Individual performances sum up to a good team result. A team can only be successfull if all players go for the same goal. OnOffice employs a team of experts and well trained people. Your advantage: professional software solutions - with respect to administration, support and marketing.
Let's stick toegether and make YOUR vision possible!
Marius Siegmund
Department Manager Sales
+49 241 44686-295
+49 160 8996139
m.siegmund@onOffice.com
Philipp Braun
Assistant Department Manager
+49 241 44686-257
+49 160 96703884
p.braun@onOffice.com
Laura Frings
Inside Sales Manager
+49 241 44686-274
+49 157 38812860
l.frings@onOffice.com
Nicole
Inside Sales Manager
+49 241 44686-106
+49 162 2480721
n.wiszniak@onOffice.com
Verena Mahr
Junior Inside Sales Manager
+49 241 44686-126
+49 162 2480929
v.mahr@onOffice.com
Matthias Peikert
Customer Care Manager
+49 241 44 686-0
+49 173 5838141
m.peikert@onOffice.com
Katharina Lühring
Junior Customer Care Manager
+49 (0)241 44 686-0
k.luehring@onOffice.com
Meike Jankowski
Address Manager
+49 241 44 686-0
m.jankowski@onOffice.com
Janina Lennartz
Junior Address Manager
+49 241 44 686-1065
j.lennartz@onOffice.com
Jan Slodowy
EUFH Trainee
+49 241 44686-1048
j.slodowy@onOffice.com
Fabia Umbscheiden
Working Student
+49 241 44 686-0
+49 173 9976658
f.umbscheiden@onOffice.com
Dennis Frings
Team Manager Business Division Real Estate Agents
+49 241 44686-252
+49 178 8917317
d.frings@onOffice.com
Christoph Czekanski
Junior Team Manager
+49 241 44686-293
+49 176 23334548
c.czekanski@onOffice.com
Sascha Zimmermann
Senior Sales Manager
+49 241 44686-158
+49 173 6276500
s.zimmermann@onOffice.com
Stefan Oppelt
Customer Relation Manager
+49 241 44686-178
+49 152 04795777
s.oppelt@onOffice.com
Adriana Dine
Sales Manager
+49 241 44686-256
+49 157 30963646
a.dine@onOffice.com
Stefanie Maus
Sales Manager
+49 241 44686-1006
+49 162 1390194
s.maus@onOffice.com
Simon Viehöver
Junior Sales Manager
+49 241 44686-1062
s.viehoever@onOffice.com
Jannika Heimann
Trainee
+49 241 44 686- 1088
j.heimann@onOffice.com
Aycan Uluat
Trainee
+49 241 44 686-270
+49 172 2059908
a.uluat@onOffice.com
Felix Pagel
Key Account Manager
+49 241 44686-221
+49 151 40007178
f.pagel@onOffice.com
Marc Dossing
Sales Manager
+49 241 44686-281
+49 157 88237487
m.dossing@onOffice.com
Patrick Makowe
Sales Manager
+49 241 44686-0
+49 173 1671873
p.makowe@onOffice.com
Jannik Jeschka
Customer Relation Manager
+49 241 44686-146
+49 172 8710655
j.jeschka@onOffice.com
Raana Ahmadian
Customer Relation Manager
+49 241 44686-1007
+49 162 1372177
r.ahmadian@onOffice.com
Ardit Hiseni
Sales Manager
+49 241 44686-1060
+49 162 2481273
a.hiseni@onOffice.com
Jessica-Kathrin Kazubek
Trainee
+49 241 44686-115
+49 176 44264773
j.kazubek@onOffice.com
Janina Nettelmann
Key Account Manager
+49 241 44686-1008
+49 162 1391537
j.pohl@onOffice.com
Laura Mertens
Customer Relation Manager
+49 241 44686-183
+49 174 3085118
l.mertens@onOffice.com
Nima Saoudi
Sales Manager
+49 241 44686-243
+49 177 4885546
n.saoudi@onOffice.com
Katharina Hanbücken
Customer Relation Manager
+49 241 44686-1086
+49 173 6016850
k.hanbuecken@onOffice.com
Yonca Sahin
Junior Customer Relation Manager
+49 241 44686-102
+49 174 3098699
y.sahin@onOffice.com
