you need individual advice on new or used equipment, an appointment for a practice inspection, questions about our products or help with malfunctions,
our qualified service team is there for you.

We offer on-site service for all our products and
ophthalmic devices an on-site service.

In case of defective devices, we guarantee the fastest possible repair as well as possibly loaner devices
for the duration of the failure, so that your practice can continue to run smoothly.

Do you wish a practice inspection or a consultation? Please do not hesitate to contact us.

CONTACT

MANAGEMENT

JÖRG GRAWUNDER

Management / Sales Management

grawunder@block-optic.com
+49 (0) 231 1087785-6

HANS-CHRISTIAN BLOCK

Management

block@block-optic.com
+49 (0) 231 1087785-4

CONSULTING – EXTERNAL SERVICES

CECILE DUFRENNE

Assistant to the management/field service

dufrenne@block-optic.com
+49 (0) 231 1087785-5
+49 (0) 157 51852285

OLIVER GRIEGER

Master optician/field service

grieger@block-optic.com
+49 (0) 231 1087785-22
+49 (0) 178 1800593

CHRISTIAN OHLY

field service

ohly@block-optic.com
+49 (0) 151 15 95 34 05

THOMAS KEUNE

field service

keune@block-optic.com
+49 (0) 160 97991632

ADMINISTRATION OFFICE WORK

VIKTOR ZELLER

Processing
Office work

zeller@block-optic.com
+49 (0) 231 1087785-23

ASTRID GRAWUNDER

Accounting/Administration
Office work

info@block-optic.com
+49 (0) 231 1087785-11

ANDREAS GENSMANN

Sales – Consulting
Office work

gensmann@block-optic.com
+49 (0) 231 1087785-3

SERVICE / TECHNOLOGY

MICHAEL TILLER

Mechanics/Electronics

tiller@block-optic.com
+49 (0) 231 1087785-9
+49 (0) 1632433220

SVEN OWCZARZAK

Mechanics/Electronics

owczarzak@block-optic.com
+49 (0) 231 1087785-9
+49 (0) 1632433222

MARKETING & DESIGN

LISA WINTER

graphics

winter@block-optic.com
+49 (0) 231 1087785-26

SABINE ERBS

Dipl.-Ing. Architect

erbs@block-optic.com
+49 (0) 231 1087785-25

DEVELOPMENT

Torsten Kotewitz (Product development Optics)

Peter Klein (Product development Software)

Patrick Hinz (Product development Software)

Peter Schulze Sievert (Product development furniture and equipment)

Ulrich Busskamp (Product development Mechanics)

PRODUCTION

Ulrich Busskamp (Head of Mechanical Production/Technical Business Administrator)

Peter Schulze Sievert (Wood Production Manager/Carpenter Master)

Dirk Ebbing (mechanical assembly)

Rainer Wichert (mechanical assembly)

Sergio Joacabine (mechanical assembly)

Peter Büning (Electrical/Electronics)

Jochen Franke (Electrical/Electronics)

Omar Luqman Mahmoud (Electrical/Electronics)

Hubert Senkowski (CNC machine/metal/assembly)

Pascal Schlottbohm (Lathe/Metal/Assembly)

Michael Betcher (metal/assembly)

Simon Lichtenberg Hellmann (carpenter)

Anett Honerbom (Carpenter)

Clara Schulze Schwering (Trainee Carpenter)

Tara Omar Luqman Alkhalil (apprentice industrial mechanic fine equipment construction)

You would like a non-binding consultation
or an inspection of the practice?

Please feel free to call us or send us an email.