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
Director Sales
+49 241 44686-295
+49 160 8996139
m.siegmund@onOffice.com
Laura Frings
Inside Sales Manager
+49 241 44686-274
+49 157 38812860
l.frings@onOffice.com
Verena Mahr
Junior Inside Sales Manager
+49 241 44686-126
+49 162 2480929
v.mahr@onOffice.com
Stephanie Paulissen
Junior Inside Sales Manager
+49 241 44 686-106
s.paulissen@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
+49 241 44 686-1039
k.luehring@onOffice.com
Lukas Schaumann
Junior Customer Care Manager
+49 241 44 686-1076
l.schaumann@onOffice.com
Antje Unglert
Address Manager
+49 241 44 686-1011
a.unglert@onOffice.com
Alexandre Roschanzamir
Adress Manager
+49 241 44 686-1056
a.roschanzamir@onOffice.com
Cornelia Beitmüller
Address Manager
+49 (0)241 44 686-1128
c.beitmueller@onOffice.com
Janina Lennartz
Junior Address Manager
+49 241 44 686-1065
j.lennartz@onOffice.com
Celina Garcia
Working Student
+49 241 44 686-1102
c.garcia@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
Key Account 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
Samuel Kary
Sales Manager
+49 (0)241 44 686-504
s.kary@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
Jannik Jeschka
Senior Customer Relation Manager
+49 241 44686-146
+49 172 8710655
j.jeschka@onOffice.com
Marc Dossing
Senior 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
Raana Ahmadian
Customer Relation Manager
+49 241 44686-1007
+49 162 1372177
r.ahmadian@onOffice.com
Michael Claßen
Customer Relation Manager
+49 (0)241 44 686-1109
+49 (0)174 8342138
m.classen@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
Simon Ölmez
Trainee
+49 (0)241 44 686-1086
s.oelmez@onOffice.com
Nima Saoudi
Junior Team Manager GB Makler Middle/East
+49 241 44686-243
+49 177 4885546
n.saoudi@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
Yonca Sahin
Junior Customer Relation Manager
+49 241 44686-102
+49 174 3098699
y.sahin@onOffice.com
Aida Dizdari
Customer Relation Manager
+49 241 44 686-1125
a.dizdari@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
Bastian Dohlen
EUFH Trainee
+49 (0)241 44 686-1119
b.dohlen@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
Max Schijns
Junior Sales Manager
+49 (0)241 44 686-1120
m.schijns@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
Senior Sales Manager
+49 241 44686-139
+49 159 01974549
m.kleemann@onOffice.com
Robin Lenzen
Working Student
+49 241 44686-117
+49 17644264603
r.lenzen@onoffice.com
Fredi Gabro
Customer Relation 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
Thomas Straub
Sales Manager Österreich
+43 1 361 98 57-27
t.straub@onOffice.at
Kay Haberfellner
Sales Manager Spain
+34 (93) 60742-51
k.haberfellner@onOffice.es
Vanessa Menoscal
Sales Manager Spain
+34 (93) 60742-52
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
Valdrin Alimi
Junior Sales Manager Switzerland
+41 31 555 58 15
v.alimi@onOffice.ch
Dimiter Kirkov
Managing Director onOffice d.o.o Slowenien
+386 (0) 1 77728 00
+386 (0) 30619551
d.kirkov@onOffice.si
Ruhaan Babar
Sales Manager United Kingdom
+49 (0)241 44 686-0
r.babar@onOffice.com
Marika La Porta
Sales Manager United Kingdom
+49 (0)241 44 686-0
m.laporta@onOffice.com
Mattia Schirru
Managing Director Italy
+39 (011) 192704-16
m.schirru@onOffice.com
Sebastian Raab
Sales Manager Italy
+39 (011) 192704-51
s.raab@onOffice.com
Angelo Fierro
Sales Manager Italy
+39 (011) 192704-52
a.fierro@onOffice.com
Martina Mercuri
Sales Manager Italy
+39 011 192704 53
m.mercuri@onOffice.com
Laura Gentile
Sales Manager Italy
+39 011 192704 54
l.gentile@onOffice.com
Leonarda Mingirulli
International Business Manager
+49 241 44686-1040
l.mingirulli@onOffice.com
