Marén Münstermann - Interim Change Manager & Strategic Communications Consultant

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 1 month

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

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.