Marén Münstermann-Interim - Change Manager & Strategic Communications Consultant
Check rate
Experience
Interim - Change Manager & Strategic Communications Consultant
Giesecke+Devrient
- Supported the AI rollout strategically and operationally (target picture, readiness check, upskilling, use cases)
- Designed and scaled knowledge formats for different target groups and needs
- Developed and implemented the CTO communication strategy for AI, cloud and quantum across all channels
- Sharpened and positioned the CTO vision, mission and value proposition & expanded tech leadership
- Involved stakeholders with a focus on engagement and readiness for change
Interim - Strategic Communications & Change Consultant
Mobile Security GmbH
- Prepared pain points & USPs for targeted communication
- Supported the website relaunch as a change process (concept, structure, content, narrative)
- Developed key messages and storylines, aligned them with personas and expectations and communicated them across all channels
Interim Manager
COM4CHANGE
- Communications expert and change manager specialized in strategic repositioning and technological transformation
- Supports change strategically and hands-on to drive transformation successfully and anchor key technologies such as AI effectively
Market Analyst, Strategy & Market Intelligence LED Solutions & Projects
OSRAM GmbH
- Analyzed global market trends and identified new LED business areas
- Developed data-driven strategies for vertical markets and derived targeted recommendations
Team Lead of the LED Ambient Lighting Category
OSRAM GmbH
- Built and led a team (4 FTE) for LED Ambient
- Developed new product lines & go-to-market strategies
- Managed stakeholder management & change communication in the matrix structure
- Introduced structures, processes and reporting; managed suppliers and ensured quality
Senior Product Marketing Manager LED Ambient Lighting
OSRAM GmbH
- Designed and evaluated Europe-wide product and market studies for product development
- Developed and launched a new product portfolio in cooperation with suppliers
- Introduced user-focused product communication instead of feature-centered communication in close coordination with Sales & Marketing
- Created marketing content (text, images, video) for complex B2B products
Global Account Marketing Manager
SIEMENS AG
- Developed global communication and marketing strategies to secure market share and sales volume
- Introduced standardized sales and marketing tools to increase efficiency
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Professional Services, Information Technology, and Automotive.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Strategy, Marketing, Project Management, Product Development, Business Intelligence, and Research and Development.
Summary
I support transformation – in consulting & interim.
Communication is my lever.
- Over 15 years of experience in communication and change management – in large corporations and mid-sized companies
- 15 years of leadership experience in industry and corporate settings
- Certified change manager and communication expert in change management & organizational development
- 10 years of experience leading teams and projects
- 10 years of leadership responsibility for teams and projects in: telecommunications, lighting solutions, automotive, tech security
- Specialized in critical transformation phases: building up and restructuring teams and structures, culture, leadership, and change in times of AI
- Available from 06/2025 for consulting, leadership, and interim assignments (remote, hybrid or on site)
- Transformation of business and sales models, e.g. from hardware sales to smart solution offerings
- Industries include: telecommunications, lighting solutions, automotive, high-tech, transport & logistics, software & IT, mechanical engineering
Availability: from 09/2025 for consulting and interim assignments
Skills
- Project Responsibility In Strategic & Digital Transformation, Communication And Brand – With Companies Such As Siemens, Osram, Giesecke+Devrient And Bmw/Mini.
- Strong Communicator With A Sharp Way Of Writing And Presenting At C-Level – With Experience In Matrix Organizations, Project Leadership And Cross-Functional Alignment.
- Development And Implementation Of Change Architectures – Especially In Times Of Technological Shifts, Such As The Introduction Of Ai.
- Strategic Support For Ai Projects: Goal Definition, Stakeholder Analysis, Use Case Development, Knowledge Formats & Roadmap Design.
- Design And Facilitation Of Effective Workshops, Leadership Dialogues And Dialogue Formats – To Activate, Involve And Embed Change Sustainably.
- Steering Complex Stakeholder Interests – With A Clear Eye For Communication, Acceptance And Organizational Dynamics.
- Leading Project Teams & Cross-Functional Units – In Growth And Change Situations.
- Support With Market Entry & Scaling Of New Business Areas – With A Focus On Customer Perspective, Communication Strategy & Building Structure.
Languages
Education
Ludwig Maximilian University
Master of Arts · Communication Studies, Psychology · Munich, Germany
Certifications & licenses
Master Management With Ai – Mmai
Academy4.ai
Business Facilitator/Moderation Google Analytics
Institute for Coaching & Organizational Development, Augsburg
Organizational Development And Change Management
ICO, Augsburg
Change Communication Manager
Bavarian Press Academy ABP, Munich
Creativity Techniques To Support Change Processes
Management Academy Munich
SIEMENS Management Development Program
Negotiation Training Based On The Harvard Model CRM Automation
Management Academy Munich
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Marén is based in Herrsching am Ammersee, Germany and can operate in on-site, hybrid, and remote work models.
Marén speaks the following languages: English (Advanced), French (Intermediate).
Marén has at least 21 years of experience. During this time, Marén has worked in at least 7 different roles and for 5 different companies. The average length of individual experience is 3 years and 11 months. Note that Marén may not have shared all experience and actually has more experience.
Based on recent experience, Marén would be well-suited for roles such as: Interim - Change Manager & Strategic Communications Consultant, Interim - Strategic Communications & Change Consultant, Interim Manager.
Marén's most recent position is Interim - Change Manager & Strategic Communications Consultant at Giesecke+Devrient.
In recent years, Marén has worked for Giesecke+Devrient and COM4CHANGE.
Marén is most experienced in industries like Manufacturing, Professional Services, and Information Technology. Marén also has some experience in Automotive.
Marén is most experienced in business areas like Strategy, Marketing, and Project Management. Marén also has some experience in Product Development, Business Intelligence, and Research and Development.
Marén has recently worked in industries like Professional Services and Information Technology.
Marén has recently worked in business areas like Project Management and Strategy.
Marén holds a Master in Communication Studies, Psychology from Ludwig Maximilian University.
Marén has 7 certificates. Among them, these include: Master Management With Ai – Mmai, Business Facilitator/Moderation Google Analytics, and Organizational Development And Change Management.
The availability of Marén needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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