Mudashiru Salvador
International Business Manager
+49 241 44 686-1020
+49 162 2407816
m.salvador@onOffice.com
Steffen Dreher
Junior International Business Administrator
+49 241 44 686-131
s.dreher@onOffice.com
Daniela Gómez Urrea
Assistant International Business Administrator
+49 (0)241 44 686-157
d.gomez-urrea@onOffice.com
Francine Kerkmann-Cambronero
Assistant International Business Administrator
+49 (0)241 44 686-1126
f.kerkmann@onOffice.com
Adrian Tennessee
Assistant International Business Administrator
+49 (0)241 44 686-247
a.tennessee@onOffice.com
Susanne Tiarks
Inhouse English teacher
+49 (0)241 44 686-1122
s.tiarks@onOffice.com
Gabriel Cafranga
Junior Sales Manager
+34 (93) 60742-53
g.cafranga@onOffice.es
Sara Corradi
International Business Manager
+39 (011) 192704-23
s.corradi@onOffice.com
Loriana Caruso
Digital Marketing Manager Italy
+39 (011) 192704-81
l.caruso@onOffice.com
Philippe Lepelmann
EUFH Trainee
+49 241 44 686-216
p.lepelmann@onOffice.com
Fabia Umbscheiden
Working Student
+49 241 44 686-0
+49 173 9976658
f.umbscheiden@onOffice.com
Dennis Rüben
Department Manager
+49 241 44686-201
+49 176 31284962
d.rueben@onOffice.com
Isabelle Nikolić
Assistant Department Manager
+49 241 44686-182
i.nikolic@onOffice.com
Kim Krings
Junior Team Manager
+49 241 44686-259
+49 160 93802483
k.krings@onOffice.com
Janina Servos
Senior Project Manager
+49 241 44686-213
j.servos@onOffice.com
Yves Vijgen
Project Manager
+49 241 446 86-196
y.vijgen@onOffice.com
Marc Winzen
Project Manager
+49 241 446 86-266
m.winzen@onOffice.com
Mazlum Akar
Customer Assistant
+49 241 44686-175
m.akar@onOffice.com
Inga Winzen
Customer Assistant
+49 241 44 686-226
i.winzen@onOffice.com
Christine Ernst
Project Manager
+49 241 44686-1038
c.ernst@onOffice.com
Dino Seferovic
Project Manager
+49 (0)241 44 686-1005
d.seferovic@onOffice.com
Adrian Mutzhas
Project Manager
+49 (0)241 44 686-0
a.mutzhas@onOffice.com
Anne Hesse
Project Manager
+49 (0)241 44 686-1042
a.hesse@onOffice.com
Jennifer Janjic
Customer Assistant
+49 241 44686-163
+49 176 72202796
j.janjic@onOffice.com
Olga Klassen
Quality Assurance Manager - Customer Success
+49 241 44686-134
o.klassen@onOffice.com
Claudia Rahm
Quality Assurance Manager - Customer Success
+49 (0)241 44 686-1035
c.rahm@onOffice.com
Niklas Vöpel
Customer Assistant
+49 241 44686-1002
+49 152 38926259
n.voepel@onOffice.com
Jennifer Büttgen
Project Manager
+49 241 44686-272
+49 151 58888338
j.buettgen@onOffice.com
Davorko Savic
Customer Assistant
+49 (0)241 44 686-170
d.savic@onoffice.com
Lars van Egdom
Junior Project Manager
+49 241 44686-1043
l.vanegdom@onOffice.com
Dennis Ostlender
Project Manager
+49 241 446 86-1017
d.ostlender@onOffice.com
Anika Westhoff
Junior Quality Assurance Manager - Customer Success
+49 241 44686-1036
a.westhoff@onOffice.com
Diana Carolina Carrera Contreras
Junior Project Manager
+49 241 44686-179
d.carrera@onoffice.com
Tim Adamus
Junior Project Manager
+49 241 44 686-1093
t.adamus@onoffice.com
Katja Drescher
Junior Project Manager
+49 (0)241 44 686-104
k.drescher@onOffice.com
Johanna Zellmer
Junior Compliant Manager
+49 (0)241 44 686-1127
j.zellmer@onOffice.com
Nina Schön
Trainee
+49 241 44 686-135
+49 157 54772342
n.schoen@onOffice.com
Jan Slodowy
EUFH Trainee
+49 241 44686-1048
j.slodowy@onOffice.com
Imken Judit Jöris
Trainee Project Management
+49 (0)241 44 686-1097
i.joeris@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
Daniel Crnogorac
Junior Team Manager Technical Support
+49 241 44686-185
d.crnogorac@onOffice.com
Gabriele Kruljac
Senior Consultant Support
+49 241 44686-122
support@onOffice.de
Heinz Klinkenberg
Quality Assurance Manager Support
