Irmgard D.
Selfemployed - Interims Management in M&A Environments
Experience
Aug 2025 - Present
5 monthsSelfemployed - Interims Management in M&A Environments
Irmgard Drey e.K.
- Consulting and implementation in human resources, finance and IT for medium-sized companies in telecommunications, plant engineering, real estate, metal processing, pharmaceutical and energy sectors
- Establishment and redesign of human resources departments in carve-out or merger environments
- Management coaching and interim HR management including SAP HCM implementation, compensation management, works agreements, outsourcing payroll, budget planning and HR controlling
- Centralized advisory to management on HR strategy and end-of-year reporting processes
- Company pension scheme development, reporting tool development and HR/payroll report generation
- Implementation of the Occupational Pensions Strengthening Act and corporate framework design
- Development of coordinated training programs for departments and managers
- Junior manager coaching, compensation and benefits recruiting, interviews and search
- Introduction of time management with SAP HCM PT, process optimization, GDPR document management
- Tax audit digitization projects and expense compensation for construction industry employees
- Cost reduction projects to increase operational efficiency
- Led negotiations with works council and economic committee
- Redesign of compensation concepts for future-fit personnel management.
Nov 2022 - Present
3 years 2 monthsMunich, Germany
Founder, Managing Director
TripleCar GmbH
- Spearheaded expansion of service lines in vehicle and real estate trading, international vehicle rentals, hospitality and business consulting
- Built payroll system for rapid expansion of private hire transport operations in two new markets
- Led 40 employees in secondary automotive transport market sectors
- Increased revenues year on year by expanding self-drive rentals to three EU countries with over 50 vehicles
- Secured partnerships with international mobility providers and financial institutions, solidifying market position
Mar 2000 - Present
25 years 10 monthsCEO / Financial Management
Mac Cicero GmbH
- Operated a B2B advertising agency providing general advertising services
- Managed PR and branding in the pharmaceutical industry, especially for congresses and fairs
- Directed financial planning and resource allocation to sustain business growth and align fiscal strategies with organizational objectives
May 1998 - Present
27 years 8 monthsEntrepreneur / Managing Director
Irmgard Drey eK, formerly Fotosatz Peter Wandislohner
- General management consulting and related services in human resources, strategy, systems, consulting and coaching
- Directed operational improvements by restructuring internal workflows, streamlining project management and guiding cross-departmental collaboration to support sustainable organizational growth
Mar 1993 - Jun 2017
24 years 4 monthsIngolstadt, Germany
Payroll-Accounting Management
Media-Saturn-Holding GmbH
- Assumed management responsibility for payroll accounting for approximately 3,500 individual accounting cases with four employees under management
- Implemented and introduced international accounting software SAP R/3 with data transfer from legacy systems
- Took over billing and payroll accounting for Saturn Electro-Handelsgesellschaft mbH with approximately 1,000 billing cases
- Established payroll systems in expansion countries and led the introduction of the SAP HR modules OM, PA, PY and PT
- Expanded national personnel administration and accounting into an internationally operating Competence Center (CC) HRIS, including file management, time management, personnel data maintenance, data maintenance for organizational management, preparation of monthly accounting service, process and product management accounting, and special support for top management nationally and internationally
- Acted as HR controlling business partner and provided country support
- Developed international HR payroll policy with communication concept for policy competence
- Engaged in business process management and business development, implementing professional excellence in the HR Services & Processes department and leading the development of internal communication and work platform for HR-PY managers
- Managed international projects with quality and risk management
- Led the post-merger integration of HR processes and systems and a specialist team for due diligence of HR systems for mergers and acquisitions
- Organized and coordinated workshops for human resources strategy development
- Reengineered business processes for efficient human resource management
- Provided intra-company change management consultation
- Managed and coordinated the Great Place to Work information and communication concept
- Co-developed and introduced the HR-IT roadmap
- Established and expanded an international HR controlling agency
- Developed and implemented strategic and operational HR reports
- Introduced SAP BW with international rollout
- Consolidated international payroll and personnel administration processes, ensuring alignment with regulatory frameworks across multiple markets.
Jan 1992 - Feb 1993
1 year 2 monthsMunich, Germany
Authorized Signatory
Rheinhold & Mahla Unterstützungskasse GmbH
- Administered legal and financial obligations as an authorized signatory for the in-house support fund
- Ensured accurate documentation and regulatory adherence during fund transactions and stakeholder communication.
May 1991 - Feb 1993
1 year 10 monthsMunich, Germany
Human Resources Department - Taskforce | IT-Coordinator
Rheinhold & Mahla AG
- Communicative bridge between employees and payroll management
- Active member of internal cost committee for the reduction of general administrative costs
- Statistics and ad-hoc reporting for general labor cost oversight
- Support fund management for in-house retirement fund
- Prepared and managed pension commitments for unionized and senior employees
- Processed due diligence for employee construction loans
- Procurement and processing of information for annual and year-end reporting to stakeholders
- Procurement and implementation of new personnel information system at Reinhold & Mahla
- Severely disabled person registration, professional association registrations, state statistical office reporting, trade tax breakdown, contributions for various employers' associations, contribution splitting for the occupational health service, chamber of commerce and industry membership fees
- Generalist support function for operational departments in preparation of documents related to foreign contract workers
- Led team for the settlement and adjustment of pension benefits
- Coordinated cross-functional collaboration to streamline pension benefit calculations, ensuring compliance with evolving regulatory requirements and enhancing process transparency.
Jan 1985 - Dec 1990
6 yearsMunich, Germany
Human Resources Department - HR Coordination
Siemens AG
- Payroll management and execution
- Travel expense reporting
- Account reconciliation
- Domestic and foreign secondments
- Processing of hiring, transfers and terminations, appointments and contract changes.
Summary
Experienced interim HR manager and SAP HCM / SuccessFactors expert with over 30 years of international experience in strategic and operational HR management. Focus areas include leading and optimizing HR departments, payroll and time management processes, as well as implementing, migrating, and supporting SAP HCM and SF solutions. Areas of work include:
- HR transformation & process optimization
- SAP HCM (PY, PT, PA, OM) & SuccessFactors (EC, TM)
- Project & interim management
- Change management & organizational development
- HR compliance, payroll & HR controlling
Successful project management in complex IT and HR transformation projects, particularly in international and public sector environments.
Languages
German
NativeEnglish
AdvancedEducation
Oct 1990 - Jun 1997
Fernuniversität Hagen
Intermediate diploma (Vordiplom) with subject-specific university entrance qualification · Economics · Hagen, Germany
Oct 1988 - Jun 1990
Telekolleg München
University Entrance Qualification · Munich, Germany
Oct 1986 - Jun 1988
Evening school (VHS)
...and 3 more
Certifications & licenses
Boating license SBF sea and inland navigation.
Certificate of participation in the training according to Section 4 Paragraph 1 No. 4 of the Restaurant Act.
Certificate of professional suitability for domestic and international transport by taxi and rental car.
Passenger Transport License - (Taxi)
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