Business Division Real Estate Agents Germany | South
Sascha Zimmermann
Key Account Manager
+49 241 44 686-158
+49 173 62 76 500
s.zimmermann@onOffice.com
Stefan Oppelt
Customer Relation Manager
+49 241 44 686-178
+49 152 04 79 57 77
s.oppelt@onOffice.com
Adriana Dine
Sales Manager
+49 241 44 686-256
+49 157 30 96 36 46
a.dine@onOffice.com
Stefanie Maus
Sales Manager
+49 241 44 686-1006
+49 162 13 90 194
s.maus@onOffice.com
Simon Viehöver
Sales Manager
+49 241 44686-1062
s.viehoever@onOffice.com
Besmir Dizdari
Sales Manager
+49 241 44 686-1137
+49 162 24 00 695
b.dizdari@onOffice.com
Dana Wego
Customer Relation Manager
+49 241 44 686-154
+49 (0)173 56 17 567
d.wego@onOffice.com
Benedikt Johannes Steffes
Working Student
+49 (0)241 44 686-1021
b.steffes@onOffice.com
Business Division Real Estate Agents Germany | West
Jannik Jeschka
Senior Customer Relation Manager
+49 241 44 686-146
+49 172 87 10 655
j.jeschka@onOffice.com
Marc Dossing
Senior Sales Manager
+49 241 44 686-281
+49 157 88 23 74 87
m.dossing@onOffice.com
Patrick Makowe
Senior Sales Manager
+49 241 44 686-0
+49 173 16 71 873
p.makowe@onOffice.com
Ardit Hiseni
Sales Manager
+49 241 44 686-1060
+49 162 24 81 273
a.hiseni@onOffice.com
Raana Ahmadian
Customer Relation Manager
+49 241 44 686-1007
+49 162 13 72 177
r.ahmadian@onOffice.com
Yannick Dobbelstein
Junior Customer Relation Manager
+49 241 44 686-1089
y.dobbelstein@onOffice.com
Simon Ölmez
Trainee
+49 (0)241 44 686-1086
s.oelmez@onOffice.com
Jan Bohne
Trainee
+49 (0)241 44 686-598
j.bohne@onOffice.com
Business Division Real Estate Agents Germany | Middle & East
Janina Nettelmann
Key Account Manager
+49 241 44 686-1008
+49 162 13 91 537
j.nettelmann@onOffice.com
Laura Mertens
Senior Customer Relation Manager
+49 241 44 686-183
+49 162 20 81 006
l.mertens@onOffice.com
Yonca Koc
Junior Customer Relation Manager
+49 241 44 686-102
+49 174 30 98 699
y.koc@onOffice.com
Aida Dizdari
Customer Relation Manager
+49 241 44 686-1125
+49 172 20 59 915
a.dizdari@onOffice.com
Amanda Jagodic
Junior Sales Manager
+49 241 44 686-1004
a.jagodic@onOffice.com
Ali Karakoc
Junior Sales Manager
+49 241 44 686-137
+49 173 16 61 772
a.karakoc@onOffice.com
Bastian Dohlen
Trainee CBS
+49 (0)241 44 686-1119
+49 (0)152 55 13 89 64
b.dohlen@onOffice.com
Business Division Real Estate Agents Germany | North
Bernd Gregor
Key Account Manager
+49 40 77 18 509-97
+49 160 90 30 01 00
b.gregor@onOffice.com
Henning Hartmann
Senior Customer Relation Manager
+49 241 44 686-298
+49 176 47 71 43 68
h.hartmann@onOffice.com
Andreas Gieltowski
Junior Customer Relation Manager
+49 241 44 686-1033
+49 162 67 13 425
a.gieltowski@onOffice.com
Max Schijns
Junior Sales Manager
+49 241 44 686-1120
+49 173 60 16 850
m.schijns@onOffice.com
Isabell Dederichs
Trainee CBS
+49 241 44 686-1046
+49 152 04 35 95 21
i.dederichs@onOffice.com
International Business Management
Leonarda Mingirulli
International Business Manager
+49 241 44 686-1040
+49 162 13 20 478
l.mingirulli@onOffice.com
Mudashiru Salvador
International Business Manager
+49 241 44 686-1020
+49 162 24 07 816
m.salvador@onOffice.com
Sara Corradi
International Business Manager
+39 (011) 192704-23
s.corradi@onOffice.com
Steffen Dreher
International Business Administrator
+49 241 44 686-131
+49 162 10 58 765
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
+49 241 44 686-1126
f.kerkmann@onOffice.com
Adrian Tennessee
Assistant International Business Administrator
+49 (0)241 44 686-247
a.tennessee@onOffice.com
Jan Slodowy
Trainee CBS
+49 241 44686-1048
j.slodowy@onOffice.com
Customer Care
A personal customer relationship is very important to us: Therefore, our Customer Care team takes care of the heart of onOffice, namely our customers! Do you have any requests, a personal concern or do you need advice regarding products, events or similar? Our Customer Care team will be happy to take care of it.
