Oliver S.-Executive Interim CFO | Finance Transformation | Performance Management
Check rate
Experience
Interim Head of Controlling
Ströck GmbH
Food
I took over the leadership of the Controlling department at Ströck GmbH at short notice. Accounting and Controlling report directly to the management team. In addition to overseeing day-to-day Controlling activities, I was responsible for developing reporting and setting the strategic direction for Controlling. At the start of the engagement, the Controlling department had only four employees instead of eight. Given the staff shortage, I first ensured that key reports were delivered on time while developing a new reporting structure.
Another key focus of my engagement was introducing a Single Source of Truth. Existing reporting was based on numerous Excel files and different source systems. I therefore worked with IT to drive the introduction of a modern BI system. Reports will be generated automatically with Qlik Sense, providing a consistent data basis for management decisions. Together with the management team, I also developed a completely new production reporting system that enables weekly production management based on defined efficiency metrics. At the end of my engagement, I supported the search for my successor, trained the new Head of Controlling, and helped rebuild the Controlling department to eight employees.
Actions:
- Interim leadership of Controlling
- Ensured day-to-day reporting continued
- Introduced a Single Source of Truth
- Introduced Qlik Sense
- Built a new production reporting system
- Developed the reporting landscape
- Supported recruitment
- Handover to the new Head of Controlling
Achievements:
- Maintained Controlling despite a 50% staffing shortage
- Introduced a central data basis for reporting
- Digitized reporting with Qlik Sense
- Developed a new weekly production reporting system
- Successful handover to my successor
- Rebuilt the Controlling department to eight employees
Interim Vice President Finance
AOP Orphan Pharmaceuticals GmbH
As interim Vice President Finance, I was responsible for Accounting, Controlling, Treasury, and Tax. Alongside day-to-day responsibilities—such as preparing monthly reports, forecasts, and annual financial statements—I led several strategically important projects: the implementation of the new Microsoft 365 Business Central ERP system, the transition of reporting to IFRS, the implementation of a tax control system, and the preselection of a new management reporting tool.
A key part of my engagement was also analyzing and reorganizing the finance department. As this was a vacancy cover, I was able to use my experience to design the future structure of the finance organization, clarify roles and responsibilities, and identify opportunities for improvement. These recommendations provided a basis for the long-term development of the finance department.
Once the engagement was complete, day-to-day responsibilities and project results were handed over smoothly to my successor.
Actions:
- Continued the project to implement Microsoft 365 Business Central as the new ERP system
- Transitioned reporting to IFRS
- Introduced a tax control system (Tax Compliance)
- Preselected a new management tool for business management
- Contributed to reorganizing the finance department.
Achievements:
- Increased transparency and standardization through IFRS-compliant reporting
- Structured handover and smooth transition to my successor
- Defined key steps for the long-term development of the finance department
Interim CFO
Pharmazeutische Gehaltskassa
As interim CFO, in addition to leading the finance function, I played a key role in preparing the 2025 budget and the 2024 forecast. During my engagement, I also substantially automated the existing reporting process to significantly improve the transparency and efficiency of financial reporting.
In addition, I developed a comprehensive cost accounting concept to support more precise management of company resources. I also carried out a detailed profitability analysis of the individual business areas to assess their financial performance and identify specific opportunities for improvement.
Actions:
- Day-to-day leadership of the finance function: Despite the loss of 3 employees in the finance department, equal to 50% of its workforce, processes and operations continued steadily and without disruption.
- Preparation of the 2025 budget: Developed a comprehensive, forward-looking plan.
- 2024 forecast: Prepared well-founded forecasts for the upcoming financial year.
- Automation of reporting: Introduced new technologies and processes to increase efficiency and improve transparency in financial reporting.
- Developed a cost accounting concept: Built a system for precise management of company resources.
- Conducted a profitability analysis: Analyzed individual business areas to assess financial performance and identify opportunities for improvement.
Achievements:
- Increased transparency and efficiency: Substantially improved reporting through automation.
- Improved resource management: Introduced precise and adaptable cost accounting.
- Strong basis for decision-making: Prepared a detailed profitability analysis to support targeted growth and efficiency initiatives.
- Forward-looking planning: Developed a realistic budget and reliable forecasts for 2024 and 2025.