+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
+39 (011) 192704-21
m.muntean@onOffice.com
Valeria Morra
Customer Support Manager Italy
+39 (011) 192704-22
v.morra@onOffice.com
Niccolò Iocolano
Customer Support Manager Italy
+39 (011) 192704-24
n.iocolano@onOffice.com
Francesca Preite
Customer Support Manager Italy
+39 (011) 192704-25
f.preite@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
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
Sebastian Dziwisch
Junior Support Manager
+49 241 44 686-1099
s.dziwisch@onOffice.com
Marlene Hölscher
Junior Support Manager
+49 241 44 686-0
m.hoelscher@onOffice.com
Chris König
Junior Support Manager
+49 241 44 686-1103
c.koenig@onOffice.com
Nathalie Lechniak
Junior Support Manager
+49 241 44 686-1106
n.lechniak@onOffice.com
Daniel Dürbaum
Junior Support Manager
+49 241 44 686-1107
d.duerbaum@onOffice.com
Sebastian Koch
Junior Support Manager
+49 241 44 686-1032
s.koch@onOffice.com
Sarah Trenz
Junior Support Manager
+49 241 44 686-1108
s.trenz@onOffice.com
Kaan Yagmur
Junior Support Manager
+49 241 44 686-0
k.yagmur@onOffice.com
Marcus Grüterich
Junior Support Manager
+49 241 44 686-221
m.grueterich@onOffice.com
Michael Beumers
Junior Support Manager
+49 241 44 686-218
m.beumers@onOffice.com
Fabian Glunz
Junior Support Manager
+49 241 44 686-1050
f.glunz@onOffice.com
Philipp Atzinger
Junior Support Manager
+49 241 44 686-192
p.atzinger@onOffice.com
Marcel Buchholz
Junior Support Manager
+49 241 44 686-0
m.buchholz@onOffice.com
Sven Seefeld
Junior Support Manager
+49 241 44 686-0
s.seefeld@onOffice.com
Mounia Chfira
Trainee
+49 241 44 686-1051
m.chfira@onOffice.com
Gabriel Pitrop
Trainee
+49 241 44 686-1009
g.pitrop@onOffice.com
Carmela Bruno
Working Student
+49 241 44 686-0
c.bruno@onOffice.com
Bang Phi Diep
Junior Team Manager
+49 241 44686-125
b.diep@onOffice.com
Philipp Herz
Solutions Consultant
+49 241 44686-284
p.herz@onOffice.com
Florian Hardt
Solutions Consultant
+49 241 44686-164
f.hardt@onOffice.com
Christoph Hohmann
Solutions Consultant
+49 241 44686-1010
c.hohmann@onOffice.com
Christoph Kähmer
Junior Solutions Consultant
+49 241 44686-133
c.kaehmer@onOffice.com
Karsten Korthus
Junior Solutions Consultant
+49 241 44686-1070
k.korthus@onOffice.com
Marco Berg
Senior Trainer
+49 241 44686-1031
+49 173 5830684
m.berg@onOffice.com
Markus Dirrichs
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.muenstermann@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
Jennifer Maria Dzwonkowski
Working Student
+49 241 44686-201
+49 152 29791377
j.dzwonkowski@onOffice.com
Caroline
Leader onOffice Academy
+49 (0)241 44 686-184
+49 (0)162 2399301
c.kailuweit@onOffice.com
Katharina
Marketing Manager
+49 241 44686-206
k.niemann@onOffice.com
Margit
Marketing Manager
+49 241 44686-168
m.forsbach@onOffice.com
Nico Bleh
Department Manager Web
+49 (0)241 44 686-0
n.bleh@onOffice.com
Karsten Stickel
Department Manager Online Marketing
+49 241 44686-0
k.stickel@onOffice.com
Claudio Zizi
Team Manager Netcore
+49 241 44686-0
c.zizi@onOffice.com
Marie
Team Manager Online Marketing
+49 241 44686-0
m.mertens@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.marinperez@onOffice.com
Oğuz
Webdeveloper
+49 (0)241 44 686-0
o.akankan@onOffice.com
Ömer
Junior Webdeveloper
+49 241 44686-0
o.seven@onOffice.com
Ugur
Webdeveloper
+49 241 44686-0
u.toeman@onOffice.com
Jannik
Webdeveloper
+49 (0)241 44 686-0
j.pollmeier@onOffice.com
Frederic
Junior Webdeveloper
+49 241 44 686-0
f.alpers@onOffice.com
Sara
Junior Webdeveloper
+49 (0)241 44 686-0
s.grigorjanz@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
Michelle
Junior Content & SEO Manager
+49 241 44 686-0