Matthias Peikert
Customer Care Manager
+49 241 44 686-0
+49 173 58 38 141
m.peikert@onOffice.com
Isabelle Nikolić
Customer Care Manager
+49 241 44 686-182
i.nikolic@onOffice.com
Katharina Lühring
Junior Customer Care Manager
+49 (0)241 44 686-1039
+49 (0)172 20 56 035
k.luehring@onOffice.com
Lukas Schaumann
Junior Customer Care Manager
+49 241 44 686-1076
l.schaumann@onOffice.com
Customer Solutions
With individual support, we ensure the long-term success of our major customers.
Bang Phi Diep
Junior Team Manager
+49 241 44686-125
b.diep@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
Karsten Korthus
Junior Solutions Consultant
+49 241 44686-1070
k.korthus@onOffice.com
Sebastian Dziwisch
Junior Solutions Consultant
+49 241 44 686-1099
s.dziwisch@onOffice.com
Carmela Bruno
Junior Solutions Consultant
+49 241 44 686-0
c.bruno@onOffice.com
Kaan Yagmur
Junior Solutions Consultant
+49 241 44 686-1123
k.yagmur@onOffice.com
Marketing - yes we can!
Sure, marketing is a well known term. The onOffice marketing department is responsible for the overall communication. It is the contact platform name for press and media. We are in charge of the onOffice print and online media ranging from flyers to newsletters, from the digital information to all sorts of campaigns and events. We further keep one eye on branch-related occurrences and analyze the real estate market. We are the ones developping company goals and implement them strategically.
Inga Keuenhof
Department Manager Marketing
+49 241 44 686-258
i.keuenhof@onOffice.com
Kira
Junior Team Manager
+49 241 44686-176
k.wolters@onOffice.com
Beate
Senior Product Marketing Manager
+49 241 44686-159
b.boeker@onOffice.com
Julia
Marketing Manager
+49 241 44 686-207
j.mannheims@onOffice.com
Tobias
Marketing Manager
+49 241 44686-0
t.mantl@onOffice.com
Philina
Marketing Manager
+49 241 44686-143
p.hittich@onOffice.com
Carolin
Marketing Manager
+49 241 44686-205
c.muenstermann@onOffice.com
Sarah
Marketing Manager
+49 241 44 686-132
s.goerres@onOffice.com
Francesco
Marketing Manager
+49 (0)241 44 686-1061
+49 (0)174 2110365
f.rigano@onoffice.com
Jennifer Maria Dzwonkowski
Junior Marketing Manager
+49 241 44686-202
+49 152 29791377
j.dzwonkowski@onOffice.com
onOffice Academy
Training courses are planned, organized and implemented in our onOffice Academy. We always keep an eye on current market developments and offer webinars on software and the most important topics in the international real estate industry. The transfer of knowledge to customers and interested parties comes first.
Caroline
Leader onOffice Academy
+49 241 44 686-184
+49 157 50 71 61 80
c.kailuweit@onOffice.com
Katharina
Senior Academy Marketing Manager
+49 241 44686-206
k.niemann@onOffice.com
Margit
Marketing Manager
+49 241 44686-168
m.forsbach@onOffice.com
Web: It's all yours!
Its layout and structure is the first visual impression your clients receive. It is like the fishing rod you throw out into the world. In order for us to understand your profile and vision, we like to have a personal contact in the first hand. The design and following implementation process requires your feedback. We strive for a professional and unique appearance of your business. We are happy, when you are happy!
