Marén Münstermann - Interim Change Manager & Strategic Communications Consultant

Q: Where is Marén based?

Marén is based in Herrsching am Ammersee, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Marén speak?

Marén speaks the following languages: English (Advanced), French (Intermediate) .

Q: How many years of experience does Marén have?

Marén has at least 20 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 10 months . Note that Marén may not have shared all experience and actually has more experience.

Q: What is Marén's latest experience?

Marén's most recent position is Interim Change Manager & Strategic Communications Consultant at Giesecke+Devrient .

Q: What companies has Marén worked for in recent years?

In recent years, Marén has worked for Giesecke+Devrient and COM4CHANGE .

Q: Which industries is Marén most experienced in?

Marén is most experienced in industries like Manufacturing , Professional Services , and Information Technology (IT) . Marén also has some experience in Automotive .

Q: Which business areas is Marén most experienced in?

Marén is most experienced in business areas like Strategy and Planning , Marketing , and Project Management . Marén also has some experience in Product Development , Business Intelligence , and Research and Development (R&D) .

Q: Which industries has Marén worked in recently?

Marén has recently worked in industries like Professional Services and Information Technology (IT) .

Q: Which business areas has Marén worked in recently?

Marén has recently worked in business areas like Project Management and Strategy and Planning .

Recommended expert

Herrsching am Ammersee, Germany

Experience

Jan 2020 - Dec 2024

5 years

Munich, Germany

Interim Change Manager & Strategic Communications Consultant

Giesecke+Devrient

Supported AI rollout strategically and operationally (target vision, readiness check, upskilling, use cases)
Designed and scaled knowledge formats for different target groups and needs
Developed and implemented a cross-channel communications strategy for the CTO covering AI, cloud and quantum
Refined and positioned the CTO's vision, mission and value proposition & strengthened tech leadership
Engaged stakeholders with a focus on involvement and change readiness

Jan 2017 - Dec 2019

3 years

Munich, Germany

Interim Strategic Communications & Change Consultant

Mobile Security GmbH

Mapped pain points & USPs for targeted communication
Guided website relaunch as a change process (concept, structure, content, narrative)
Developed key messages and storylines, aligned to personas and expectations, and communicated across channels

Jan 2016 - Present

10 years 2 months

Herrsching, Germany

Interim Manager

COM4CHANGE

Communications expert and change manager specialized in strategic realignment and technological transformation
Provides strategic guidance and hands-on support to drive change successfully and embed key technologies like AI

Jan 2013 - Dec 2016

4 years

Munich, Germany

Market Analyst, Strategy & Market Intelligence LED Solutions & Projects

OSRAM GmbH

Analyzed global market trends and identified new LED business opportunities
Developed data-driven strategies for vertical markets and derived targeted recommendations

Jan 2010 - Dec 2013

4 years

Munich, Germany

Team Lead, LED Ambient Lighting Category

OSRAM GmbH

Built and led a team (4 FTE) for LED ambient lighting
Developed new product lines & go-to-market strategies
Managed stakeholder relations & change communication within a matrix structure
Implemented structures, processes and reporting; managed suppliers and ensured quality

Jan 2007 - Dec 2010

4 years

Munich, Germany

Senior Product Marketing Manager LED Ambient Lighting

OSRAM GmbH

Designed and analyzed Europe-wide product and market studies for product development
Developed and launched a new product portfolio in collaboration with suppliers
Introduced user-focused product communication instead of feature-centered messaging, in close coordination with sales and marketing
Created marketing content (text, images, video) for complex B2B products

Jan 2006 - Dec 2007

2 years

Munich, Germany

Global Account Marketing Manager

SIEMENS AG

Developed global communication and marketing strategies to secure market share and sales volume
Implemented standardized sales and marketing tools to increase efficiency

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Manufacturing (11 years), Professional Services (10 years), Information Technology (8 years), and Automotive (4 years).

