Rüdiger Tiedemann - Interim CFO and Accounting Specialist

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Cologne, Germany

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Experience

Nov 2024 - Feb 2025

4 months

Cologne, Germany

Senior Accounting Specialist

Alpha Trains Europa GmbH

Special topics such as IFRS 9 / posting of complex syndicated loans
Accounting for 2 subsidiaries

Oct 2024 - Present

2 years

Düsseldorf, Germany

CFO / CMR

CMR CureDiab Metabolic Research GmbH

Part time - Finance & Reporting - external accounting, fundraising

Nov 2023 - Sep 2024

11 months

Finance Manager / Senior Expert

Macaw

Preparation of prior-year annual financial statements for 3 group companies
Process optimization in finance and performance management
Ongoing accounting and administration, consolidation
Reporting with LucaNet and Power BI

Feb 2023 - Jun 2023

5 months

Zürich, Switzerland

Finance Consultant

Egon Zehnder AG

Process optimization in the finance area at various locations
Introduction of purchase orders

Jun 2022 - Jun 2022

1 month

Cologne, Germany

Consultant

Kaya & Kato GmbH

10-year financial planning incl. cash flow, details on margins by customer and product group, etc. for negotiations with investors

Apr 2022 - Jan 2023

10 months

Bergisch Gladbach, Germany

CFO

Safran Data Systems GmbH

Fast close and reporting locally and to HQ in Paris
Change of reporting tools from Hyperion to SQL
Internal controls

Aug 2021 - Mar 2022

8 months

Aachen, Germany

Head of Accounting

next e.GO Mobile SE

Operational accounting
IFRS conversion
Introduction of internal control system and digitalization of the P2P process, consolidation
IPO preparation

Mar 2021 - Feb 2022

1 year

Frankfurt, Germany

Head of Finance / CFO

T-Balance Therapeutics GmbH

Budgeting, cash management, reporting
Presentations, due diligences with potential investors

Oct 2020 - Jul 2021

10 months

Kiel, Germany

Head of Accounting/LCA

KVP Pharma + Veterinär GmbH

Local country accounting: responsibility for accounting, reporting and payment transactions / treasury for the production company KVP in Kiel, EUR 250m revenue and about 1,000 employees as part of a carve-out from Bayer AG, work for 2 additional sites
SOX implementation
Optimization of key processes - P2C, O2C, R2R

Oct 2019 - Sep 2020

1 year

Frankfurt, Germany

Senior Expert Finance

Interxion GmbH

Fixed assets: accounting, reporting, CAPEX approval process, IFRS 16, SOX, HFM reports
Process optimizations, also in the context of the sale to Digital Realty

Aug 2019 - Sep 2019

2 months

Frankfurt, Germany

Senior Expert Controlling

Groupe SEB

Review of invoice terms for the last 3 years, around 15k line items, based on postings, invoices, and contracts

Oct 2018 - Apr 2019

7 months

Idstein, Germany

Senior Expert Finance & Controlling

Jack Wolfskin

Controlling: investments, OPEX, CAPEX, forecast, 1-3 year budget, operational creation of reports for owners and management
Support in group consolidation of 13 entities
IFRS 15 and IFRS 16, introduction of Fast Close
Development of BI systems for sales controlling
Determination of purchase price differences as part of the closing
Restructuring after acquisition by Callaway Golf, USA – conversion of sales reports incl. margin analysis, account mappings, cost centers, changed P&L / balance sheet structure, reconciliations from IFRS to US GAAP
Preparation of ERP implementation – MS Dynamics AX and SAP: processes, data structures, chart of accounts

Jun 2018 - Sep 2018

4 months

Munich, Germany

Co-CFO / Senior Finance Expert

New Flag GmbH

Finance & Controlling projects incl. BI systems
Top-down group consolidation of 7 companies
Analysis of tax filings vs. tax payments
Setup of P&L by products, sales channels, key accounts
Analysis of customer contracts, pricing, return agreements
Determination of reclassifications for cost centers
Investment controlling: budget variances, postings by month and cost center

Aug 2016 - Jul 2018

2 years

Finance Manager

Crane XOMOX

France: finance, production controlling, etc. incl. full operational accounting, HR, payments, administration; setup of new vendors and customers incl. payment terms, credit limits, credit checks and monitoring, dunning
Export finance: setup and review of letters of credit etc. for sales to Africa, coordination with sales on financing; weekly and monthly reporting to HQ in the USA, moderation of weekly meetings on quarterly figures incl. customer and margin analysis
Budgeting and forecasting with Hyperion HFM
Monthly and annual close with QAD, HFM
Lindau: setup of shared services for the French finance area, outsourcing of payroll and taxes in France, setup of accounting in Lindau, documentation / communication of change processes; periodic takeover of Finance Manager tasks
both locations: SOX controls: analysis and updates, internal audits

Apr 2016 - Jul 2016

4 months

Bochum, Germany

Finance Manager

Harman Connected Services GmbH

Preparation and audit support for the 2014 and 2015 annual financial statements as part of operational bridging
HR: monthly review of payroll, handling of employee secondments from India to Germany
Development of tax optimizations