Claudio Zizi
Team Manager
+49 241 44686-0
c.zizi@onOffice.com
Kambiz
Project & Customer Manager
+49 241 44686-0
k.javadi@onOffice.com
Diana
Project & Customer Manager
+49 241 44 686-0
d.carrera@onoffice.com
Mario
Project & Customer Manager
+49 241 44 686-0
m.migliore@onOffice.com
Helene
Webdeveloper
+49 241 44686-0
h.neufeld@onOffice.com
Monika
Webdesigner
+49 241 44686-0
m.radermaker@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
Ugur
Webdeveloper
+49 241 44686-0
u.toeman@onOffice.com
Oğuz
Webdeveloper
+49 (0)241 44 686-0
o.akankan@onOffice.com
Benjamin
Professional Webdeveloper
+49 241 44 686-0
b.zekavica@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
Rathiesh
Junior Webdeveloper
+49 241 44 686-0
r.thuthiananthan@onOffice.com
Marie Sophie
Junior Webdeveloper
+49 241 44 686-0
m.maassen@onOffice.com
Christina
Trainee
+49 241 44 686-0
c.graaf@onOffice.com
Aaron
Trainee
+49 241 44 686-0
a.friedrich@onOffice.com
Sophie
Trainee
+49 241 44 686-0
s.gallmueller@onOffice.com
Lilly
Trainee
+49 241 44686-0
l.jansen@onOffice.com
Online Marketing
Our online marketing team plans and implements digital campaigns for onOffice and customer websites. Whether classic search engine optimization, SEA, social media support or creative texts: Our team is at home in the world of online marketing and supports brokers in all relevant disciplines. We develop customized strategies for our clients' online presence that generate more traffic and leads.
Karsten Stickel
Department Manager Online Marketing
+49 241 44686-0
k.stickel@onOffice.com
Marie
Team Manager Online Marketing
+49 241 44686-0
m.mertens@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
Michelle
Professional Content & SEO Manager
+49 241 44 686-0
m.goeckmann@onOffice.com
Julia
Professional Content Marketing Manager
+49 241 44 686-0
j.fastnacht@onOffice.com
Rafaela
Professional Online Marketing Manager
+49 241 44 686-0
r.heck@onOffice.com
Katrin
Professional Online Marketing Manager
+49 241 44 686-0
k.erz@onOffice.com
Anne
Professional Online Marketing Manager
+49 (0)241 44 686-0
a.cueppers@onOffice.com
Christian
Professional Online Marketing Manager
+49 (0)241 44 686-0
c.hermanns@onOffice.com
Lisa
Junior SEO & Content Manager
+49 241 44686-0
l.henke@onOffice.com
Angelina
Junior Social Media Manager
+49 241 44 686-0
a.spiess@onOffice.com
Nicole
Junior Online Marketing Manager
+49 (0)241 44 686-0
n.stumpf@onOffice.com
Franziska
Junior Content & SEO Manager
+49 (0)241 44 686-0
f.krug@onOffice.com
Tizia
Assistant Online Marketing Manager
+49 (0)241 44 686-0
t.jungjohann@onOffice.com
Franziska
Assistant Online Marketing Manager
+49 241 44 686-0
f.ruettgers@onOffice.com
Katharina
Student asst. SEO & Content
+49 241 44 686-0
k.ehm@onOffice.com
Business administration
Administrative and organizational: The friendly employees of the Business Administration team form the basis for the smooth running of our operations. Whether general information, data record maintenance or concerns about the software - the secretariat serves as the first point of contact.
Anna
Team Manager
+49 241 44686-0
a.wetten@onOffice.com
Laura
Junior Team Manager
+49 241 44 686-274
+49 157 38 81 28 60
l.frings@onOffice.com
Christina
Business Administrator
+49 241 44686-0
c.schueltke@onOffice.com
Claudia
Business Administrator
+49 241 44686-0
c.schiffer@onOffice.com
Diana
Business Administrator
+49 241 44 686-0
d.hoenings@onoffice.com
Eda-Nur
Business Administrator
+49 241 44 686-0
e.sarikurt@onoffice.com
Joanna
Business Administrator
+49 241 44 686-0
j.lennartz2@onoffice.com
Max
Business Administrator
+49 241 44 686-0
m.wellnitz@onOffice.com
Verena
Property Management
+49 241 44686-126
v.mahr@onOffice.com
Stephanie Paulissen
Junior Business Administrator
+49 241 44 686-106
s.paulissen@onOffice.com
Alexandre
Adress Manager
+49 241 44 686-1056
a.roschanzamir@onOffice.com
Cornelia
Address Manager
+49 (0)241 44 686-1128
c.beitmueller@onOffice.com
Janina Lennartz
Address Manager
+49 241 44 686-1065
j.lennartz@onOffice.com
Celina
Trainee CBS
+49 241 44 686-1102
c.garcia@onOffice.com
Raja Nia
Trainee CBS
+49 241 44 686-0
r.mueller@onoffice.com
Sarah
Trainee
+49 241 44686-0
s.conrad@onOffice.com
Justin
Trainee
+49 241 44 686-21
j.giesecke@onOffice.com
Vlora
Trainee
+49 241 44 686-0
v.beciri@onOffice.com
Isabel
Organisation
+43 1 361 98 57-0
+43 699 10 44 53 71
i.kaas@onOffice.com
Human Resource & Development
onOffice strives to grow continuously and to get better and better everywhere. A newly established department focuses on all topics related to human resources, the recruitment of new employees and the continuous development of the company into the market leader for real estate software..