Manufacturing

Professional Services

Information Technology

Automotive

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Strategy (13 years), Marketing (11 years), Project Management (10 years), Product Development (7 years), Business Intelligence (4 years), and Research and Development (4 years).

Strategy

Marketing

Project Management

Product Development

Business Intelligence

Research and Development

Summary

I support transformation – in consulting & interim.

Communication is my lever.

Communication & change experience – in large corporations and medium-sized companies
15 years of leadership experience in corporations and SMEs
Certified in change communication, change management & organizational development
10 years of experience leading teams and projects
Sectors: 10 years of leadership responsibility for teams and projects in telecommunications, lighting solutions, automotive, tech security
Change projects in phases of upheaval: building and restructuring teams and structures
Availability: team/25% & full-time, lead roles, scalable business and sales models (remote, hybrid or on-site), e.g. transitioning 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 mandates

Skills

Project Responsibility In Strategic & Digital Transformation, Communication And Brand – At Companies Like Siemens, Osram, Giesecke+devrient And Bmw/mini.
Strong Communication And Precise Wording At C-level – With Experience In Matrix Organizations, Project Management And Cross-departmental Alignment.
Development And Implementation Of Change Architectures – Especially In Technological Upheavals Such As Ai Adoption.
Strategic Support Of Ai Projects: Goal Setting, Stakeholder Analysis, Use Case Development, Knowledge Formats & Roadmap Design.
Designing And Facilitating Effective Workshops, Leadership Dialogues And Dialogue Formats – For Activation, Engagement And Sustainable Anchoring.
Managing Complex Stakeholder Interests – With A Clear Focus On Communication, Acceptance And Organizational Dynamics.
Leading Project Teams & Interdisciplinary Units – In Growth And Change Situations.
Supporting Market Entry & Scaling Of New Business Areas – With A Focus On Customer Perspective, Communication Strategy & Structural Setup.

Languages

English

Advanced

French

Intermediate

Education

Oct 1996 - Jun 2002

Ludwig-Maximilians-Universität

Master's · Communication Science, Psychology · Munich, Germany

Certifications & licenses

Master Management with AI – MMAI

Academy4.ai

Business Facilitator/Google Analytics Moderator

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 according to the Harvard Model, CRM Automation

Management Academy Munich

Profile

Created

August 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Marén based?

Marén is based in Herrsching am Ammersee, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Marén speak?

Marén speaks the following languages: English (Advanced), French (Intermediate).

How many years of experience does Marén have?

Marén has at least 20 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 10 months. Note that Marén may not have shared all experience and actually has more experience.

What roles would Marén be best suited for?

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.

What is Marén's latest experience?

Marén's most recent position is Interim Change Manager & Strategic Communications Consultant at Giesecke+Devrient.

What companies has Marén worked for in recent years?

In recent years, Marén has worked for Giesecke+Devrient and COM4CHANGE.

Which industries is Marén most experienced in?

Marén is most experienced in industries like Manufacturing, Professional Services, and Information Technology (IT). Marén also has some experience in Automotive.

Which business areas is Marén most experienced in?

Marén is most experienced in business areas like Strategy and Planning, Marketing, and Project Management. Marén also has some experience in Product Development, Business Intelligence, and Research and Development (R&D).

Which industries has Marén worked in recently?

Marén has recently worked in industries like Professional Services and Information Technology (IT).

Which business areas has Marén worked in recently?

Marén has recently worked in business areas like Project Management and Strategy and Planning.

What is Marén's education?

Marén holds a Master in Communication Science, Psychology from Ludwig-Maximilians-Universität.

Does Marén have any certificates?

Marén has 7 certificates. Among them, these include: Master Management with AI – MMAI, Business Facilitator/Google Analytics Moderator, and Organizational Development and Change Management.

What is the availability of Marén?

Marén is immediately available part-time for suitable projects.

What is the rate of Marén?

Marén's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.