Hagen (Dr.) Ringshausen-Professor of Business Administration (‘International Human Resource Management’), Chair of Human Resources & Organisation
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Experience
Professor of Business Administration (‘International Human Resource Management’), Chair of Human Resources & Organisation
TH Wildau
- Managed operational HR day-to-day business as Senior HR Business Partner
- Further developed the role understanding for operational HR employees under the HR Business Partner model
- Led change management after the DOMOFERM/JELD-WEN joint venture
- Implemented a KPI-based HR reporting system
- Concluded company agreements on flexible working hours, holiday arrangements, company integration management (BEM), etc.
- Developed employer branding initiatives to attract young talent
Sr. Manager HR Consulting & Organizational Development Consulting
Detego Human Capital Consulting
- R+V Insurance: established a shared service centre for 15,000 employees with 65 HR staff
- DRÄGER WERKE: developed shared service centres and HR KPIs for business processes
- HSH Nordbank: outsourced the IT department and managed change management
- Languages: German (native), English (business fluent)
- HR IT: SAP, PeopleSoft
Head of Human Resources, Central Long-Distance & Regional Transport
Hansalog Deutsche Bahn AG
- Managed HR for 2,800 employees with 18 direct reports, 2 works councils, and 3 trade unions
- Standardized HR business processes
- Planned and piloted trust-based working hours
- Executed partial relocation from Frankfurt to Berlin (Section 613a German Civil Code – transfer of operations)
Manager Organization & Human Performance
Accenture GmbH (Andersen Consulting)
- Focus on international change management and reorganization projects
- Doctoral thesis in Business Administration
- Degree in Business Education
Consultant and Project Manager for Personnel and Organizational Development
Dieter Strametz & Partner GmbH
- Available throughout Germany for on-site, hybrid, and remote work
- Focus on change management and development and implementation of assessment centers
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Education, Banking and Finance, Insurance, Manufacturing, Transportation, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Human Resources, Information Technology, Project Management, and Strategy.
Summary
- "Leadership by Ringshausen: HR & Factory Management through transparency & participation"
- "He connects with employees like no one else – because he's there, even on night and late shifts; because he listens and then takes actions that are truly appropriate for the situation."
- "An HR professional with the right grasp of the overall business: economic committee work, mediation with first and second management levels, explaining commercial results, and finding and implementing efficiency potentials together with management."
- "Someone who doesn't shy away from delicate, personal measures. He has a proven, proactive approach to conflict management."
- Incentives: personal support through one-on-one coaching for production managers, shift supervisors, and other key positions. He is both a systemic coach and a consultant in one.
HR Interim Manager & Consultant: operational HR management | HR project management | HR strategy consulting | business roles
- Global management and alignment of HR organizations: professionalization and globalization of HR as a strategic partner for the business (structure, process, IT platforms); HR transformation; establishing and expanding Centers of Excellence and shared services; HR key performance indicators (KPIs) – 1,000 to 5,000 employees, from SMEs to large global companies
- Head of HR – 100 to 800 employees
- Support in transformation, development, and reorganization: organizational development, transformation, change management
- C-level advisory and sparring (CEO, CFO, CHRO)
- Executive coaching (middle and upper management)
Skills
Post-Merger Integration: Aligning And Harmonizing German And European Operational Structures In Us And Asian Companies
M&A And Outsourcing: Planning And Execution – From Due Diligence To Daily Operations
Restructuring And Reorganization: Implementing Structural Adjustments, Cost Cutting, Closures, Partial Closures, And Short-Time Work
Hr Operational Excellence: Kpi-Driven Optimization And Sustainable Efficiency Gains In Hr Services; Process Optimization, Standardization, Ai Integration, Hr Digitization
Co-Determination And Cooperation Between Management And Works Council: Reviewing, Adapting, And Redesigning Company Rules And Standards (Works Constitution Act – Betrvg); Facilitating Cooperation With Trade Unions During Organizational Changes Such As M&A, Joint Ventures, And Closures
Personnel Development
Succession Planning
Talent Management
Aptitude Testing
Potential Analysis
Performance Reviews
Employee Surveys
Employer Branding
Workplace Safety
Return-To-Work Programme
Bonus Scheme
Outplacement And Coaching
Working Time Models
Holiday Arrangements
Etc.
Individual Personnel Measures
Works Constitution Act (Betrvg)
Era And Pay Structure
Transfer Of Operations (Section 613a German Civil Code)
Reconciliation Of Interests And Social Plan
Company Agreements
Works Council And Trade Union
Ig Metall
Chemicals
Pharmaceuticals
Public Services, Transport And Traffic Union (ÖTv)
Sap
Peoplesoft
Hansalog
Strong It Affinity
Languages
Education
Doctoral thesis · Business Administration
Degree · Business Education
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Hagen is based in Brandenburg an der Havel, Germany.
Hagen speaks the following languages: German (Native), English (Advanced).
Hagen has at least 15 years of experience. During this time, Hagen has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 3 years. Note that Hagen may not have shared all experience and actually has more experience.
Based on recent experience, Hagen would be well-suited for roles such as: Professor of Business Administration (‘International Human Resource Management’), Chair of Human Resources & Organisation, Sr. Manager HR Consulting & Organizational Development Consulting, Head of Human Resources, Central Long-Distance & Regional Transport.
Hagen's most recent position is Professor of Business Administration (‘International Human Resource Management’), Chair of Human Resources & Organisation at TH Wildau.
Hagen is most experienced in industries like Education, Banking and Finance, and Insurance. Hagen also has some experience in Manufacturing, Transportation, and Professional Services.
Hagen is most experienced in business areas like Human Resources, Information Technology, and Project Management. Hagen also has some experience in Strategy.
Hagen holds a Doctorate in Business Administration.
The availability of Hagen needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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