Business Division Real Estate Agents Germany

Dennis Frings
Team Manager Business Division Real Estate Agents
+49 241 44686-252
+49 178 8917317
d.frings@onOffice.com
Business Division Real Estate Agents Germany | South

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

Nina Schön
Trainee
+49 (0)241 44 686-135
+49 (0)157 54772342
n.schoen@onOffice.com
Business Division Real Estate Agents Germany | West

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
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 (0)162 2481273
a.hiseni@onOffice.com

Jessica-Kathrin Kazubek
Trainee
+49 241 44686-115
+49 176 44264773
j.kazubek@onOffice.com
Business Division Real Estate Agents Germany | East/Middle

Janina Pohl
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

Yonca Sahin
Junior Customer Relation Manager
+49 241 44686-102
+49 174 3098699
y.sahin@onOffice.com

Ali Karakoc
Trainee
+49 241 44686-137
+49 173 1661772
a.karakoc@onOffice.com
Business Division Real Estate Agents Germany | North

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

Isabell Dederichs
Trainee
+49 241 44686-1046
i.dederichs@onOffice.com
Business Division Banks Germany

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

Mudashiru Salvador
Sales Manager
+49 241 44686-1032
+49 162 2396601
m.salvador@onOffice.com

Robin Lenzen
Working Student
+49 241 44686-117
+49 17644264603
r.lenzen@onoffice.com
Business Division International

Fredi Gabro
Junior Sales Manager Austria
+43 (1) 361 98 57-23
+43 676 3900166
f.gabro@onOffice.at

Milo Salso
Sales Manager Österreich
+43 1 361 98 57-27
m.salso@onOffice.at

Dominic Campbell
Junior Sales Manager Österreich
+43 1 361 98 57-26
d.campbell@onOffice.at

Kay Haberfellner
Sales Manager Spain
+49 241 44686-150
k.haberfellner@onOffice.es

Thomas Fabry
Senior Sales Manager Switzerland
+49 (0)241 44 686-251
+49 (0)176 20758648
t.fabry@onOffice.com

Tereza Sola
Sales Manager Schweiz
+41 31 555 58 11
+41 784 034334
t.sola@onOffice.ch

Patrick Eggimann
Sales Manager Schweiz
+41 31 555 58 11
p.eggimann@onOffice.ch

Danushanthi Sothilingam
Sales Manager Schweiz
+41 31 555 58 11
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

Leonarda Mingirulli
Junior International Business Administrator
+49 241 44686-1040
l.mingirulli@onOffice.com

Philippe Lepelmann
EUFH Trainee
+49 241 44686-216
p.lepelmann@onOffice.com
Customer Solutions
With individual support, we ensure the long-term success of our major customers.

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

Rostislav Rud
Junior Solutions Consultant
+49 241 44686-162
r.rud@onOffice.com

Christoph Hohmann
Junior Solutions Consultant
+49 241 44686-1010
+49 176 61084573
c.hohmann@onoffice.com

Christoph Kähmer
Junior Solutions Consultant
+49 (0)241 44 686-0
c.kaehmer@onoffice.com

Bang Phi Diep
Junior Solutions Consultant
+49 (0)241 44 686-0
b.diep@onoffice.com

Alexander Cofala
Assistant Solutions Consultant
+49 241 44686-264
a.cofala@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.

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
Junior Marketing Manager
+49 241 44686-176
k.wolters@onOffice.com

Francesco
Junior Marketing Manager
+49 241 44686-148
f.rigano@onoffice.com

Jana
Junior Marketing Manager
+49 241 44686-114
j.bosman@onOffice.com

Aycan Bozoglan
Trainee
+49 241 44686-270
+49 163 8336323
a.bozoglan@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.

Thomas
Leader onOffice Academy
+49 241 44686-1041
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
Websites & SEO: 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!

Pawel Strzyzewski
Department Manager Webdesign
+49 241 44686-0
p.strzyzewski@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

Martin Knorr
Team Manager Wordpress & Product
+49 241 44 686-0
m.knorr@onOffice.com

Kristin
SEO & Content Manager
+49 241 44686-0
k.schneider@onOffice.com

Silke
Project- and process control asst.
+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
Webdesigner
+49 241 44686-0
k.javadi@onOffice.com

Hatip
User Experience Designer
+49 241 44686-0
h.celik@onOffice.com

Johannes
User Experience Designer
+49 (0)241 44 686-0
j.maas@onOffice.com

Thomas
Project & Customer Manager
+49 (0)241 44 686-0
t.knappe@onOffice.com

Dennis
Online-Marketing Manager
+49 (0)241 44 686-0
d.sabala@onOffice.com

Helene
Webdeveloper
+49 241 44686-0
h.neufeld@onOffice.com

Kristian
Webdeveloper
+49 (0)241 44 686-0
k.pospis@onOffice.com

Anja
Webdeveloper
+49 (0)241 44 686-0
a.moeller@onOffice.com

Renaldo
Junior Webdeveloper
+49 241 44686-0
r.perez@onOffice.com

Carsten
Junior Webdeveloper
+49 241 44686-0
c.kozuschek@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

