We are constructing the new S4 line for you

Amina Karam is the public face of the S4, and she is just as international as Germany's main port city. She joined the project as General Project Director on 1 February 2021. Originally from Morocco, she is now back in Germany after spending several years outside the country, her adopted home. Not only is she fluent in German, Arabic, French and English, but she is also a communicative and hands-on manager who is keenly aware of how important the new S4 is for the entire Hamburg region. 

Overall Project Management

Amina Karam
General Director S-Line S4 &
High-Performance-Corridor Hamburg-Lübeck

"I want to strengthen the partnership between our project team, the central and state governments, the participating construction companies and the public so that, together, we can focus on the S4 project and successfully achieve our collective goals." 

Amina Karam

We are the S4-Team   

Working together for a common goal – the construction of the new line S4. This page names the key members of the project team. 

Peter Mantik is responsible for the S4 project's PR work. You can contact him by e-mail or phone at +49 (0) 40 3918 4449. 

Executive Department

Katrin Richter
Katrin RichterAssistant to the General Project Director & Communication Specialist
Carolyn Blank
Carolyn BlankTeam Assistant
Amina Benbetka
Amina Benbetka Project Engineer Quality & Process Management
Karl-Jürgen Knoth
Karl-Jürgen KnothProject Risk Analysis 
& Contracts
(on behalf of DB)
Catrin Yazdani
Catrin YazdaniSenior
Change Manager

Building Approval Procedure & Common Law Affairs

Nic Wetzel
Nic WetzelTeamlead 
Area & Property Management
(Section 2 & 3)
Volker-Roger Schweitzer
Volker-Roger SchweitzerArea & Property Management
(Section 1)
Lara RosenkranzArea & Property
Management (Contract follow-up 
& payment processing)
Sophie Schulze
Sophie SchulzeJunior
Area & Property Management
(Individual measures)

Communication and Press

Pia Haskamp
Pia HaskampTeamlead
Elena Ahrens
Elena AhrensSpecialist 
Lisa Schallwig
Lisa SchallwigSpecialist

Peter Mantik
Peter MantikPress Officer Infrastructure Communications
Michaela Klauer
Michaela KlauerInfrastructure Communications

Management of Organisational Units and Staff 

Kerstin Bernau
Kerstin BernauHead of Technical Department / 
Back Office
Kerstin Thomsen
Kerstin ThomsenHead of 
Construction Section 1 and 3 
Cassandra Möhring
Cassandra MöhringHead of Construction Operations and Commissioning
Armin Ismic
Armin IsmicHead of Railway Engineering 
(Superstructure / Railway, 
Cable Ungerground Engineering, Environment)
Michael Kablitz
Michael KablitzHead of Planning 
Mohamed Rafik
Mohamed RafikHead of Rail Technology (Equipment Engineering, LST & ETCS
Elnaz Ranjgari
Elnaz RanjgariHead of Cost-Controlling & Riskmanagement
Steffen Vogel
Steffen VogelHead of GSH Hamburg-Lübeck

Construction Operation and Commissioning 

Feodor Killikh
Feodor KillikhProject Engineer Construction Commissioning

Project Management for Construction Sections

Construction Section 1

Janina Trampf
Janina TrampfDepartment Manager
Structural Engineering & Station Construction

Mohamed Eleskandrany
Mohamed EleskandranyProject Engineer
Fahad Seemab
Fahad SeemabProject Engineer
Ahsen-Nur Essiz
Ahsen-Nur EssizProject Engineer

Construction Section 2

Mohamed Nadjib Khellouf
Mohamed Nadjib KhelloufDepartment Manager
Structural Engineering & Station Construction
Ahmed Abdelhamid Taha Ali
Ahmed Abdelhamid Taha AliDepartment Manager
Structural Engineering & Station Construction

Karine Audrey Nnomoko
Karine Audrey NnomokoProject Engineer

Construction Section 3

Petra Nienaber
Petra NienaberDepartment Manager
Structural Engineering & Station Construction

Torben Westermann
Torben WestermannProject Engineer
Structural Engineering & Station Construction
Jana Röhrs
Jana RöhrsProject Engineer
Section 3 
Jan Dombrowski
Jan DombrowskiProject Engineer

Rail Technology 

Tino Danner
Tino DannerDepartment Manager
Electromechanical Engineering
Dustin Heußmann
Dustin HeußmannDepartment Manager
Electromechanical Engineering