Christian
Department Manager Human Resource & Development
+49 241 44686-130
c.maehringer@onOffice.com
Claudia
Senior Payroll Specialist
+49 241 44686-0
c.bicanic@onOffice.com
Saskia
Senior Human Resource Manager
+49 241 44 686-0
s.ohler@onOffice.com
Dirk Jörg
Marketing Manager Human Resource
+49 (0)241 44 686-174
d.joeris@onOffice.com
Julia
Junior Human Resource Manager
+49 (0)241 44 686-177
j.ohler-akyol@onOffice.com
Susanne Tiarks
In-house English Language Trainer
+49 241 44 686-1122
s.tiarks@onOffice.com
Lena
Trainee CBS
+49 241 44 686-1063
le.breuer@onOffice.com
Software Development & Operation
The Software Development & Operation department is responsible for the further development, maintenance, care and quality assurance of the software. New functions, modules and adaptations are developed in cooperation with our product management. In the Operations and Maintenance areas, releases and beta uploads are carried out, bugs are fixed and the software is continuously optimized at its core. In order to be able to offer our customers a fully developed product range, our Quality Assurance department tests all innovations. Here, all features are put through their paces and documented before they are launched on the market.
Dirk
Department Manager Software Development & Operation
+49 241 44 686-0
+49 176 84 56 56 53
d.wielage@onOffice.com
Jan
Department Manager Software Development & Operation
+49 241 44686-0
j.posselt@onOffice.com
Patrick
Team Manager
+49 241 44686-0
p.bohn@onOffice.com
Florian
Junior Team Manager
+49 241 44686-0
f.thelen@onOffice.com
Andreas
Junior Team Manager
+49 241 44686-0
a.amberg@onOffice.com
Daniel
Junior Team Manager
+49 241 44686-0
d.fischer@onOffice.com
Isabelle
Junior Team Manager
+49 241 44 686-0
i.glasmacher@onOffice.com
Ralf Schwenk
Junior Team Manager
+49 241 44686-212
r.schwenk@onOffice.com
Ferhat
Junior Team Manager
+49 241 44686-0
f.deliktas@onOffice.com
Philipp
Junior Team Manager
+49 241 44686-0
p.koulen@onOffice.com
Stefan
Expert Software Developer
+49 241 44686-0
s.becker@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
Ana
Senior Software Developer
+49 241 44686-0
a.ivanova@onOffice.com
Tjalf
Senior Software Developer
+49 241 44686-0
t.hoffmann@onOffice.com
Dominik
Senior Software Developer
+49 241 44686-0
d.kaisers@onOffice.com
Jakob
Senior Software Developer
+49 241 44686-0
j.jungmann@onOffice.com
Jens
Senior Software Developer
+49 241 44686-0
j.stormberg@onOffice.com
Rainer
Senior Software Developer
+49 241 44686-0
r.gimpel@onOffice.com
Marie
Senior Software Developer
+49 241 44686-0
m.certa@onOffice.com
Marcel
Senior Software Developer
+49 241 44686-0
m.peiffer@onOffice.com
Domenik
Professional Project Coordinator – IT
+49 241 44686-0
d.glum@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
Junior Quality Assurance Manager
+49 (0)241 44 686-0
p.brings@onOffice.com
Oliver
Professional Software Developer
+49 241 44686-0
o.wolters@onOffice.com
Sebastian
Professional Software Developer
+49 241 44686-0
s.jacob@onOffice.com
Kevin
Professional Software Developer
+49 241 44686-0
k.roderburg@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
s.janssen@onOffice.com
Thomas
Professional Software Developer
+49 241 44 686-0
t.krueger@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
Andrej
Professional Software Developer
+49 241 44686-0
a.thomsen@onOffice.com
Niels
Professional Software Developer
+49 241 44686-0
n.theen@onOffice.com
Stephan
Professional Software Developer
+49 241 44686-0
s.johach@onOffice.com
Maximilian
Professional Software Developer
+49 241 44686-0
m.gerz@onOffice.com
Marcel
Professional Software Developer
+49 241 44686-0
m.werheid@onOffice.com
Dennis
Professional Software Developer
+49 241 44686-0
d.knops@onOffice.com
Julia
Professional Software Developer
+49 241 44686-0
j.bayer@onOffice.com
Sebastian