Rathiesh
Assistant Webdeveloper
+49 (0)241 44 686-0
r.thuthiananthan@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 (0)241 44 686-0
r.kryczka@onOffice.com

Fabio
SEO & Content Manager Italien
+49 241 44686-1039
f.catanese@onOffice.com

Jessica
Junior Tech-SEO-Manager
+49 241 44686-0
j.rick@onOffice.com

Bahija
Junior Online-Marketing Manager
+49 241 44686-109
b.mistrih@onOffice.com

Rafaela
Junior Online-Marketing Manager
+49 (0)241 44 686-0
r.heck@onOffice.com

Katrin
Junior Online-Marketing Manager
+49 (0)241 44 686-0
k.erz@onOffice.com

Svenja
Assistant SEO Manager
+49 241 44686-0
s.motter@onOffice.com

Michelle
Assistant SEO Manager
+49 241 44 686-0
m.goeckmann@onOffice.com

Julia
Assistant SEO Manager
+49 241 44 686-0
j.fastnacht@onOffice.com

Jan
Assistant SEO Manager
+49 241 44686-0
j.vandaal@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 (0)241 44 686-0
k.ehm@onOffice.com
Our administrations office
Our friendly adminstriation is a main pillar for the smooth progress of our business. Whether you are looking for general information or you have concerns with regard to the software, we are eager to serve as a first contact point. We lead you to an appropriate contact person and department. Please do not hesitate to contact us!

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 (0)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

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 (0) 699 10445371
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

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 (0)241 44 686-0
s.ohler@onOffice.com

Lena
Trainee
+49 241 44686-107
l.vonbaum@onOffice.com
Management IT & Development

Janosch Reuschenbach
Director IT and Development
+49 241 44686-235
+49 151 42545545
j.reuschenbach@onOffice.com
Data protection and IT security
For the security of all of us: We take the topics of data protection and IT security very seriously and have been treating them with increasing importance over the last few years.

Matthias
Senior Software Developer / Data protection & security officer
+49 241 44686-0
m.menne@onOffice.com
IT organization
Our IT organization is the interface of IT to customers and external cooperation partners. In case of queries from the areas of development, API support or cooperation, the IT organization is the first point of contact.

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
Product Development
Product Development is responsible for the further development of our software. In cooperation with our product management, new functions, modules and adaptations are implemented here.

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

Jens
Senior Software Developer
+49 241 44686-0
j.stormberg@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

Stephan
Professional Software Developer
+49 241 44686-0
s.johach@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.thesing@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

Muthia
Junior Software Developer
+49 241 44686-0
m.alawiyah@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
Trainee
+49 241 44686-0
r.hofmann@onOffice.com

Fabian
Trainee
+49 241 44686-0
f.mueck@onOffice.com

Olea
Trainee
+49 241 44686-0
o.plum@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
TecOps
The TecOps division takes care of the maintenance, service and operation of the software. Releases and beta-uploads are done here, bugs are fixed and the existing software is improved. This is achieved by technical advancements in the core of the software as well as by detail optimizations on the surface.

Andreas
Junior Team Manager
+49 241 44686-0
a.amberg@onOffice.com

Daniel
Junior Team Manager
+49 241 44686-0
d.fischer@onOffice.com

Jakob
Senior Software Developer
+49 241 44686-0
j.jungmann@onOffice.com

Andrej
Professional Software Developer
+49 241 44686-0
a.thomsen@onOffice.com

David
Professional Software Developer
+49 241 44686-0
d.vandewater@onoffice.com

Niels
Professional Software Developer
+49 241 44686-0
n.theen@onOffice.com

Lukas
Professional Software Developer
+49 (0)241 44 686-0
l.gonnermann@onOffice.com

Alexander
Junior Software Developer
+49 241 44686-0
a.nell@onOffice.com

Stefan
Expert Software Developer
+49 241 44686-0
s.becker@onOffice.com

Dominik
Senior Software Developer
+49 241 44686-0
d.kaisers@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

Isabelle
Professional Software Developer
+49 (0)241 44 686-0
i.glasmacher@onOffice.com

Julia
Junior Software Developer
+49 241 44686-0
j.bayer@onOffice.com

Rogér
Trainee
+49 241 44686-0
r.paland@onOffice.com

Lucas
Trainee
+49 241 44686-0
l.schoeppen@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

Maria
Care-Team Austria
Management - 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
CEO
+49 241 44686-0
+43 676 7224473
s.mantl@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 44686-220
+49 173 8291768
k.andresen@onOffice.com

Yvonne
Team Assistant
+49 241 44686-0
y.gaebler@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