Interim CFO
Enerox GmbH/CellCube
As interim CFO, I completed the 2024 budget and the 2023 annual financial statements. I also adapted reporting to meet the owners’ requirements. I introduced ongoing cash flow planning as well as detailed project costing and project monitoring. I also helped prepare the materials for an investor search (5-year plan).
Actions:
- Interim leadership of the finance function and preparation of the budget and annual financial statements
- Developed an informative monthly report
- Developed detailed weekly cash flow planning
- Prepared materials for an investor search
Achievements:
- A much clearer view of the current cash flow situation, with a detailed overview of the burn rate and an accurate cash flow forecast
- Clear and informative monthly report
Consulting
TT-Medic
Built a consolidated revenue database for the group (4 subsidiaries). Also developed a tool to enable consistent reporting across all 4 companies and group consolidation. This made reporting more transparent and effective.
CFO as a Service
BWM Architektur und Design GmbH
Supported the reorganization of the finance department, improving workflows. Also evaluated digital tools to optimize the invoice workflow, invoice approval, and handovers to the tax advisor. In addition, set up monthly reporting. Also supported the implementation of an ERP system, covering the finance area.
CFO as a Service
Radland GmbH
Revised the existing reporting system and provided ongoing support for monthly reporting, budgeting, and annual financial statements. Business partner to the managing director.
Consulting
MS-CNS
Analyzed the requirements for an ERP system and supported the evaluation process.
Consulting
Altschacht Kräuter
Developed a product costing model.
CFO as a Service
EAP
Set up a reporting system and prepared quarterly reports on an ongoing basis, while also serving as a sparring partner to management.
Interim CFO
Bravo CFO Bravo Group
Bravo Group is an international company that manufactures metal roof tiles and is one of the leading suppliers in the DIY market in Europe. The holding company is based in Vienna, with subsidiaries in Romania, the Czech Republic, Germany and France.
As CFO of Bravo Group, I was responsible for establishing a financial holding structure. Through my work, reporting was standardized, significantly reducing reporting timelines and clearly improving quality. My other responsibilities included standardizing and optimizing the budgeting process, cash flow planning, transfer pricing documentation, consolidation and preparing the annual report.
I also supported the local finance managers in optimizing and developing their local finance organizations. In particular, I was responsible for setting up the finance department and implementing an ERP system at the French subsidiary. In addition, I supported the company in its search for a new investor, conducted a Vendor Due Diligence and coordinated the financial and tax due diligence.
Actions:
- Established a holding structure with standardized reporting and budgeting processes, prepared group-level cash flow forecasts and prepared consolidated financial statements in accordance with IFRS
- Supported the due diligence process
Achievements:
- Reporting became much better structured and more informative
- Establishing the holding structure significantly improved the management of the operating entities in Romania, the Czech Republic, Germany and France.
Client quote:
“Oliver Strass was a key member of our leadership team and made a significant contribution to the company’s success.”
Adrian Minuta, CEO Bravo Group
Interim Head of Finance & Controlling
EGSTON System Electronics Eggenburg GmbH
As Interim Head of Finance & Controlling for an international industrial group, my responsibilities covered accounting, controlling, HR, SAP and IT, with a total of 18 employees across these areas. My responsibilities ranged from budgeting and reporting to preparing the annual financial statements. During my time there, reporting was also adapted to the group’s requirements (reporting by business unit), and a project to digitize accounting was launched.
Actions:
- Interim Head of Finance & Controlling
- Budgeting and ongoing reporting
- Introduction of segment reporting
- Automation project in accounting
Achievements:
- Successfully prepared budgets for 4 locations and companies after taking over at short notice
- Completed the annual financial statements on time
- Prepared the monthly report in SAP/BPC instead of Excel, significantly improving accuracy and traceability and reducing the time needed to prepare the monthly report by 2 days.
Interim Finance Manager
Eberspächer Gruppe GmbH & CoKG
As Finance Manager, I successfully supported a project to transition to IFRS and implement SAP Profitcenter-Accounting, as well as a change to the cost of sales method, the harmonization of FI/CO and the introduction of a new internal management system. With my contribution, the project schedule was significantly exceeded within four months.
Interim Head of Finance & Controlling
Beach Majors GmbH
As Head of Finance, I was responsible for cost accounting, bookkeeping, controlling, liquidity planning, budgeting and reporting during this period. I led a team of three. Under my leadership, the two US subsidiaries were also restructured through a merger followed by closure. The finance department was also adapted to the new conditions so that it could be run by two employees going forward.
