Wendelin Müller - Interim Executive for Transformation

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Wedel, Germany

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Experience

Jul 2026 - Aug 2026

2 months

Project Lead

MCC Germany GmbH

Identification and quantification of additional market potential among existing customers, new customers and customers to be reactivated; development of lead-finding potential amounting to a doubling of current revenue at individual customer level
Identification of further market potential outside the core market
Current status: Development of a proposal for designing the sales organization to enable the location to access the group’s global sales and provide the group with a globally marketable high-margin product

Jan 2026 - May 2026

5 months

Project Lead

SGS Germany Holding GmbH

Development and operationalization of a new three-pillar target organization with clear roles, responsibilities and interfaces
Design of a step-by-step ramp-up of the target organization while ensuring ongoing operations
Optimization and modularization of core HR processes in preparation for handover to a Shared Services Center
Adjustment of the IT systems landscape and interfaces; improvement of service quality and reduction of HR costs by 15 %

Mar 2025 - Dec 2025

10 months

Chief Transformation Officer

Losberger De Boer

Development and leadership of a global transformation and value creation program
Implementation of a Sales Quick-Hit program as a Revenue Engine in the core market with a 3,5 Mio. Top-Line effect in 6 months together with SimonKucher; rollout of the program in 9 country organizations
Introduction of account management and central campaign management, optimization of sales funnel monitoring and management of sales activities
Significant improvement in product portfolio profitability through portfolio and offering clean-up and complexity reduction
EBITDA improvement > 5 Mio. € (first year, 11 Mio. € full year), ensuring Covenant and Compliance
Building a scalable PMO and international change program in 9 countries
Embedding a clear vision, leadership agenda and communication architecture

Sep 2023 - Apr 2024

8 months

Program Management

Boehringer Ingelheim

Establishment and leadership of the Program Management Office, 50.000 employees, 9 languages
Coordination of questionnaire, project communication to Senior Leadership and employees, ensuring IT prerequisites and data protection requirements
Management of the entire implementation, service provider management, consolidation of results, derivation of actions

Jan 2023 - Jul 2023

7 months

Restructuring, Performance Improvement, Strategic Realignment

Meyle+Müller

Realignment/re-positioning based on digital/computer-generated imagery expertise, one-stop-shopping full service for catalog providers and online retailers
Stabilization of the company in a situation at risk of insolvency
Professionalization of funnel management, development of content for campaign marketing and nurturing along the contact chain
Optimization of resource management in service delivery and costing
Creating transparency regarding P+L, balance sheet, cost drivers and capacity utilization
Liquidity stabilization and improvement of order costing

Sep 2022 - Apr 2023

8 months

Program Management

Boehringer Ingelheim

Set up and led the Program Management Office, 50.000 employees, 9 languages
Coordinated the questionnaire, project communication to Senior Leadership and employees, ensuring IT prerequisites and data protection requirements
Managed the entire execution, coordinated service providers, consolidated results, and derived actions

Feb 2022 - Jun 2022

5 months

Call Center Optimierung, Customer Contact Center, Customer Satisfaction

Nürnberger Versicherung

Reorganized telephone and written correspondence, optimized processes, and adjusted positions and requirements profiles
Restructured and improved performance, reducing costs by approx. 8%
Introduced new compensation models and KPI management, investing in higher-value employee profiles
Managed the BaFin approval process

Jan 2022 - May 2022

5 months

Projektleitung

Boehringer Ingelheim

Developed the basic organizational logic and rules of engagement
Prepared role profiles, requirements profiles, and interface management
Defined use cases and decision criteria for the project portfolio

Mar 2021 - Oct 2021

8 months

Program-Leitung

Boehringer Ingelheim

Set up program management for a global Data-Science-Academy
Designed the organization and processes, and implemented the learning platform
Managed the tender process, coordinated providers, and led the international rollout
Defined competency profiles, application areas, career paths, and learning architecture,

Feb 2020 - Jan 2021

1 year

On-site

Projekt Portfolio Management, Systemeinführung, Program Management

Alte Leipziger/Hallesche Versicherung

Defined the complete PPM process end to end, including project evaluation, prioritization, resource and capacity management, and project costing
Created transparency around resource requirements and allocation; identified significant efficiency potential through tied-up capacities
Developed a target model for resource management combining Kanban principles with traditional project resource planning
Functional specification, customizing, testing, and implementation of the Enterprise PPM solution AXCelerate with high-level Board visibility.
On time - on budget - on quality

Sep 2019 - Dec 2019

4 months

On-site

Call Center Performance Improvement, Strategic Realignment

Communigate GmbH

Performance analysis and development of an operational improvement program
Identification of implementation-ready growth opportunities in Financial Services markets
Repositioning and redesign of sales and market development