Christian Bruhn
Christian BruhnProject Engineer 
Rail Technology
Metin Erkan
Metin Erkan Project Engineer
Electromechanical Engineering & Engineer Control-Command
Tim Burmester
Tim BurmesterProject Engineer
Electromechanical Engineering 
Mohamed Hassan
Mohamed HassanProject Engineer Upper Structure

Pipeline & Cable Crossings

Arber Bytyqi
Arber BytyqiProject Engineer
Pipeline, Cable Crossings & Rail Crossings

Contract and claims management

Dominik Groh
Dominik GrohSenior Contract &
Claims Manager
Horst Röttgen
Horst RöttgenContract &
Claims Management
(on behalf of DB)

Technical Department / Back Office

Kirsten Lange
Kirsten LangeHead of
 Technical Department HLK & ABS Pinneberg-Elmshorn
Stella Tran
Stella TranDepartment Manager Project Planning, Procuring and Allocation

Fabián Marín
Fabián MarínProject Engineer 
Project Planning 
Marc Hecht
Marc HechtProject Engineer Technical Department
Karin Teucher
Karin TeucherTeam Assistant
Nicole Michalski
Nicole MichalskiTeam Assistant
Cornelia Eggers
Cornelia EggersProject Engineer 
Documentation Management
Hubert Josch
Hubert JoschProject Engineer 
Risk Management
Sümeyye Bataray
Sümeyye BatarayProject Engineer 
Project Planning
Nawid Barak
Nawid BarakProject Engineer 
Project Planning
Severin Bantle
Severin BantleProject Engineer 
Costs, Finances & Risks
Laurenz Kempa
Laurenz KempaProject Engineer 
EKrG Measures and Line Crossings
Amir Mujagic
Amir MujagicProject Engineer 
EKrG Measures and Line Crossings

Environment, Geology and Waste Disposal Department

Laura Schneider
Laura SchneiderTeamlead

Patrick Menning
Patrick MenningSpecialist Environment 
Larissa Motyl
Larissa MotylSpecialist Environment

Financial Management Team

Matthias Oetting
Matthias OettingHead of Financial 
Project Management

Insa Halupczok
Insa Halupczok Department Manager Financial Project Management

Michael Salchow
Michael SalchowFinancial Project Management
Swantje Hochreiner
Swantje HochreinerFinancial Project Management
Jasper Schulz
Jasper SchulzFinancial Project Management
Sandra S. Lopez
Sandra S. LopezFinancial Project Management
Niklas Jäger
Niklas JägerFinancial Project Management
Patrick Hanke
Patrick HankeFinancial Project Management
Juliane Giehler
Juliane GiehlerFinancial Project Management
Barbora Paulsen
Barbora PaulsenFinancial Project Management
Leonie DrewesFinancial Project Management

Construction & Supervision 

Ehsan Ahmadi
Ehsan AhmadiConstruction Office Manager
Khalid El-Dawi
Khalid El-DawiConstruction Office Manager
Stefan Petersen
Stefan PetersenHead Construction Supervisor 
Torben Oeser
Torben OeserHead Construction Supervisor KIB
Dorian Hampel
Dorian HampelHead Construction Supervisor Environment
Leonard-Vincent Brüning
Leonard-Vincent BrüningHead Construction Supervisior LST

Kristin Gruber
Kristin GruberSchedule Monitoring
Fritz Timm
Fritz TimmConstruction Supervision E-Technology
Christian Heinz-Schulz
Christian Heinz SchulzConstruction Supervision LST
Daniela Moreno
Daniela MorenoConstruction Supervision Top-Structure
Hans Dietrich
Hans DietrichConstruction Supervision Environment
Simon Wüstefeld
Simon WüstefeldConstruction Supervision Geotechnics
Torsten Hinsch
Torsten HinschOperations
Candy Schröder
Candy SchröderAccounting
Sandro Schütze
Sandro SchützeResource Management
Dr Christine Bahr
Dr Christine BahrWaste Management 
(Competenza GmbH – on behalf of DB)

Students working on the S4 project 

Kilian Schulze
Kilian SchulzeDual Student
Electromechanical Engineering 

Our S4 project partners

The S4 project is a joint undertaking between the German states of Hamburg and Schleswig-Holstein.

Different ministries and public bodies in these states oversee the building of the new suburban rail line to Bad Oldesloe. We have listed the main contacts here. 