m.goeckmann@onOffice.com
Jessica
Professional Tech-SEO Manager
+49 241 44686-0
j.rick@onOffice.com
Lourdes
Professional Online Marketing Manager Spain
+49 (0)241 44 686-0
l.reyes@onOffice.com
Alessa
Professional Content Marketing Manager
+49 (0)241 44 686-0
a.heinrichs@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
Tizia
Assistant Online Marketing Manager
+49 (0)241 44 686-0
t.jungjohann@onOffice.com
Svenja
Professional Online Marketing Manager
+49 241 44686-0
s.motter@onOffice.com
Julia
Junior Content-Marketing Manager
+49 241 44 686-0
j.fastnacht@onOffice.com
Jan
Junior Content & SEO Manager
+49 241 44686-0
j.vandaal@onOffice.com
Laura
Assistant Content & SEO Manager
+49 (0)241 44 686-0
l.skropke@onOffice.com
Franziska
Assistant Content & SEO Manager
+49 (0)241 44 686-0
f.krug@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
Aaron
Trainee
+49 241 44 686-0
a.friedrich@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
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
Claudia
Business Administrator
+49 241 44686-0
c.schiffer@onOffice.com
Christina
Business Administrator
+49 241 44686-0
c.schueltke@onOffice.com
Daniela
Business Administrator
+49 (0)241 44 686-0
d.beran@onOffice.com
Joanna
Business Administrator
+49 (0)241 44 686-0
j.lennartz2@onoffice.com
Diana
Business Administrator
+49 (0)241 44 686-0
d.hoenings@onoffice.com
Sarah
Property Manager
+49 241 44 686-29
s.may@onOffice.com
Lisa Marie
Front Desk Employee
+49 241 44686-0
l.winden@onOffice.com
Sarah
Trainee
+49 241 44686-0
s.olef@onOffice.com
Isabel
Organisation
+43 1 361 98 57-0
+43 699 10445371
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Christian
Department Manager Human Resource & Development
+49 241 44686-130
c.maehringer@onOffice.com
Philipp Braun
Assistant Department Manager Human Resource & Development
+49 241 44686-257
+49 160 96703884
p.braun@onOffice.com
Claudia
Senior Payroll Specialist
+49 241 44686-0
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Saskia
Human Resource Manager
+49 241 44 686-0
s.ohler@onOffice.com
Anne
Junior Human Resource Manager
+49 (0)241 44 686-1121
a.schnitzler@onOffice.com
Dirk Jörg
Marketing Manager Human Resource
+49 (0)241 44 686-174
d.joeris@onOffice.com
Julia
Human Resource Administrator
+49 (0)241 44 686-177
j.ohler-akyol@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
Kristin
Junior Team Manager IT – Project & Process Controlling
+49 (0)241 44 686-0
k.schneider@onOffice.com
Silke
Professional Project & Process Controlling
+49 (0)241 44 686-0
s.vonbracht@onOffice.com
Michael Per
Professional Project Coordinator – IT
+49 241 44686-0
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
Rainer
Professional Software Developer
+49 241 44686-0
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Marcel
Professional Software Developer
+49 241 44686-0
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Oliver
Professional Software Developer
+49 241 44686-0
o.wolters@onOffice.com
Sebastian
Professional Software Developer
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s.jacob@onOffice.com
Bastian
Professional Software Developer
+49 241 44686-0
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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
Stephan
Professional Software Developer
+49 241 44 686-0
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Thomas
Professional Software Developer
+49 241 44 686-0
t.krueger@onOffice.com
Alexander
Professional Software Developer
+49 (0)241 44 686-0
a.klein@onOffice.com
Eduard
Professional Software Developer
+49 (0)241 44 686-0
e.paul@onOffice.com
Muthia
Professional Software Developer
+49 241 44686-0