Actions:
- Interim Head of Finance
- Management reporting/liquidity planning
- Restructured reporting to parent company Red Bull
- Restructured the US subsidiaries
- Handed over finance responsibilities to a successor
Achievements:
- Closed two US companies
- Restructured the finance function (2 employees instead of 3)
Reorganization of the Finance Department
ePunkt GmbH
A company in recruitment and temporary staffing faced the challenge of adapting its processes and workflows to a rapidly growing organization. As part of an initial assessment, the processes and systems were documented. A target state was then defined, bringing workflows and technologies to a new level. The right ERP software was subsequently selected and implemented.
Actions:
- Analyzed the finance organization and workflows
- Analyzed workflows together and assessed potential improvements
- Evaluated ERP software
Achievements:
- Selected the software (BMD)
- Planned the implementation and successfully delivered it
Interim Head of Controlling
Sun Chemical AG
As Financial Controller for the Central and Eastern Europe division of an international industrial group, I was responsible for the operational agendas of eight subsidiaries. I also introduced a new tool for monthly reporting, significantly improving both the error rate and report preparation. In addition, I prepared the local file for the “Base Erosion and Profit Shifting” documentation.
Measures:
- Interim Group Controller
- Management reporting
- Optimization of monthly reporting for 8 subsidiaries
- Development of consistent transfer pricing documentation
Achievements:
- Optimization and standardization of reporting
- Transparent documentation of transfer prices
Interim Head of Controlling
Zimmer Biomet GmbH
I was responsible for finance and controlling at the Austrian branch of an American company in the medical industry. During this project, I not only completed a SAP integration but also successfully managed day-to-day operations, including US GAAP reporting, budget-to-actual comparisons and variance analyses, forecast and budget preparation, and the optimization of processes and reporting.
Measures:
- Interim Head of Finance
- Ongoing reporting
- Budgeting
- SAP integration of two companies
Achievements:
- Successful implementation of the SAP integration in terms of both timing and budget
- Process optimization
- Introduction of new travel expense software (Concur)
Lecturer for the Diploma Course in Cost Accounting and Controlling
WIFI Burgenland
Lecturer for the Diploma Course in Cost Accounting and Controlling
Established a project team and project plan for the successful integration of an acquired company
Schiedel GmbH
Established a project team and project plan for the successful integration of an acquired company together with the internal project manager. Responsibilities were defined, and a project plan and milestones were set. Reporting was also developed to monitor project progress on an ongoing basis.
Consulting
Kapsch TrafficCom AG
I conducted financial due diligence in Germany for an Austrian industrial group in the field of traffic management. As part of this project, the company’s financial figures were analyzed and checked for plausibility against the prepared business plan. In close cooperation with the in-house legal department, key points of the purchase agreement were defined.
Introduction of Cost Accounting and an MIS System
Bluetechix GmbH
This company manufactures high-resolution cameras. As part of the introduction of new accounting software (BMD), a corresponding cost accounting system and, subsequently, a management information system were also to be set up. The requirements for the MIS were defined in a workshop, and the structure for cost accounting and reporting was then developed. The challenge was to define and successfully map the interfaces with the other software systems (materials management, time tracking and payroll).
Interim Finance Manager
Baumeister Höller GmbH
Following the death of the managing director, the company was on the verge of bankruptcy. Through my advisory work, I was able to prevent its closure by reducing costs and instead carry out a successful restructuring. My sales negotiations also resulted in an investor acquiring a majority stake in the construction company, securing its long-term future.
Measures:
- Stabilization of day-to-day operations
- Introduction of detailed liquidity planning
- Ongoing discussions with banks and suppliers
- Filing for restructuring with a 20% quota
- Search for investors
Achievements:
- Successful completion of the restructuring
- Successful search for investors
- Takeover of the business by a new investor
Head of Finance and Controlling
Isovolta AG
Industry: Chemical industry
- Finance
- Group consolidation
- Cost accounting
- Strategic projects (M&A)
- Accounting
- Controlling
- Risk Management
- Legal
Head of Group Controlling
Isovolta AG
Industry: Chemical industry
- Redesign of the management information system
- Standardization of reporting for all 11 international subsidiaries
- Budgeting
- Monthly reporting to the holding company in accordance with IFRS
- Investment analysis and budgeting
Head of Controlling and Finance
Hirtenberger AG
Industry: Automotive industry
- Ongoing cost accounting and controlling
- Budgeting
- Preparation of annual financial statements
- Monthly reporting
- Investment analysis
- Liaison with banks and funding agencies
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Chemical, Education, Professional Services, Manufacturing, Automotive, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Finance, Accounting, Investments and M&A, Legal, Strategy, and Project Management.
