Marén Münstermann - Interim Change Manager & Comms Advisor

Recommended expert

Herrsching am Ammersee, Germany

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Experience

Jan 2020 - Dec 2024

5 years

Munich, Germany

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

Jan 2017 - Dec 2019

3 years

Munich, Germany

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

Jan 2016 - Present

10 years 8 months

Herrsching, Germany

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

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 areas
Developed data-driven strategies for vertical markets and derived targeted recommendations

Jan 2010 - Dec 2013

4 years

Munich, Germany

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

Jan 2007 - Dec 2010

4 years

Munich, Germany

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

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
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.

Manufacturing

Professional Services

Information Technology

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.

Strategy

Marketing

Project Management

Product Development

Business Intelligence

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

English

Advanced

French

Intermediate

Education

Oct 1996 - Jun 2002

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

Total positions 7

Experience in Manufacturing 11 y

Avg length 4 y 7 m

Longest experience 10 y 7 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Interim - Change Manager & Strategic Communications Consultant, Interim - Strategic Communications & Change Consultant, Interim Manager

Main industries Manufacturing, Professional Services, Information Technology

Main business areas Strategy, Marketing, Project Management

Qualifications

Highest degree Master

Certifications earned 7

Profile

Created

August 2025

Last Update

August 2026

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Frequently asked questions

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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.

Marén is immediately available part-time for suitable projects.

Daily Rate Distribution

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The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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Daily rate avg. 823 €

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1000

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Median rate 800 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.