Amanda Jagodic
Junior Sales Manager
+49 241 44 686-1004
a.jagodic@onOffice.com
Ali Karakoc
Trainee
+49 241 44686-137
+49 173 1661772
a.karakoc@onOffice.com
Bernd Gregor
Key Account Manager
+49 40 7718509-97
+49 160 90300100
b.gregor@onOffice.com
Henning Hartmann
Senior Customer Relation Manager
+49 241 44686-298
+49 176 47714368
h.hartmann@onOffice.com
Ilka Flach
Sales Manager
+49 241 44686-173
+49 173 7375418
i.flach@onOffice.com
Andreas Gieltowski
Junior Customer Relation Manager
+49 241 44 686-1033
+49 162 6713425
a.gieltowski@onOffice.com
Isabell Dederichs
Trainee
+49 241 44686-1046
+49 152 04359521
i.dederichs@onOffice.com
Marcel Lennartz
Team Manager
+49 241 44686-290
+49 177 7118523
m.lennartz@onOffice.com
Michael Kleemann
Sales Manager
+49 241 44686-139
+49 159 01974549
m.kleemann@onOffice.com
Burhan Gülez
Junior Sales Manager
+49 241 44 686-0
b.guelez@onOffice.com
Robin Lenzen
Working Student
+49 241 44686-117
+49 17644264603
r.lenzen@onoffice.com
Fredi Gabro
Junior Sales Manager Austria
+43 1 361 98 57-23
+43 676 3900166
f.gabro@onOffice.at
Dominic Campbell
Sales Manager Österreich
+43 1 361 9857-26
+43 676 4341228
d.campbell@onOffice.at
Martin Weidner
Sales Manager Österreich
+43 1 361 9857-26
m.weidner@onOffice.at
Kay Haberfellner
Sales Manager Spain
+49 241 44686-150
k.haberfellner@onOffice.es
Vanessa Menoscal
Sales Manager Spain
+49 241 44 686-1092
v.menoscal@onOffice.es
Thomas Fabry
Senior Sales Manager Switzerland
+49 241 44 686-251
+49 176 20758648
t.fabry@onOffice.com
Tereza Sola
Sales Manager Switzerland
+41 31 555 58 11
+41 784 034334
t.sola@onOffice.ch
Patrick Eggimann
Sales Manager Switzerland
+41 31 555 58 12
p.eggimann@onOffice.ch
Danushanthi Sothilingam
Sales Manager Switzerland
+41 31 555 58 13
d.sothilingam@onOffice.ch
Dimiter Kirkov
Managing Director onOffice d.o.o Slowenien
+386 (0) 1 77728 00
+386 (0) 30619551
d.kirkov@onOffice.si
Mattia Schirru
Managing Director Italy
+39 (011) 753707 0
m.schirru@onOffice.com
Sebastian Raab
Sales Manager Italy
+39 (011) 753707 0
s.raab@onOffice.com
Angelo Fierro
Sales Manager Italy
+39 (011) 753707-8
a.fierro@onOffice.com
Leonarda Mingirulli
Junior International Business Administrator
+49 241 44686-1040
l.mingirulli@onOffice.com
Steffen Dreher
Junior International Business Administrator
+49 241 44 686-131
s.dreher@onOffice.com
Gabriel Cafranga
Junior Sales Manager
+49 241 44 686-1089
g.cafranga@onOffice.com
Philippe Lepelmann
EUFH Trainee
+49 241 44 686-216
p.lepelmann@onOffice.com
Celina Garcia
Working Student
+49 (0)241 44 686-0
c.garcia@onOffice.com
Dennis Ludwigs
Department Manager Customer Success
+49 241 44686-201
+49 176 31284962
d.ludwigs@onOffice.com
Isabelle Dresen
Assistant Department Manager
+49 241 44686-182
i.dresen@onOffice.com
Kim Krings
Junior Team Manager
+49 241 44686-259
+49 160 93802483
k.krings@onOffice.com
Janina Servos
Customer Success Manager
+49 241 44686-213
j.servos@onOffice.com
Yves Vijgen
Customer Success Manager
+49 241 446 86-196
y.vijgen@onOffice.com
Marc Winzen
Customer Success Manager
+49 241 446 86-266
m.winzen@onOffice.com
Mazlum Akar
Customer Success Manager
+49 241 44686-175
m.akar@onOffice.com
Inga Winzen
Customer Success Manager
+49 241 44 686-226
i.winzen@onOffice.com