Summary
I support companies in situations where change cannot be postponed: short-notice leadership vacancies, complex transformation projects, restructuring, or the introduction of new systems. In these situations, developing concepts is not enough. What is needed is leadership, clear decisions, and consistent execution.
Over more than three decades in finance and more than fifteen years as an interim manager, I have supported companies of all sizes and across a wide range of industries—from owner-managed mid-sized businesses to international corporations. I have built and reorganized finance organizations, implemented ERP systems, modernized reporting, delivered IFRS projects, supported companies through restructuring, and led finance teams through challenging periods of change.
My working style is pragmatic, analytical, and focused on solutions. I get up to speed in existing organizations quickly, create transparency, set priorities, and develop workable solutions together with the teams. It is important to me not only to create short-term stability, but also to leave lasting improvements behind.
To me, interim management means taking responsibility—not only for projects, but also for people, organizations, and results. My goal is to leave companies with better-working processes, less pressure on leaders, and an organization that benefits from the changes over the long term.
Skills
Areas Of Focus
- Interim Cfo
- Finance Leadership
- Finance Transformation
- Erp Implementations
- Finance Digitization
- Business Intelligence
- Restructuring
- Performance Management
- Ifrs
- M&A & Post Merger Integration
Industries
- Pharmaceuticals
- Healthcare
- Industry
- Automotive
- Construction
- Plant Engineering
- Renewable Energy
- Services
- Recruiting
- Sports & Events
Languages
Certifications & licenses
Professionelle Aufsichtsrats- und Gremientätigkeit
Donau Universität Krems
Zertifizierter Digitalisierungsmanager in Steuer- und Rechnungswesen
FH Campus Wien Academy
Certified OKR Master
die.agilen
Change Management Advanced
Neuwaldegg Unternehmensberatung
Kernkompetenz Change
Neuwaldegg Unternehmensberatung
Data Analysis for Management
London School of Business and Political Science
Artificial Intelligence – Implications for Business Strategy
Massachusetts Institute of Technology
Certified Digital Leadership in Finance & Controlling
Österreichisches Controller Institut
Digital Leadership in Finance & Controlling
Österreichisches Controller Institut
Executive Education Program
Columbia University in New York
Zertifizierter Interim Manager
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Oliver is based in Vienna, Austria and can operate in on-site, hybrid, and remote work models.
Oliver speaks the following languages: German (Native), English (Advanced).
Oliver has at least 24 years of experience. During this time, Oliver has worked in at least 14 different roles and for 24 different companies. The average length of individual experience is 1 year. Note that Oliver may not have shared all experience and actually has more experience.
Based on recent experience, Oliver would be well-suited for roles such as: Interim Head of Controlling, Interim Vice President Finance, Interim CFO.
Oliver's most recent position is Interim Head of Controlling at Ströck GmbH.
In recent years, Oliver has worked for Ströck GmbH, AOP Orphan Pharmaceuticals GmbH, Pharmazeutische Gehaltskassa, Enerox GmbH/CellCube, and TT-Medic.
Oliver is most experienced in industries like Chemical, Education, and Professional Services. Oliver also has some experience in Manufacturing, Automotive, and Healthcare.
Oliver is most experienced in business areas like Finance, Accounting, and Investments and M&A. Oliver also has some experience in Legal, Strategy, and Information Technology.
Oliver has recently worked in industries like Education, Professional Services, and Manufacturing.
Oliver has recently worked in business areas like Finance, Accounting, and Business Intelligence.
Oliver has 11 certificates. Among them, these include: Professionelle Aufsichtsrats- und Gremientätigkeit, Zertifizierter Digitalisierungsmanager in Steuer- und Rechnungswesen, and Certified OKR Master.
Oliver is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 13 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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