Michael Lang - Interim IT Manager for ERP Transformations

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Dorsten, Germany

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Experience

Feb 2025 - Jul 2026

1 year 6 months

Gescher, Germany

Hybrid

Head of IT

Ruthmann Holdings GmbH

Management of IT with 10 employees, including budget and personnel responsibility.
Harmonization of the Navision systems in Germany, Switzerland and Austria.
Connection of the ERP systems in Switzerland, Austria and Italy to the central Microsoft Power BI systems in Germany.
Rollout of a new firewall at 10 locations in D, CH and A.
Evaluation of a new DMS.
Migration to Windows 10 / 11.
Transformation of 9 countries into ONE Europe.
Start of NIS2 implementation in 5 European countries.

Mar 2024 - Mar 2025

1 year 1 month

Bochum, Germany

Hybrid

Interim Manager

MAIT GmbH

Organization and process management of the back office with 60 employees at 3 locations.
Planning and implementation of a new abas ERP version, including the development of a new contract management system. - Coaching of the internal project management.

Feb 2022 - Present

4 years 8 months

Hybrid

Project Manager (Interim)

medi GmbH

Management of contract negotiations with Infor.
Implementation of "Finance" Infor LN Cloud in 10 countries in Europe within 6 months.
Implementation (ongoing) of materials management, purchasing and sales in 16 countries worldwide.
End-to-end process management and system architecture with interfaces to AS/400, Infor LN On-Prem, B2B & B2C shops, high-bay warehouse control, labeling, MES, etc.

Aug 2019 - Nov 2022

3 years 4 months

Soest, Germany

Project Manager (Interim)

Müthing GmbH & Co. KG

Requirements analysis for ERP system
Process analysis
Selection of a new ERP system
Project management
Implementation of Infor LN Cloud
Implementation of PIM system
Redesign and reimplementation of shops (B2B, B2C)

May 2019 - Jul 2019

3 months

Hamburg, Germany

Head of IT (Interim)

Blohm+Voss B.V. & Co. KG

Integration of Blohm+Voss IT into Lürssen Central IT
Migration from Windows 7 to Windows 10
Integration of personnel into the new matrix organization
Integration / migration of the application landscape (Microsoft, Oracle, SAP, ABAS, etc.)

Nov 2018 - Jul 2019

9 months

Bremen, Germany

Deputy Head of IT (Interim)

Fr. Lürssen Werft GmbH & Co. KG

Restructuring of the Project Management department
Management of the Project Management department
Introduction of project governance
Introduction of IT cost allocation
Contribution to the IT strategy
Introduction of Jira as a project management tool
Support for the Blohm+Voss carve-in

Jan 2018 - Sep 2018

9 months

Duderstadt, Germany

Interim Head of ERP (SAP CoC)

Ottobock HealthCare GmbH

Project manager for the sale (carve-out) of a business unit (Germany, USA, China)
Migration of SAP HR to ADP
Migration of the SAP database from Oracle to ASE
Service provider management
Introduction of Jira as a ticketing system
Responsible for ERP in the development of the global IT strategy
Analysis of SAP and non-SAP systems
Planning the migration to SAP HANA (DB)

Jun 2017 - Dec 2017

7 months

Minden, Germany

Interim IT Director

Melitta Business Service Center

Reorganization of IT
Setup of the "Future Ready Program"
Analysis and new concept for the network infrastructure
Preparation of the Office 365 rollout
Short-term optimization of the security concept
Emergency handbook
Start of a global telephony project
Preparation of the 2018 IT budget
Start of the Business Service Center concept for IT
Selection and installation of a new ticketing system

May 2017 - Dec 2017

8 months

Minden, Germany

Interim Head of ERP

Melitta Business Service Center

Reorganization of the SAP CoC
Cleansing of the SAP systems
Optimization of SAP licenses
Recruitment of several new SAP employees
Introduction of a new CRM system
Setup and go-live of a new sales unit in China
Setup of two new sales units in Europe
WM/EWM go-live in Poland
Introduction of a PMO
Start of the S/4 HANA Evaluation Project for Europe
Setup of the S/4 Hana project for North America
Setup and start of the "Future Finance Program" (New GL, Standard Chart of Accounts, etc.)