May 2019 - Aug 2019

4 months

On-site

Management Consultant

J. W. Ostendorf

International commercial performance program, portfolio optimization, introduction of category management, ABC analysis of customers and channels
Improvement of EBITDA margin by 3 percentage points
Profitability management, segmentation and development of site measures
EBITDA increase of approx. 4 percentage points

Jan 2019 - May 2019

5 months

On-site

Management Consultant

Permatec GmbH

Increased efficiency of global sales processes, introduction of standardized market development (MS Dynamics 365), establishment of sales management, KPIs and incentives
Funnel management and systematic lead generation
Optimization of product management and marketing support for sales
Identification of global market potential, development of an implementation-ready growth strategy (8% growth p.a. over 5 years)

Jan 2018 - Apr 2018

4 months

Hybrid

Management Consultant

M3B Messe Bremen

Reorganization of the company structure, establishment of a holding and service center model,
Identification of 15% cost reduction / earnings improvement potential
Specialization / centralization of the sales organization, introduction of sales standards and CRM processes
Introduction of new management and performance systems
Earnings improvement program leading to a balanced result

Sep 2017 - Sep 2018

1 year 1 month

Interim Chief Marketing Officer

SDK Krankenversicherung

Design, development and implementation of a strategic repositioning, including corresponding rebranding of the SDK brand
Development of a multifunctional website with service offerings and online quote processes
Establishment of social media channels including performance marketing (KPIs),
Agency management, implementation management across all channels
Redesign of sales and market development for the corporate customer business (product portfolio, sales materials, pitch decks, online closing processes
1,6 Mrd. € revenue, 900 employees, 16-person marketing team, 10 Mio. € budget

Jan 2017 - Apr 2017

4 months

Hybrid

Management Consultant

M3B Messe Bremen

Reorganisation of company structure, establishment of holding and service centres
Identification of 15% cost reduction / earnings improvement potential
Development and alignment of implementation-ready measures: specialisation/centralisation of the Sales organisation, introduction of Sales standards and CRM processes
Introduction of new leadership and performance systems

Nov 2015 - Aug 2016

10 months

Chief Restructuring Officer

EGE GmbH

Pre-insolvency restructuring and stabilisation
Introduction of Sales&Operations Planning
Return to industry-standard profitability | Fulfilment of all Covenants
Strengthening of the management team, clarity and responsibilities

Apr 2015 - Sep 2015

6 months

Hybrid

Management Consultant

GESTRA AG

Development and implementation of a global growth strategy
Reorganisation of the sales organisation, allocation of responsibilities, core processes and interface management
Design of Global Key-Account Management and
Optimisation of interfaces in order processing/ Sales&Operations Planning
Revenue growth of approx. 11 %

Jun 2013 - Present

13 years 4 months

Founder & Owner

wendelin mueller consultants

Strategic repositioning & Go-to-Market programmes
Leadership of transformation & restructuring programmes
Management of complex stakeholder landscapes
Ensuring sustainable implementation & impact

Nov 2011 - May 2013

1 year 7 months

Düsseldorf, Germany

Hybrid

Partner

Horn & Company

Delivery of projects focused on efficiency, organisational structure & sales performance
Client development, Firm-Building, coaching

Aug 2010 - Aug 2011

1 year 1 month

Investment Director

AureliusAG

Commercial Performance Improvement Program
Repositioning and rebranding of three TV shopping channels, establishment of corresponding online sales channels
Reorganization of global service provider network (Customer Services, Logistics

Aug 2010 - Aug 2011

1 year 1 month

London, United Kingdom

CEO/CMO

Sit-up Limited

Commercial Performance Improvement Program
Repositioning and rebranding of three TV shopping channels, establishment of corresponding online sales channels
Reorganization of global service provider network (Customer Services, Logistics

Nov 2003 - Jul 2010

6 years 9 months

Düsseldorf, Germany

Hybrid

Partner & Site Manager

Droege & Comp.

Management of the Hamburg office and Marketing Center of Excellence
Implementation of numerous transformation and performance programs
Specialization in market development and Commercial Performance

Nov 2001 - Nov 2002

1 year 1 month

Director Marketing

Randstad Deutschland

Responsibility within the Post-Merger Integration and organizational/market realignment
Lead Country in the global brand relaunch and implementation of the new positioning in Germany
Harmonization of market presence, marketing structures and central activities in the integration context
Establishment of product and innovation management, as well as responsibility for the marketing organization and communications

Mar 1996 - Oct 2001

5 years 8 months

Hybrid

Senior Principal

Droege & Comp.

Management of complex transformation and efficiency projects
Functional focus on marketing/market development, sales and Commercial Performance
Thought Leadership & studies

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Professional Services, Banking and Finance, Insurance, Pharmaceutical, Media and Entertainment, and Retail.