Mike van Wissen
Customer Success Manager
+49 241 44 686-1083
+49 173 5617567
m.van-wissen@onOffice.com
Jennifer Janjic
Customer Success Manager
+49 241 44686-163
+49 176 72202796
j.janjic@onOffice.com
Olga Klassen
Customer Success Manager
+49 241 44686-134
o.klassen@onOffice.com
Niklas Vöpel
Customer Success Manager
+49 241 44686-1002
+49 152 38926259
n.voepel@onOffice.com
Jennifer Büttgen
Customer Success Manager
+49 241 44686-272
+49 151 58888338
j.buettgen@onOffice.com
Thomas Schubert
Customer Success Manager
+49 241 44686-1020
t.schubert@onoffice.com
Lars van Egdom
Customer Success Manager
+49 241 44686-1043
l.vanegdom@onOffice.com
Jessica Borchert
Customer Success Manager
+49 241 446 86-1098
j.borchert@onOffice.com
Dennis Ostlender
Junior Customer Success Manager
+49 241 446 86-1017
d.ostlender@onOffice.com
Christine Ernst
Junior Customer Success Manager
+49 241 44686-1038
c.ernst@onOffice.com
Anika Westhoff
Junior Customer Success Manager
+49 241 44686-1036
a.westhoff@onOffice.com
Diana Carolina Carrera Contreras
Junior Customer Success Manager
+49 241 44686-179
d.carrera@onoffice.com
Lukas Schaumann
Junior Customer Success Manager
+49 241 44 686-1076
l.schaumann@onoffice.com
Tim Adamus
Junior Customer Success Manager
+49 241 44 686-1093
t.adamus@onoffice.com
Jennifer Maria Dzwonkowski
Trainee
+49 241 44686-201
+49 152 29791377
j.dzwonkowski@onOffice.com
Julia Peters
Trainee
+49 241 44686-157
+49 157 73546184
j.peters@onOffice.com
Nina Schön
Trainee
+49 241 44 686-135
+49 157 54772342
n.schoen@onOffice.com
Jörg Brathauer
Department Manager Support
+49 241 44686-172
j.brathauer@onOffice.com
Holger Lauter
Senior Team Manager Technical Support
+49 241 44686-210
+49 170 5534148
h.lauter@onOffice.com
Georg Schöppen
Team Manager Technical Support
+49 241 446 86-197
g.schoeppen@onOffice.com
Marcel Zapke
Team Manager Technical Support
+49 241 44686-217
m.zapke@onOffice.com
Gabriele Kruljac
Senior Consultant Support
+49 241 44686-122
support@onOffice.de
Heinz Klinkenberg
Senior Support Manager
+49 241 446 86-267
h.klinkenberg@onOffice.com
Anton Delfino
Support Manager
+49 241 44686-214
t.delfino@onOffice.com
Nóra Váradi
Support Manager
+49 241 44686-276
n.varadi@onOffice.com
Thomas Beineke
Support Manager
+49 241 446 86-171
t.beineke@onOffice.com
Thomas Werner Trapp
Support Manager
+49 241 44686-169
t.trapp@onOffice.com
Bärbel Butzek
Support Manager
+49 241 44686-167
b.butzek@onOffice.com
Christopher Müller
Technical Support
+49 241 44686-145
c.mueller@onOffice.com
Oliver Zima
Support Manager
+49 241 44 686-1025
o.zima@onOffice.com
Alexandra Ubben
Support Manager
+49 241 44686-128
a.ubben@onOffice.com
Eva-Maria Fersch
Support Manager Wien
+43 1 3619857-24
e.fersch@onOffice.at
Gregory John
Support Manager Austria
+43 1 3619857-1049
g.john@onOffice.at
Madalina Muntean
Customer Support Manager Italy
+49 241 44 686-6
m.muntean@onOffice.com
Valeria Morra
Customer Support Manager Italy
+49 241 44 686-7
v.morra@onOffice.com
Daniel Crnogorac
Junior Support Manager
+49 241 44686-185
d.crnogorac@onOffice.com
Kateřina Dvorackova
Junior Support Manager
+49 241 44686-144
k.dvorackova@onOffice.com
Thomas Poser
Junior Support Manager
+49 241 44 686-1037
t.poser@onOffice.com
Daniel Wünschirs