Oct 2015 - Mar 2017

1 year 6 months

Cologne, Germany

Interim Program Manager

nkt cables Group GmbH

International transformation program with more than 100 people in 6 countries in Europe
Initiation/concept and design phase, more than 10 subprojects
Change, risk & communication management
Reporting at board level
Introduction of OneStream consolidation software
Introduction of a new logistics drum concept
Consolidation of 4 DMS systems into one new DMS
Project management of SAP BI Single Source of truth

Sep 2013 - Feb 2016

2 years 6 months

Cologne, Germany

Interim Manager, Global SAP Manager, Project Manager

nkt cables Group

Reorganization (matrix) of the 5 international SAP teams (CZ, PL, DK, SW, D)
Takeover, restructuring and successful completion of the troubled migration project 4.6c -> ECC 6.0 (overall project responsibility), including the introduction of a new SCM concept
Integration (carve-in) of an acquired Swedish plant
Personnel responsibility (27 employees)
Analysis of SuccessFactors (Recruiting, Learning)
Representative of the CIO
Contract negotiations with hosting partners
Establishment of PMO and project management structures
Concept and implementation of the carve-out of an acquired plant
Establishment of a master data department
Setup of SAP BW / BI single source of truth
Modules used: ECC 6.0; 4.6c; FI, CO, SD, MM, PP, QM, PS, APO, CS (Cable Solution), HR, SAP Commodity Management, CAMOS, MES, CRM

May 2013 - Aug 2013

4 months

Ingolstadt, Germany

Interim Project Manager (overall project responsibility)

Media-Saturn

SAP ERP logistics project with consignment, drop shipment, transit warehouse, open customs warehouse, Intrastat, Extrastat, EDI and connection of external suppliers
Preparation of requirements specifications as the basis for a fixed-price implementation project

May 2012 - Apr 2013

1 year

Munich, Germany

Interim and Project Manager

Serviceplan Gruppe

Transformation project SAP ERP / SAP Business ByDesign
Takeover of all SAP activities
Rebuilding of the project structure
Service provider selection
Project management for the implementation of SAP Business ByDesign in more than 50 subsidiaries
Interfaces SAP ECC 6.0 / SAP ByD
Restructuring of the SAP department

Oct 2011 - Apr 2012

7 months

Leverkusen, Germany

Interim SAP Basis Manager

LANXESS AG

Covering for the department head during illness
Project management of the migration from TWS to CPS (Scheduler)
Structure for an SAP operations manual (CCOE)
Contract negotiation/conclusion with an outsourcing partner regarding the sunset of legacy systems
Establishment of an emergency response team / emergency management
Optimization of Solution Manager, including adjustments to release and change management / ticketing according to ITIL
Staff management

Jul 2009 - Aug 2011

2 years 2 months

Ratingen, Germany

Interim Manager of the Commercial Applications Department

easycash GmbH

Management of 7 internal and up to 10 external employees in the SAP CoC (SD, MM, FI, CO, BW, CRM)
Restructuring of the department as internal consulting
3-year planning and migration planning (4.6c / ECC 6.0)
Introduction of IFRS, FI-LAE
Planning of the SAP CRM implementation
Introduction and go-live of SAP BW
Integration into the new parent company
Introduction of ITIL in the SAP environment for support and project management
Personnel and budget planning
Planning of the SAP data center migration
Process consulting for management (SOX, IFRS, new foreign subsidiaries) and specialist departments
Connection of financial transaction systems to SAP
Implementation and setup of a browser-based collaboration system as a communication, documentation, project management and ticketing system
SAP CRM concept

Jun 2008 - May 2009

1 year

Bonn, Germany

Interim Project Manager

Eaton Inc.