Professional Services

Banking and Finance

Insurance

Pharmaceutical

Media and Entertainment

Retail

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Project Management, Marketing, Strategy, Sales, Human Resources, and Information Technology.

Project Management

Marketing

Strategy

Sales

Human Resources

Information Technology

Summary

Interim Executive and Senior Transformation Leader with over 20 years of experience in top management consulting and operational transformation leadership.
Expertise in transformation, post-merger integration, target operating models, value creation and complex program management.
Successful leadership of international multi-workstream programs with measurable impact on EBITDA, cash, organizational performance and execution speed.
Building and leading high-performing PMO/transformation structures – from governance and prioritization through workstream management and decision management to consistent execution of initiatives.

Skills

Functional And Focus Areas

Transformation, Post-Merger Integration & Target Operating Models
Program Management / High Performance Pmo & Multi-Workstream Management
Process Optimization, Digitalization & Organizational Development
Performance Improvement & Value Creation
Commercial Excellence, Market Development & Sales
Change Management, Leadership & Stakeholder Mobilization

Leadership And Culture As Performance Drivers

Developing And Embedding Clear Visions/ Guiding Principles And Missions
Building Performance-Oriented Leadership And Management Structures
Culture Shaping: From Uncertainty To Ownership, Accountability, Speed
Establishing Effective Communication And Feedback Channels
Designing Integrated Change Architectures To Ensure Consistent Execution
Systematically Translating “Soft” Factors Into Hard Commercial Effects: Productivity, Speed, Stability, Customer Focus, Sustainable Performance

Industry Experience

B2b Services
Mechanical Engineering & Manufacturing Industry
Retail & Consumer Goods
Pharma & Lifesciences
Insurance

Languages

German

Native

English

Advanced

French

Intermediate

Education

Oct 1991 - Dec 1995

Universität des Saarlandes

Dr. rer. oec · International Brand Management · Saarbrücken, Germany · Magna Cum Laude

Empirical study of the standardizability of international positioning strategies

Apr 1987 - Jul 1991

Universität des Saarlandes

Diplom-Kaufmann · Marketing · Saarbrücken, Germany · 2,1

Specialized in marketing, retail and organization Behavioral science focus

Certifications & licenses

Certified Marshall Goldsmith Stakeholder Centered Coach

Certified Turnaround & Restructuring Advisor

IfUS Heidelberg

Statistics

Experience

Total positions 25

Experience in Professional Services 28 y

Avg length 1 y 6 m

Longest experience 13 y 3 m

Global experience

Countries worked in 2 (Germany, United Kingdom)

Primary country Germany

Expertise

Recent roles Project Lead, Chief Transformation Officer, Program Management

Main industries Professional Services, Banking and Finance, Insurance

Main business areas Project Management, Marketing, Strategy

Qualifications

Highest degree Doctorate

Certifications earned 2

Profile

Member since

September 2026

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Frequently asked questions

Have questions? Find more information here.

Wendelin is based in Wedel, Germany and can operate in on-site, hybrid, and remote work models.

Wendelin speaks the following languages: German (Native), English (Advanced), French (Intermediate).

Wendelin has at least 29 years of experience. During this time, Wendelin has worked in at least 19 different roles and for 20 different companies. The average length of individual experience is 1 year and 2 months. Note that Wendelin may not have shared all experience and actually has more experience.

Based on recent experience, Wendelin would be well-suited for roles such as: Project Lead, Chief Transformation Officer, Program Management.

Wendelin's most recent position is Project Lead at MCC Germany GmbH.

In recent years, Wendelin has worked for MCC Germany GmbH, SGS Germany Holding GmbH, Losberger De Boer, Boehringer Ingelheim, and Meyle+Müller.

Wendelin is most experienced in industries like Professional Services, Banking and Finance, and Insurance. Wendelin also has some experience in Pharmaceutical, Media and Entertainment, and Retail.

Wendelin is most experienced in business areas like Project Management, Marketing, and Strategy. Wendelin also has some experience in Sales, Customer Service, and Human Resources.

Wendelin has recently worked in industries like Professional Services, Pharmaceutical, and Construction.

Wendelin has recently worked in business areas like Project Management, Strategy, and Marketing.

Wendelin holds a Doctorate in International Brand Management from Universität des Saarlandes and a Master in Marketing from Universität des Saarlandes.

Wendelin has 2 certificates. These include: Certified Marshall Goldsmith Stakeholder Centered Coach and Certified Turnaround & Restructuring Advisor.

Wendelin is immediately available full-time for suitable projects.

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Daily rate avg. 945 €

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Median rate 960 €

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Calculated based on our freelancers’ daily rates as of 26 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.