Junior Support Manager
+49 241 44 686-1044
d.wuenschirs@onOffice.com
Marc Brandt
Junior Support Manager
+49 241 44 686-113
m.brandt@onOffice.de
Dennis Decker
Junior Support Manager
+49 241 44 686-1064
d.decker@onOffice.de
Khalide Jamali
Junior Support Manager
+49 241 44 686-1066
k.jamali@onOffice.de
Ilias El Baddioui
Junior Support Manager
+49 241 44 686-0
i.baddioui@onOffice.com
Sarah Deutz
Junior Support Manager
+49 241 44 686-0
s.deutz@onOffice.com
Nicolai Meier
Junior Support Manager
+49 241 44 686-1091
n.meier@onOffice.com
Halil Doganay
Junior Support Manager
+49 241 44686-165
h.doganay@onOffice.com
Yassine El Baddioui
Junior Support Manager
+49 241 44686-166
y.baddioui@onOffice.com
Burak Hatzimoustafamemet
Junior Support Manager
+49 241 44686-287
b.hatzimoustafamemet@onOffice.com
Kaan Yagmur
Junior Support Manager
+49 241 44686-275
k.yagmur@onOffice.com
Sebastian Dziwisch
Junior Support Manager
+49 (0)241 44 686-0
s.dziwisch@onOffice.com
Lisa Katharina Weimann
Junior Support Manager
+49 (0)241 44 686-0
l.weimann@onOffice.com
Marlene Hölscher
Junior Support Manager
+49 (0)241 44 686-0
m.hoelscher@onOffice.com
Antje Unglert
Junior Support Manager
+49 (0)241 44 686-0
a.unglert@onOffice.com
Chris König
Junior Support Manager
+49 (0)241 44 686-0
c.koenig@onOffice.com
Gabriel Pitrop
Trainee
+49 241 44 686-1009
g.pitrop@onOffice.com
Mounia Chfira
Trainee
+49 241 44 686-1051
m.chfira@onOffice.com
Jonathan Stormberg
Working Student
+49 241 44 686-1077
j.stormberg@onOffice.com
Carmela Bruno
Working Student
+49 241 44 686-0
c.bruno@onOffice.com
Quang Nguyen
Team Manager Customer Solutions
+49 241 44686-224
q.nguyen@onOffice.com
Philipp Herz
Solutions Consultant
+49 241 44686-284
p.herz@onOffice.com
Florian Hardt
Junior Solutions Consultant
+49 241 44686-164
f.hardt@onOffice.com
Christoph Hohmann
Junior Solutions Consultant
+49 241 44686-1010
c.hohmann@onOffice.com
Christoph Kähmer
Junior Solutions Consultant
+49 241 44686-133
c.kaehmer@onOffice.com
Bang Phi Diep
Junior Solutions Consultant
+49 241 44686-125
b.diep@onOffice.com
Karsten Korthus
Junior Solutions Consultant
+49 241 44686-1070
k.korthus@onOffice.com
Jathipan Sivarajah
Coach & Trainer
+49 241 446 86-209
+49 172 2059915
j.sivarajah@onOffice.com
Marco Berg
Coach & Trainer
+49 241 44686-1031
+49 173 5830684
m.berg@onOffice.com
Markus Dirrichs
Coach & Trainer
+49 241 44 686-1049
+49 174 7865549
m.dirrichs@onOffice.com
Julia
Marketing Manager
+49 241 44686-207
j.mannheims@onOffice.com
Carolin
Marketing Manager
+49 241 44686-205
c.tholen@onOffice.com
Beate
Marketing Manager
+49 241 44686-159
b.boeker@onOffice.com
Tobias
Marketing Manager
+49 241 44686-0
t.mantl@onOffice.com
Philina
Marketing Manager
+49 241 44686-143
p.hittich@onOffice.com
Kira
Marketing Manager
+49 241 44686-176
k.wolters@onOffice.com
Sarah
Marketing Manager
+49 241 44 686-132
s.goerres@onOffice.com
Francesco
Marketing Manager
+49 241 44686-148
f.rigano@onoffice.com
Jana
Junior Marketing Manager
+49 241 44686-114
j.bosman@onOffice.com
Thomas
Leader onOffice Academy
+49 241 44686-1041
+49 173 2867121
t.brunner@onOffice.com
Katharina
Marketing Manager
+49 241 44686-206
k.niemann@onOffice.com
Margit
Marketing Manager
+49 241 44686-168
m.forsbach@onOffice.com