Feb 2016 - Feb 2016

1 month

Lübeck, Germany

Finance Consultant

Erasco/Continental Foods GmbH

Analysis and optimization of sales processes / support for key accounts: campaign planning, support, sales controlling

Jun 2015 - Nov 2015

6 months

Münster, Germany

Interim Manager Treasury

COMPO Expert Gruppe

Building up Treasury in a carve-out after the sale of PE Triton to XIO, responsibility for treasury planning across the entire group
Management of a syndicated loan in the high hundreds of millions
Cash pooling
Setup of 13-week and mid-term liquidity planning
Quick introduction of factoring
Operational handling of weekly payment runs in SAP
Controlling and financial planning, support with closings
Support with financial statements, consolidation, annual audit
Negotiation of new trade credit insurance

Apr 2015 - May 2015

2 months

Berlin, Germany

Consultant

Egmont Ehapa GmbH

Analysis and development of improvement potential in outsourcing standard finance processes to India
Process optimization
Support in clarifying old cases – debtor accounts, billing

Mar 2015 - Apr 2015

2 months

Hartha, Germany

Financial Controller

Trimas Germany GmbH

Operational finance management
Controlling and monthly reporting to HQ including variance analyses
Monthly/annual closing

Jan 2015 - Dec 2016

2 years

Cologne, Germany

Dozent Finanzen/Controlling

Hochschulen Fresenius, ISM

Courses in IFRS and International Controlling in German and English

Jan 2015 - Feb 2015

2 months

Cologne, Germany

Consultant

Unknown

Process optimization NAV 2013 / US GAAP

Oct 2014 - Dec 2014

3 months

Berlin, Germany

Consultant

Unknown

Development of financing concepts – bonds, mezzanine, factoring, in cooperation with an auditing firm

Apr 2014 - Sep 2014

6 months

Vienna, Austria

Finance Manager

DIC Europe GmbH

Payments / treasury, foreign exchange hedging
Expansion of production controlling for the new plant in Vienna
Optimization and automation of finance and administration processes
Introduction of Fast Close
Improvement of monthly/quarterly reporting to the HQ of the sub-group in the USA
Integration of Excel stand-alone solutions into Navision
Compliance & SOX
Updating documentation of transfer prices within the group

Feb 2013 - Dec 2013

11 months

Braunschweig, Germany

Head of Controlling

Essilor GmbH

BI: development and rollout of an integrated planning software with Cubeware Cockpit for revenue to gross margin by customers, products
Management of company planning including presentation for the HQ
Selection, concept and rollout of a sales reporting system with QlikView
Business partnering with sales, marketing, HR, etc.: analysis of revenue pipeline, CRM data, KPIs, restructurings
Production controlling
HR and supply chain controlling

Jan 2011 - Nov 2012

1 year 11 months

Mettmann, Germany

Commercial Director

TechnikService24 GmbH & Co. KG

Restructuring: ERP introduction, integration and migration of all key processes to MS Dynamics NAV
Cost and process optimization in IT, HR, purchasing, among others, with Six Sigma
Participation in social plans / partial plant closures
Preparation of business cases and negotiations with major customers – top retail companies and manufacturers
Preparation and execution of vendor due diligences
After insolvency, taking over the commercial management for the insolvency administrator, sale and winding up

Feb 2010 - Jan 2011

1 year

Berlin, Germany

Head of Finance

Medici Arts b.v.

Cash management, ensuring cash survival – daily liquidity planning, negotiations with creditors, revenue pre-financing, M&A: vendor due diligence, sales negotiations
Audits, development and implementation of restructuring measures to keep the business running, negotiations with suppliers, transfer of rights to Germany

Oct 2009 - Jan 2010

4 months

Ludwigshafen, Germany

Consultant

Pfalzwerke AG

Overhead cost optimization in the areas of purchasing and fleet management: analysis, identification of potential savings, presentation

Apr 2009 - Sep 2009

6 months

Cologne, Germany

Consultant

CROUZO

Web-based literature distribution: business plan, presentations

Oct 1996 - Mar 2009

12 years 6 months

Finance Director / Controller / Head of Controlling

TASCHEN GmbH

Setup of group consolidation with MS Dynamics NAV
ERP implementation NAV: selection and migration from DOS system to NAV accounting and controlling at HQ; international roll-out including invoicing, HR, etc.
Financing & treasury: bank loans, ABS, project financing
Investment controlling including stores, audit trips
Concept and implementation of MIS, PPS and CRM systems
M&A: purchase and integration of a sales company in Spain

Sep 1995 - Jul 1996

11 months

Berlin, Germany

Commercial Manager

Bertelsmann / GrundyUfa TV Produktions GmbH

Commercial management
Optimization of marketing, merchandising & music production, setup of contract database and budgeting, negotiations with licensees

Mar 1994 - Mar 1995

1 year 1 month

Düsseldorf, Germany

Consultant

Droege & Comp. Unternehmerberatung

Optimized business processes, reduced costs in several projects in the financial institutions, manufacturing, and retail sectors – department stores, FMCG convenience

Industry experience

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

Experienced in Media and Entertainment, Manufacturing, Biotechnology, Information Technology, Professional Services, and Education.