m.alawiyah@onoffice.com
Mark
Professional Software Developer
+49 (0)241 44 686-0
m.bahrenburg@onOffice.com
Kevin
Junior Software Developer
+49 241 44686-0
k.bodenstein@onOffice.com
Yannik
Junior Software Developer
+49 241 44686-0
y.doerner@onOffice.com
Ruth
Junior Software Developer
+49 241 44686-0
r.hofmann@onOffice.com
Massimo
Junior Software Developer
+49 241 44 686-0
m.bevilacqua@onOffice.com
Olea
Trainee
+49 241 44686-0
o.plum@onOffice.com
Rogér
Trainee
+49 241 44686-0
r.paland@onOffice.com
Umedjon
Trainee
+49 (0)241 44 686-0
u.fazylov@onOffice.com
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Dirk
Department Manager
+49 (0)241 44 686-0
d.wielage@onOffice.com
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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Senior Software Developer
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Philipp
Professional Software Developer
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Professional Software Developer
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a.thomsen@onOffice.com
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Professional Software Developer
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d.vandewater@onoffice.com
Stephan
Professional Software Developer
+49 241 44686-0
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Niels
Professional Software Developer
+49 241 44686-0
n.theen@onOffice.com
Alexander
Professional Software Developer
+49 241 44686-0
a.nell@onOffice.com
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Professional Software Developer
+49 (0)241 44 686-0
t.zelleke@onOffice.com
Stefan
Expert Software Developer
+49 241 44686-0
s.becker@onOffice.com
Dominik
Senior Software Developer
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Maximilian
Professional Software Developer
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Marcel
Professional Software Developer
+49 241 44686-0
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Dennis
Professional Software Developer
+49 241 44686-0
d.knops@onOffice.com
Isabelle
Professional Software Developer
+49 241 44 686-0
i.glasmacher@onOffice.com
Julia
Professional Software Developer
+49 241 44686-0
j.bayer@onOffice.com
Lucas
Working Student
+49 241 44686-0
l.schoeppen@onOffice.com
Lukas
Working Student
+49 241 44 686-0
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Christian
Junior Team Manager
+49 241 44 686-1117
c.maus@onOffice.com
Christian
Expert Administrator
+49 241 44686-0
c.kueppers@onOffice.com
Eberhard
Senior Administrator
+49 241 44 686-0
e.ruff@onOffice.com
Markus
Senior Administrator
+49 241 44686-0
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Axel
Professional Administrator
+49 241 44686-0
a.bongard@onOffice.com
Daniel
Professional Administrator
+49 241 44686-0
d.matheis@onoffice.com
Lucas
Professional Administrator
+49 241 44686-0
l.richert@onOffice.com
Pascal
Professional Administrator
+49 241 44686-0
p.bonny@onOffice.com
Marco
Professional Administrator
+49 241 44686-0
+49 (0)172 2063635
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
David
Junior Project Manager
+49 (0)241 446 86-162
d.poth@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
Chris
Professional Data Migrator
+49 241 44686-286
c.eckers@onOffice.com
Mark
Junior Data Migrator
+49 241 44 686-116
m.euteneuer@onoffice.com
Nicolai Weyers
Working Student
+49 241 44 686-116
n.weyers@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
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
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
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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