Karsten Stickel
Senior Team Manager SEO & Online-Marketing
+49 241 44686-0
k.stickel@onOffice.com
Claudio Zizi
Team Manager Netcore
+49 241 44686-0
c.zizi@onOffice.com
Kristin
SEO & Content Manager
+49 241 44686-0
k.schneider@onOffice.com
Silke
Project- and process control
+49 241 44686-0
s.vonbracht@onOffice.com
Marie
Content & SEO Manager
+49 241 44686-0
m.mertens@onOffice.com
Eva
Webdesigner
+49 241 44686-0
e.tausendfreund@onOffice.com
Kambiz
Project & Customer Manager
+49 241 44686-0
k.javadi@onOffice.com
Johannes
User Experience Designer
+49 241 44 686-0
j.maas@onOffice.com
Thomas
Project & Customer Manager
+49 241 44 686-0
t.knappe@onOffice.com
Helene
Webdeveloper
+49 241 44686-0
h.neufeld@onOffice.com
Kristian
Webdeveloper
+49 241 44 686-0
k.pospis@onOffice.com
Anja
Webdeveloper
+49 241 44 686-0
a.moeller@onOffice.com
Renaldo
Junior Webdeveloper
+49 241 44686-0
r.perez@onOffice.com
Ömer
Junior Webdeveloper
+49 241 44686-0
o.seven@onOffice.com
Ugur
Junior Webdeveloper
+49 241 44686-0
u.toeman@onOffice.com
Nicole
Junior Webdeveloper
+49 241 44686-194
n.kuepper@onoffice.com
Frederic
Junior Webdeveloper
+49 241 44 686-0
f.alpers@onOffice.com
Monika
Webdesigner
+49 241 44686-0
m.radermaker@onOffice.com
Lisa
Junior SEO & Content Manager
+49 241 44686-0
l.ebert@onOffice.com
Renata
Junior SEO & Content Manager
+49 241 44 686-0
r.kryczka@onOffice.com
Michelle
Junior Content & SEO Manager
+49 241 44 686-0
m.goeckmann@onOffice.com
Jessica
Junior Tech-SEO-Manager
+49 241 44686-0
j.rick@onOffice.com
Rafaela
Junior Online-Marketing Manager
+49 241 44 686-0
r.heck@onOffice.com
Katrin
Junior Online-Marketing Manager
+49 241 44 686-0
k.erz@onOffice.com
Anne
Junior Online-Marketing Manager
+49 (0)241 44 686-0
a.cueppers@onOffice.com
Nicole
Assistant Online-Marketing Manager
+49 (0)241 44 686-0
n.stumpf@onOffice.com
Svenja
Assistant SEO Manager
+49 241 44686-0
s.motter@onOffice.com
Julia
Junior Content-Marketing Manager
+49 241 44 686-0
j.fastnacht@onOffice.com
Jan
Assistant SEO Manager
+49 241 44686-0
j.vandaal@onOffice.com
Jana
Assistant SEO Manager
+49 241 44 686-0
j.bastek@onOffice.com
Rathiesh
Assistant Webdeveloper
+49 241 44 686-0
r.thuthiananthan@onOffice.com
Marie Sophie
Assistant Webdeveloper
+49 241 44 686-0
m.maassen@onOffice.com
Nils
Trainee
+49 241 44686-0
n.fassbender@onOffice.com
Christina
Trainee
+49 241 44 686-0
c.graaf@onOffice.com
Lilly
Trainee
+49 241 44686-0
l.jansen@onOffice.com
Stephanie
Student asst. SEO & Content
+49 241 44686-0
s.granderath@onOffice.com
Katharina
Student asst. SEO & Content
+49 241 44 686-0
k.ehm@onOffice.com
Mirko
Department Manager Finance and Accounting
+49 241 44686-0
m.ferlin@onOffice.com
Carola
Finance & Accounting
+49 241 44686-0
c.roehrig@onoffice.com
Janine
Finance & Accounting
+49 241 44686-0
j.bongartz@onOffice.com
Petra
Finance & Accounting
+49 241 44 686-0
p.kern@onOffice.com
Anna
Team Manager Business Administration
+49 241 44686-0
a.wetten@onOffice.com
Beate
Business Administrator
+49 241 44686-0
b.krisch@onOffice.com
Claudia
Business Administrator
+49 241 44686-0
c.schiffer@onOffice.com
Christina
Business Administrator
+49 241 44686-0
c.schueltke@onOffice.com
Sarah
Property Manager
+49 241 44 686-0
s.may@onOffice.com