Media and Entertainment

Manufacturing

Biotechnology

Information Technology

Professional Services

Education

Business area experience

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

Experienced in Finance, Accounting, Information Technology, Audit, Business Intelligence, and Investments and M&A.

Finance

Accounting

Information Technology

Audit

Business Intelligence

Investments and M&A

Summary

Down-to-earth, hands-on, structured, strong in execution, and team-oriented

Internationally experienced Finance & Administration Manager and Consultant with broad expertise: accounting / consolidation, financing and treasury, M&A incl. PMI and carve-out, FP&A and controlling incl. plant controlling, change: restructuring / process optimization / change management, ERP implementation, IT project management, HR management and controlling, supply chain.

Industries: automotive, chemicals, services, energy, FMCG, apparel, retail, aerospace, mechanical engineering, media, medical technology, pharmaceuticals, software, / e-commerce.

Start-ups, mid-sized companies / subsidiaries of groups, up to EUR 25bn revenue

Skills

Group Financial Statements / Consolidation Under Hgb, Ifrs And Us Gaap With Up To 13 Legal Entities
Controlling Across All Areas – Investments, Production, Sales, Marketing, Supply Chain, Hr
Financing And Treasury In International Groups: Syndicated Loans, Factoring, Abs, Interest And Currency Management, Hedging Up To Eur 20m, Liquidity Management
Change Management, Restructuring: Development And Implementation Of Process Improvements And Cost Reduction Programs In All Business Areas As An Internal/External Consultant
M&A: Due Diligence, Company Buy And Sell, Carve-Out, Post-Merger Integration
It: Development And International Rollout Of Bi And Other Systems For Accounting, Controlling, Purchasing, Production, Sales And Hr – Requirements Specification, Budget, Milestones, Controlling, Stakeholder Management, Rollout
Hr Leadership For 250 Employees, Managing International Teams Of Up To 25 Employees / 8 Direct Reports
Responsibility For Purchasing With An Annual Volume Of Eur 10m
It Systems: Sap R/3 Fi / Co, Oracle Netsuite, Ms Dynamics Nav And Ax, Datev, Sage, Infor M3, Siteline, Qad, Egecko, Psi Penta, Unit4, Magnitude, Blackline, Hfm Hyperion, Professional Planner, Lucanet, Workday, Cubeware, Qlikview, Ms Office

Languages

German

Native

English

Advanced

French

Advanced

Spanish

Intermediate

Education

Jun 1990 - Dec 1993

Dr. rer. pol. · Economics · Cologne, Germany

Oct 1985 - May 1990

Universities of Münster and Cologne

Diplom-Kaufmann · Business Administration · Cologne, Germany

Certifications & licenses

CINA Certificate In International Accounting: IFRS

Statistics

Experience

Total positions 31

Experience in Media and Entertainment 14 y

Avg length 1 y

Longest experience 12 y 5 m

Global experience

Countries worked in 3 (Germany, Switzerland, Austria)

Primary country Germany

Expertise

Recent roles Senior Accounting Specialist, CFO / CMR, Finance Manager / Senior Expert

Main industries Media and Entertainment, Manufacturing, Biotechnology

Main business areas Finance, Accounting, Information Technology

Qualifications

Highest degree Doctorate

Certifications earned 1

Profile

Member since

February 2025

Last update

September 2026

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Frequently asked questions

Have questions? Find more information here.

Rüdiger is based in Cologne, Germany.

Rüdiger speaks the following languages: German (Native), English (Advanced), French (Advanced), Spanish (Intermediate).

Rüdiger has at least 30 years of experience. During this time, Rüdiger has worked in at least 22 different roles and for 30 different companies. The average length of individual experience is 1 year. Note that Rüdiger may not have shared all experience and actually has more experience.

Based on recent experience, Rüdiger would be well-suited for roles such as: Senior Accounting Specialist, CFO / CMR, Finance Manager / Senior Expert.

Rüdiger's most recent position is Senior Accounting Specialist at Alpha Trains Europa GmbH.

In recent years, Rüdiger has worked for Alpha Trains Europa GmbH, CMR CureDiab Metabolic Research GmbH, Macaw, Egon Zehnder AG, and Kaya & Kato GmbH.

Rüdiger is most experienced in industries like Media and Entertainment, Manufacturing, and Biotechnology. Rüdiger also has some experience in Professional Services, Information Technology, and Education.

Rüdiger is most experienced in business areas like Finance, Accounting, and Information Technology. Rüdiger also has some experience in Audit, Business Intelligence, and Human Resources.

Rüdiger has recently worked in industries like Biotechnology, Information Technology, and Aerospace and Defense.

Rüdiger has recently worked in business areas like Finance, Accounting, and Investments and M&A.

Rüdiger holds a Doctorate in Economics.

Rüdiger has 1 certificate: CINA Certificate In International Accounting: IFRS.

The availability of Rüdiger needs to be confirmed.

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Daily rate avg. 830 €

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Median rate 800 €

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