Professional Software Developer
+49 241 44 686-0
s.schulz@onOffice.com
Yannik
Professional Software Developer
+49 241 44686-0
y.doerner@onOffice.com
Ruth
Professional Software Developer
+49 241 44686-0
r.hofmann@onOffice.com
Anton Frost
Professional Software Developer
+49 (0)241 44 686-0
a.frost@onOffice.com
Massimo
Junior Software Developer
+49 241 44 686-0
m.bevilacqua@onOffice.com
Rogér
Junior Software Developer
+49 241 44686-0
r.paland@onOffice.com
Olea
Trainee
+49 241 44686-0
o.plum@onOffice.com
Umedjon
Trainee
+49 (0)241 44 686-0
u.fazylov@onOffice.com
Damian
Trainee
+49 (0)241 44 686-0
d.stefan@onOffice.com
Julian
Trainee Fachinformatiker Anwendungsentwicklung
+49 (0)241 44 686-0
j.enkirch@onOffice.com
Jonas
Trainee Fachinformatiker Anwendungsentwicklung
+49 241 44 686-0
j.maffei@onOffice.com
Lucas
Working Student
+49 241 44686-0
l.schoeppen@onOffice.com
Lukas
Working Student
+49 241 44 686-0
l.gonnermann@onOffice.com
Nico
Working Student
+49 (0)241 44 686-0
n.jaeger@onOffice.com
We are looking for new Team members
To become part of our Development Team? Then you can find more information here.
» To the Job offer
bewerbung@onOffice.de
Project & Process Controlling
The Project & Process Controlling team is responsible for project controlling and process quality across all areas of onOffice. The team's mission is to identify potential for improvement and implement it through optimization projects.
Kristin
Team Manager IT – Project & Process Controlling
+49 (0)241 44 686-0
k.schneider@onOffice.com
Silke
Senior Professional Project & Process Controller
+49 (0)241 44 686-0
s.vonbracht@onOffice.com
Christine
Professional Project & Process Controller
+49 241 44686-0
c.muellmann@onOffice.com
Olga
Professional Project & Process Controller
+49 241 44 686-0
o.klassen@onOffice.com
Security & Privacy
For all our security: We take the topics of data protection and IT security very seriously and have been treating them with increasing importance over the past few years.
Matthias
Senior Software Developer / Data protection & security officer
+49 241 44686-0
m.menne@onOffice.com
Care team - diligent angels in action
Our Care team is an important part of the onOffice team. The proficient manpower enable us to create a productive working atmosphere. The care team ensure a steady, general well-being in our facilities.
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
Management Board – the key to success
A good team cannot be successful without a competent leadership. The head of our company provides the strategic objectives and delivers goal-oriented corporate management. Compared to sports : the coach determines the effective use of all resources, whereas the entire team ensures and develops the quality of their services.
Stefan Mantl
Owner & CEO
+49 241 44 686-0
+43 676 72 24 473
s.mantl@onOffice.com
Janosch Reuschenbach
CTO
+49 241 44 686-235
+49 151 42 54 55 45
j.reuschenbach@onOffice.com
Marius Siegmund
COO
+49 241 44 686-295
+49 160 89 96 139
m.siegmund@onOffice.com
Management Board Assistent
Our assistants work together with the board of directors, the head of onOffice. They are an important pillar of the company, since they not only assist with day-to-day business, but ensure the smooth opertation of all internal and external to-do's. They further coordinate cross-departmental projects of the company.
Kristina Andresen
Assistant CEO & Officer with Statutory Authority
+49 241 44 686-220
+49 173 82 91 768
k.andresen@onOffice.com
Supervisory Board - our consulting experts
The most important role of our Supervisory Board is to advise the Management Board and approve important business transactions. Through a regular exchange with the Management Board, our Supervisory Board is informed about business development, strategy and business planning.
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
