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Stefan Ruebener

finance meets IT

from 01.04.2024
Interim Manager since: 09/2009
Update: 28.06.2024

Contact data

Humboldtstr. 60
D-40237 Düsseldorf
gra.erarorhe@ansrgf

Telefon Mobile
+491722527414

Social networks

Personal data

Date of birth
04.03.1967 (Age:57)

Short profile

Intro
With over 30 years in finance and IT, including 16 in finance sector interim management, my expertise spans ERP migration and controlling, particularly in SAP S/4 HANA and SAP R/3. I excel in merging financial operations with ERP system advancements, ensuring economic efficiency and operational effectiveness. My objective approach to group and site controlling optimizes processes and reporting systems. My IT passion complements my finance acumen, focusing on ERP integration that aligns with the organization's financial core. I am dedicated to fostering innovative solutions that enhance business resilience and efficiency, combining professional knowledge with a zeal for finance and technology.
Experience overview
  • Experienced Financial Controller in finance and SAP S/4HANA FI/CO deployment.
  • Proficient in financial migrations and process documentation with BPMN.
  • Expert in database modeling and Microsoft tech implementations.
  • Skilled in data integration, ETL processes, and reporting systems.
  • Proven in developing budgeting, forecasting, and KPI frameworks.
  • Accomplished in ERP training, support, and organizational change management.
  • Versed in compliance with HGB, US-GAAP, and IFRS standards.
Tasks
  • Consulting
  • Business Development
  • Cost Reduction
  • Process Optimization
  • Post Merger Integration
Functions
  • Finance
  • Information Technology
  • Accounting & Controlling
Role in the company
  • 2nd Level / Division Management / Department Management
  • Program Manager
  • Consultant, Advisor
Industry experience
  • Chemistry
  • Energy
  • Trade
  • Pharmaceutical Industry
  • Real Estate Industry
Type of company
  • Corporation / Group
  • Medium-sized Enterprise
  • Private-public Partnership
  • Owner-managed / Family Business
Regions (Regions where you have proven experience)
  • Germany
Languages
  • German (Muttersprache)
  • English (Verhandlungssicher)

IM projects (self employed)

City / place
Hagen
City / place
Köln
City / place
Düsseldorf
City / place
Sindelfingen
City / place
Friedberg
City / place
Rosenheim
City / place
Hilden
City / place
Linnich
City / place
Stade
City / place
Hilden
City / place
Düsseldorf
City / place
Landshut
City / place
München
Reason for dismissal
Financial Controller
City / place
Nürnberg
Reason for dismissal
Financial Controller
City / place
Bocholt
Reason for dismissal
Werkscontroller (Transitional Team – Restrukturierung)
City / place
Gendorf
Reason for dismissal
BU-Controller - IT-Services
City / place
Bochum
Reason for dismissal
Performance Analyst: Controlling Supply & Logistic Working Capital
City / place
Witten
Reason for dismissal
Werks Controller
City / place
Köln
Reason for dismissal
Produktion Controller

Company description

Chemical

City / place
Meppen
Reason for dismissal
Operation Controller

Company description

Distribution Organization of BASF

City / place
Köln
Reason for dismissal
Senior Consultant - ERP

Company description

Projects

City / place
NRW
Reason for dismissal
Projekt Management Beratung und Projektleitung Finanzbuchhaltung Webdesign

Work history (permanent employment)

City / place
Germany
Remarks
see Interim assignments

"Engineering and Technology Consulting

City / place
Lippstadt
Remarks
Commercial Manager

Mobile Leasing

City / place
Köln
Remarks
Finance Analyst Systems

Vail Vehicle Manufacturer

City / place
Berlin
Remarks
Senior Manager Group Finance Applications

Vail Vehicle Manufacturer

City / place
Berlin
Remarks
Senior Manager Group Finance Applications

Management Consulting

City / place
Düsseldorf
Remarks
European Finance Systems Manager
International Financial Analyst - Emerging Markets & Europe

Management Consulting

City / place
Düsseldorf
Remarks
Assistant Controller
Finance System Administrator

Education

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