Lisa Marie
Front Desk Employee
+49 241 44686-0
l.winden@onOffice.com
Celina
Junior Business Administrator
+49 241 44686-0
c.thiel@onOffice.com
Sarah
Trainee
+49 241 44686-0
s.olef@onOffice.com
Isabel
Organisation
+43 1 361 98 57-0
+43 699 10445371
i.kaas@onOffice.com
Christian
Department Manager Human Resource & Development
+49 241 44686-130
c.maehringer@onOffice.com
Natalie
Human Resource Manager
+49 241 44686-1035
n.romeike@onoffice.com
Claudia
Senior Finance Accountant
+49 241 44686-0
c.bicanic@onOffice.com
Saskia
Human Resource Manager
+49 241 44 686-0
s.ohler@onOffice.com
Dirk
Marketing Manager Human Resource
+49 (0)241 44 686-0
d.joeris@onOffice.com
Lena
Trainee
+49 241 44686-107
l.vonbaum@onOffice.com
Lena
Trainee
+49 241 44 686-1063
le.breuer@onOffice.com
Janosch Reuschenbach
Director IT and Development
+49 241 44686-235
+49 151 42545545
j.reuschenbach@onOffice.com
Matthias
Senior Software Developer / Data protection & security officer
+49 241 44686-0
m.menne@onOffice.com
Michael Per
Professional Project Coordinator – IT
+49 241 44686-138
m.arnold@onOffice.com
Domenik
Professional Project Coordinator – IT
+49 241 44686-0
d.glum@onOffice.com
Jan
Senior Team Manager Software Development
+49 241 44686-0
j.posselt@onOffice.com
Patrick
Junior Team Manager
+49 241 44686-0
p.bohn@onOffice.com
Florian
Junior Team Manager
+49 241 44686-0
f.thelen@onOffice.com
Thomas
Senior Software Developer
+49 241 44686-0
t.pieber@onOffice.com
Michael
Senior Software Developer
+49 241 44686-0
m.vonrueden@onOffice.com
Ferhat
Senior Software Developer
+49 241 44686-0
f.deliktas@onOffice.com
Ana
Senior Software Developer
+49 241 44686-0
a.ivanova@onOffice.com
Tjalf
Senior Software Developer
+49 241 44686-0
t.hoffmann@onOffice.com
Marco
Professional Software Developer
+49 241 44686-0
m.schomas@onOffice.com
Rainer
Professional Software Developer
+49 241 44686-0
r.gimpel@onOffice.com
Marcel
Professional Software Developer
+49 241 44686-0
m.peiffer@onOffice.com
Oliver
Professional Software Developer
+49 241 44686-0
o.wolters@onOffice.com
Philipp
Professional Software Developer
+49 241 44686-0
p.koulen@onOffice.com
Sebastian
Professional Software Developer
+49 241 44686-0
s.jacob@onOffice.com
Bastian
Professional Software Developer
+49 241 44686-0
b.doeen@onOffice.com
Kevin
Professional Software Developer
+49 241 44686-0
k.roderburg@onOffice.com
Marie
Professional Software Developer
+49 241 44686-0
m.certa@onOffice.com
Michael
Professional Software Developer
+49 241 44686-0
m.schmidt@onOffice.com
Parashkeva
Professional Software Developer
+49 241 44686-0
p.bock@onOffice.com
Ricardo
Professional Software Developer
+49 241 44686-0
r.schneider@onOffice.com
Michel
Professional Software Developer
+49 241 44 686-0
m.meijer@onOffice.com
Stephan
Professional Software Developer
+49 241 44 686-0
s.janssen@onOffice.com
Muthia
Junior Software Developer
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m.alawiyah@onoffice.com
Kevin
Junior Software Developer
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k.bodenstein@onOffice.com
Yannik
Junior Software Developer
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y.doerner@onOffice.com
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Junior Software Developer