SOX implementation
IT group integration
SAP Team Leader
Project management

Oct 2006 - Jun 2008

1 year 9 months

Bonn, Germany

Interim Team Manager SAP CoC, Project & Program Management, Deputy CIO

Moeller GmbH

Introduction and project management of SAP BW and SAP GTS
Management of 16 employees in the areas of Basis, FI, CO, MM, PP, SD, BW, GTS, WebApplication Server, SAP eShop, ABAP programming, Siebel CRM

Apr 2005 - Apr 2007

2 years 1 month

Bonn, Germany

Interim Project Manager for SAP R/3 Roll-Out

Moeller GmbH

Roll-out in Italy, Benelux, Switzerland, United Kingdom, Spain/Portugal, Norway, Singapore/Australia, Brazil
Migration of legacy systems to SAP
Modules used: FI, CO, SD, MM, PP
Other: ALE, EDI

Jan 2005 - Apr 2005

4 months

Bonn, Germany

Interim Project Manager

Moeller GmbH

IT-related carve-out (sale) of a plant
Coordination of internal and external resources and time management
Adjustment of existing processes
Modules used: FI, CO, SD, PP, MM
Other: ALE, EDI

May 2004 - Dec 2004

8 months

Bonn, Germany

Interim Project Manager

Moeller GmbH

Project manager for relocating production from Germany to China
Development of a partner concept for the remaining production
Adjustment of existing processes to the changed situation (change management)

Jan 2004 - May 2004

5 months

Bonn, Germany

Interim Project Manager

Moeller GmbH

IT carve-out of three plants in SAP R/3
Coordination of internal and external resources and time management
Adaptation of existing processes
Modules used: FI, CO, SD, PP, MM, HR
Other: ALE, EDI

Nov 2002 - Dec 2003

1 year 2 months

Bonn, Germany

Interim Project Manager

Moeller GmbH

Overall SAP project coordination and project management for the transition from SAP R/2 to SAP R/3
Establishment of project management, project management office, resource planning and control
Optimization of project structure, communication, project controlling and coaching
Sales sub-project: project management, communication and organization, resource and time management, coaching
Modules used: FI, CO, SD, PP, MM, HR
Plants: 13 national and international
Locations: 30 national and international
Other: ALE, EDI
Budget: 10 Mio. Euro
Staff: 70 employees (External & Internal)
Project completed 2 months ahead of schedule and within budget

Mar 2002 - Sep 2002

7 months

Munich, Germany

Management Consulting

BMW AG

Development of a routing concept for the warranty department (National / International), including integration with CTI and call center

Jan 2001 - Dec 2001

1 year

London, United Kingdom

Management Consulting

Viacom

Consulting and selection of a sales information system

Dec 1999 - Dec 2000

1 year 1 month

Luxembourg

Management Consulting

Canal+

Feasibility study on digital TV and the Internet for the French market in cooperation with Groupe Paluel-Marmont (VC) Paris

Aug 1999 - Dec 1999

5 months

London, United Kingdom

Management Consulting

Viacom

Consulting on and selection of a booking and reservation system

Feb 1999 - Jul 1999

6 months

Munich, Germany

Interim Management

Webfair AG

Key Account Management and Professional Service
Acquisition of major clients (Roche Pharma, revenue ~ 1 Mio.)
Acquisition of partners (Informix, SUN)
Organization of CEBIT 1999

Sep 1998 - Present

28 years 1 month

Self-employed

Jun 1998 - Jan 1999

8 months

Munich, Germany

Interim Management

Software Company

Start-up of the Munich office
Establishment of the office, search for office space
Acquisition of first customers, contracts and employees

Jan 1996 - Mar 1998

2 years 3 months

Unterföhring, Germany

Head of Organization

ProSieben Media AG

Nov 1992 - Dec 1995

3 years 2 months

Unterföhring, Germany

Project Manager / Head of Organization

MGM MediaGruppe München

Jan 1990 - Nov 1992

2 years 11 months

Kronberg, Germany

Project Manager / Head of Software Development

IPA-plus

Sep 1988 - Dec 1989

1 year 4 months

Darmstadt, Germany

Consulting in Materials Management

Spectra-Physics GmbH

Jan 1987 - Aug 1987

8 months

Nuremberg, Germany

Organization Programmer in Materials Management

ICL Deutschland

Apr 1982 - Dec 1986

4 years 9 months

Nuremberg, Germany

Organization Programmer in Materials Management

Triumph-Adler AG

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Manufacturing, Media and Entertainment, Information Technology, Healthcare, Agriculture, and Energy.