BMV logo
Hamburger's authority for Transport and New Mobility (BVM)Known as BVM (Behörde für Verkehr und Mobilitätswende), Hamburg's authority for transport and new mobility makes sure the city stays mobile. It is helping to finance the new S4. BVM representatives are also involved in the decision-making process because their goal is to strengthen the Hamburg region's transport network.More information
Logo of Schleswig-Holstein's Ministry of Economic Affairs, Transport, Employment, Technology and Tourism
Schleswig-Holstein's Ministry of Economic Affairs, Transport, Employment, Technology and TourismThe state's transport ministry co-finances the construction of the new S4 line and is involved on a number of decision-making levels. The S4 will strengthen transport links between Schleswig-Holstein and Hamburg.More information
Logo of the EU's Connecting Europe Facility
Connecting Europe FacilityThe EU's Connecting Europe Facility co-finances the planning phase of the S4. This EU fund supports strategic transport projects across Europe with the goal of promoting integrated and sustainable mobility.More information
Hamburger Verkehrsverbund Logo
Hamburger VerkehrsverbundKnown as hvv, Hamburg's transport association will assume responsibility for operating the S4 line once building work finishes. For this reason, it is also involved in the project's planning and construction.More information
S-Bahn Hamburg's logo
S-Bahn HamburgS-Bahn Hamburg will be responsible for S4 services once the line opens.More information
S-Bahn Hamburg logo
Hochbahn HamburgHamburger Hochbahn AG is part the city's hvv transport association, running the city's metro system and the majority of its buses.More information
NAH.SH logo
NAH.SHNAH.SH GmbH manages rail transport in Schleswig-Holstein on behalf of the state government.More information
DB E&C logo
DB Engineering & ConsultingDB Engineering & Consulting is involved in the S4 planning process in its capacity as Deutsche Bahn international specialist for engineering and consulting.More information
IHK Lübeck Logo
Handelskammer HamburgThe Handelskammer Hamburg represents the interests of 170,000 companies and is a service provider for Hamburg's business community. The Handelskammer Hamburg sees the S4 as a elementary component of the mobility turnaround and urgently necessary for the future of the business location Hamburg.Mehr Information

Putting plans into action

First, all measures have to be planned and approved. Then we can start the work of putting the plans into action.

To build the new S4 line, we are working with several construction companies that have unrivalled experience and expertise.

Depenbrock logo
Depenbrock Bau GmbH & Co. KGResponsible for track substructure and superstructure, the permanent way and their construction.More information
DVA logo
DVA Deutsche Verkehrs-Assekuranz-Vermittlungs-GmbHResponsible for the project's insurance.More information
Eiffage-Infra-Northwest logo
Eiffage-Infra-Nordwest GmbHResponsible for site access roads and construction site facilities.More information
HC Hagemann logo
HC Hagemann GmbH & Co. KGResponsible for a temporary bridge.More information
Matthäi Bauunternehmen logo
Matthäi Bauunternehmen GmbH & Co. KG
Matthäi Trimodalbau GmbH
Responsible for the rail overpass at Hammer Strasse, site access roads and construction site facilities. More information
Schweerbau logo
Schweerbau Gmbh & Co. KGResponsible for track substructure and superstructure and the permanent way.More information
Siemens Mobility logo
Siemens Mobility GmbHResponsible for command and control technology.More information
SPITZKE SEResponsible for underground cable installation, the third rail and the construction of Bovestrasse station.More information
Ed. Züblin AG logo
Ed. Züblin AGResponsible for the rail overpass and station at Wandsbek Rathaus and for the Schlossgarten rail overpass.More information
Strabag Rail GmbH logo
Strabag Rail GmbHResponsible for noise barriers.More information
Eurovia GmbH logo
EUROVIA GmbHResponsible for noise barriers.More information
SafeLane logo
SafeLane GlobalResponsible for explosive ordnance detectionMore information
Otto Wulff
Otto Wulff Bauunternehmung GmbHResponsible for Auxiliary bridge over the freight bypass. Mehr Informationen

Working together for a common goal 

A project like the new S4 line between Hamburg and Bad Oldesloe needs to involve a wide variety of people if it is to be a success on every front. These people include planning experts, environmental engineers, construction managers and communications specialists, not to mention employees at external project partners and construction firms. Though we come from very different professional backgrounds, we all share one goal: creating the new S4 line. 

If you want to join the S4 team at DB InfraGO AG,
just get in touch with our recruiter Katharina Riethmüller by e-mail.

Alternatively, take a look at our careers portal.

DB careers portal

28.03.2024Construction site camera on section 1