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r.hofmann@onOffice.com
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Trainee
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f.mueck@onOffice.com
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o.plum@onOffice.com
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Trainee
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Andreas
Junior Team Manager
+49 241 44686-0
a.amberg@onOffice.com
Daniel
Junior Team Manager
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d.fischer@onOffice.com
Jakob
Senior Software Developer
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Jens
Senior Software Developer
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Professional Software Developer
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a.thomsen@onOffice.com
David
Professional Software Developer
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d.vandewater@onoffice.com
Stephan
Professional Software Developer
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s.johach@onOffice.com
Niels
Professional Software Developer
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n.theen@onOffice.com
Alexander
Junior Software Developer
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a.nell@onOffice.com
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Expert Software Developer
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s.becker@onOffice.com
Dominik
Senior Software Developer
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Professional Software Developer
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m.gerz@onOffice.com
Marcel
Professional Software Developer
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m.werheid@onOffice.com
Dennis
Professional Software Developer
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d.knops@onOffice.com
Isabelle
Professional Software Developer
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Julia
Junior Software Developer
+49 241 44686-0
j.bayer@onOffice.com
Lucas
Trainee
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l.schoeppen@onOffice.com
Lukas
Working Student
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Christian
Expert Administrator
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Eberhard
Senior Administrator
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Axel
Professional Administrator
+49 241 44686-0
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Markus
Professional Administrator
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Daniel
Professional Administrator
+49 241 44686-0
d.matheis@onoffice.com
Chris
Professional Administrator
+49 241 44686-286
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Lucas
Professional Administrator
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Pascal
Professional Administrator
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p.bonny@onOffice.com
Marco
Professional Administrator
+49 241 44686-0
m.zimmer@onOffice.com
Julian
Professional Administrator
+49 241 44686-0
j.lokietek@onOffice.com
Michael
Team Manager
+49 241 44686-289
m.girnus@onOffice.com
Manuel
Senior Project Manager
+49 241 446 86-147
m.morschel@onOffice.com