Manufacturing

Media and Entertainment

Information Technology

Healthcare

Agriculture

Energy

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Supply Chain Management, Finance, Sales, and Procurement.

Information Technology

Project Management

Supply Chain Management

Finance

Sales

Procurement

Summary

Experienced and broadly skilled IT interim manager and ERP expert. Turnaround manager, project and program manager with proven success in difficult project situations. Management consultant and coach.

Key areas:

Interim leadership and realignment of IT
Leadership of application management with a focus on ERP (Infor / SAP)
ERP implementation and rollout
IT strategy development and implementation
Establishment and further development of PMO, project and program management
Technical and organizational restructuring as part of M&A (Carve-In & -Out)
Holistic system and process architecture
Migration and consolidation of applications and technical infrastructures

Goal-oriented, pragmatic, convincing. Authentic personality with strong social and communication skills. Cooperative leadership style. Decisive and consistent.

Skills

Operating Systems

Windows
Vm
Docker
Linux
Sun Solaris
Mpe/Xl
Ms-Dos

Programming Languages

Cobol (5 Years Of Programming Experience)
Powerbuilder (1 Year Of Programming Experience)
Cognos 4gl (4 Years Of Programming Experience)

Databases

Oracle (Design Experience)
Informix (Design Experience)
Sybase (Design Experience)

Hardware

Pc
Sun Enterprise Server
Hp/3000

Data Communication

Products / Software Standards

Sap R/3
Sap S/4 Hana
Sap Byd
Ms-Office
Ms-Project
Ms-Visio
Sharepoint
Office
Office 365
Lotus Notes
Viflow

Industry Focus

Industry
Mechanical And Plant Engineering
Retail
Media
Financial Services
Chemicals

Languages

German

Native

English

Advanced

Education

Jan 1981 - Jun 1981

Control Data Institut

Organisationsprogrammierer · Frankfurt, Germany

Oct 1978 - Jun 1981

Bundeswehr

Kfm. Ausbildung · Kfm. Ausbildung

Certifications & licenses

Köln

Organisationsprogrammierer

Control Data Institut Frankfurt

Statistics

Experience

Total positions 35

Experience in Manufacturing 21.5 y

Avg length 2 y 1 m

Longest experience 28 y

Global experience

Countries worked in 3 (Germany, United Kingdom, Luxembourg)

Primary country Germany

Expertise

Recent roles Head of IT, Interim Manager, Project Manager (Interim)

Main industries Manufacturing, Media and Entertainment, Information Technology

Main business areas Information Technology, Project Management, Supply Chain Management

Qualifications

Certifications earned 2

Profile

Member since

November 2023

Last update

September 2026

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Frequently asked questions

Have questions? Find more information here.

Michael is based in Dorsten, Germany.

Michael speaks the following languages: German (Native), English (Advanced).

Michael has at least 43 years of experience. During this time, Michael has worked in at least 24 different roles and for 27 different companies. The average length of individual experience is 1 year and 3 months. Note that Michael may not have shared all experience and actually has more experience.

Based on recent experience, Michael would be well-suited for roles such as: Head of IT, Interim Manager, Project Manager (Interim).

Michael's most recent position is Head of IT at Ruthmann Holdings GmbH.

In recent years, Michael has worked for Ruthmann Holdings GmbH, MAIT GmbH, medi GmbH, and Müthing GmbH & Co. KG.

Michael is most experienced in industries like Manufacturing, Media and Entertainment, and Information Technology. Michael also has some experience in Healthcare, Energy, and Agriculture.

Michael is most experienced in business areas like Information Technology, Project Management, and Supply Chain Management. Michael also has some experience in Finance, Sales, and Procurement.

Michael has recently worked in industries like Manufacturing, Healthcare, and Agriculture.

Michael has recently worked in business areas like Information Technology, Project Management, and Finance.

Michael attended Control Data Institut.

Michael has 2 certificates. These include: Zertifizierter Projektmanager PRINCE2 and Organisationsprogrammierer.

Michael is immediately available full-time for suitable projects.

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Daily rate avg. 870 €

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Median rate 960 €

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Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.