Thomas
Professional Project Manager
+49 241 44 686-0
t.gornioczek@onOffice.com
Joanna
Professional Data Migrator
+49 241 44 686-0
j.skibka@onOffice.com
Martin
Professional Data Migrator
+49 241 44686-0
m.herrmann@onOffice.com
Patrik
Professional Data Migrator
+49 241 44686-0
p.schiffer@onOffice.com
Martin
Professional Data Migrator
+49 241 44686-0
m.rajnoga@onOffice.com
Kenneth
Professional Data Migrator
+49 241 44 686-0
k.tan@onOffice.com
Nicolai Weyers
Trainee
+49 241 44 686-118
n.weyers@onoffice.com
Mark
Trainee
+49 241 44 686-0
m.buteneuer@onoffice.com
Thomas
Senior Product Manager
+49 241 44686-280
t.braun@onOffice.com
Benjamin
Professional Product Manager
+49 241 44686-0
b.juergens@onOffice.com
Alexander
Professional Product Manager
+49 241 44 686-0
a.schaeffer@onOffice.com
Christine
Professional Product Manager
+49 241 44 686-1081
c.roggenbuck@onOffice.com
Leonid
Professional Product Manager
+49 241 44686-255
l.loschitzki@onOffice.com
Michael Stoffels
Junior Product Manager
+49 241 44686-180
m.stoffels@onoffice.com
Ralf Schwenk
Junior Team Manager Quality Assurance
+49 241 44686-212
r.schwenk@onOffice.com
Robert
Professional Quality Assurance Manager
+49 241 44686-212
r.rockmann@onOffice.com
Robert
Professional Quality Assurance Manager
+49 241 44686-0
r.igelmund@onOffice.com
Norbert
Professional Quality Assurance Manager
+49 241 44 686-0
n.lack@onOffice.com
Patrick
Professional Quality Assurance Manager
+49 (0)241 44 686-0
p.brings@onOffice.com
Dominik
Facility Manager
Mark
Care-Team
Rene
Care Team
Jörg
Care-Team
Filiz
Care-Team
Guido
Care-Team
Daniela
Care-Team
Maria
Care-Team Austria
Stefan Mantl
CEO
+49 241 44686-0
+43 676 7224473
s.mantl@onOffice.com
Kristina Andresen
Assistant CEO & Officer with Statutory Authority
+49 241 44686-220
+49 173 8291768
k.andresen@onOffice.com
Yvonne
Team Assistant
+49 241 44686-1053
y.gaebler@onOffice.com
Michelle
Assistenz der Geschäftsführung
+49 241 44 686-1056
m.jungen@onOffice.com
Prof. Dr. Siegfried Mantl
Officer with Statutory Authority
+49 241 44686-0
mantl@onOffice.com
Dr. Gero Heidelberger
Board of Directors
g.heidelberger@onOffice.com
Stefan Hirschmeier
Board of Directors
s.hirschmeier@onOffice.com
Sebastian Hucz
Board of Directors
s.hucz@onOffice.com
The software company onOffice based in Aachen was founded in 2001 as a sole proprietorship. In 2015, the company expanded and established another headquarters in Vienna, Austria. In 2018, onOffice Swiss AG was founded in Switzerland to develop the Swiss market.
Since the beginning, more than 30,000 users benefit from the expert of the online-based real estate software onOffice enterprise.
Location (Germany)
onOffice GmbH
Charlottenburger Allee 5
52068 Aachen
Phone: +49 241 44 686-0
Fax: +49 241 44686-250
E-mail: info@onOffice.com
onOffice in App Store
With the onOffice iOS app, it is even easier to do real estate. On your mobile device, you have access to the most important functions of onOffice enterprise and can manage tasks faster and easier. Whether it be shipping, E-mail processing or easy appointment management, and the onOffice app provides the convenient access real estate agents need to organize their workday.
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