Matthias B.-Interim Manager for Transformation, Change and Restructuring
Check rate
Experience
Member
Rotary – Passport Club Werderscher Markt
Interim Restructuring Manager
Window and Door Manufacturing (Emsland)
Insolvency under self-administration
- Advised, coached, and directly supported the insolvency management and insolvency administrator in ongoing crisis management; significantly increased the resilience, decision-making ability, and capacity to act of the interim managing director
- Co-responsible for restructuring measures - closure of unprofitable sites, workforce adjustments and layoffs, as well as process optimization with documentation - thereby improving liquidity and securing around 70% of jobs
- Created a complete overview of business processes in logistics, accounting, and HR, laying the foundation for future improvements and efficiency gains
- Developed a strategy for the purchasing department as well as employee and motivation strategies to secure stability, retention of key staff, and performance during the crisis
- Prepared and supported negotiations and discussions with major suppliers, creditors, and regional bank executives; achieved high waiver amounts, strengthened trust, and largely prevented resignations of key employees
Interim Change Manager
Automobile Manufacturer (OEM)
Agile transformation of the board area for electric vehicle battery development using SAFe® (5 ARTs, 400+ people DE/EU/CN, portfolio target > €1bn).
- Advised, trained, and coached leaders in agile leadership, significantly increasing acceptance of and confidence in agile ways of working
- Structured the agile portfolio (initially approx. €150m) and introduced PI plannings with quality metrics, which noticeably improved planning quality and prioritization
- Trained teams and interface areas and supported their collaboration, which stabilized alignment and reduced ad hoc management interventions
Interim Agile Coach / Consultant
Defense (public sector)
- Advised and enabled several agile teams as well as the project lead in setting up and establishing agile KPIs to create transparency on progress, flow, and delivery capability and to enable data-based management
- Coached leaders in agile leadership and supported them in using the KPIs to drive effective decisions and continuous improvement
Interim Change Manager
State Police Authority, public sector
Agile transformation of a police software/infrastructure department; 50+ people, focus on development, operations, support, and incident management (L1-L3).
- Supported change communication, 1:1 coaching of department heads and specialist coordinators, and training of product owners, which led to higher team satisfaction and better mutual understanding
- Introduced SAFe® PI Planning and targeted alignment formats, improving cross-functional collaboration and enabling more constructive conflict resolution
- Introduced a regular survey on the status of agile development to identify problem areas early and strengthen the teams' problem-solving skills
Agile Coach
Federal authority, public service
SAP S/4HANA Greenfield in ART P2P (SRM/MM), part of a SAFe® Solution Train; 500+ people, adapted SAFe®.
- Supported the team and leadership in fine-tuning the agile way of working, improving flow in the ART, reducing escalations and increasing satisfaction
- Advised stakeholders and business units and set up coordination formats, which improved collaboration and clarity around priorities and delivery expectations
- Took over SAP MM consulting incl. ABAP code reading and debugging to analyze business issues faster and speed up implementation in the P2P environment
Lecturer
Academy for Digital Future
Professional Negotiation, Sales Psychology, Storytelling,
Lecturer
FHDW (private university)
Professional Negotiation
Interim Head of Requirements Management / Transformation Manager
State Ministry
Replacement of the software for public health offices across the state with a cloud-based solution; 60+ people in Germany/Prague, adapted SAFe®.
- Performed process analyses and defined artifacts for MVP 1, creating clarity on scope and priorities and setting up the program in a structured way
- Supported teams and leadership in introducing and further developing agile ways of working to increase collaboration, transparency and reliability of delivery commitments
- Advised stakeholders, coached managers and established change communication, which noticeably increased acceptance for the program and the new way of working
Agile Leadership Coach
Steel company, global leader
Global rollout of AI-based pricing and new pricing software/processes in SAP S/4HANA; 200+ people in Germany/Romania; Scrum, partly SAFe®.
- Supported teams and leadership in further developing the agile method
- Advised stakeholders
- Designed and delivered agile trainings and workshops
- Change communication and leadership coaching
Lecturer
DIPLOMA University of Applied Sciences (private)
- Module "Digital Leadership" for the certification "Digital Management and Digital Value Creation" supported by the Hesse Ministry
- In preparation: module "Digital Leadership" in the master's program; workshops on leadership and professional negotiation
Executive Coach
Automobile manufacturer (OEM)
Introduction of SAFe® for 1,500+ people and, in the corporate context, for 10,000+ people; 15 people from the executive area.
- SAFe® is initially being introduced for 500+ people according to the strategy presented; for the corporate area, the full board decided - as proposed - to not implement it for now
Interim Transformation Manager
Scheidt&Bachmann
Introduction of Lean Portfolio Management and further development of the agile transformation; 200+ people in DE/Ukraine; SAFe® Portfolio Management.
- Advising and coaching the CEO and the Portfolio Manager
- Analysis of a department with 200+ people for the introduction of a product-focused organization
- Advising and coaching the management team on the introduction of Lean Portfolio Management
- Supporting the Lean Portfolio Manager in further developing the agile transformation; change communication; training and coaching all employees
- Deployment strategy within the planning intervals for S&B cash register solutions
Senior Leadership Trainer
Accenture
- Delivery of SAFe® training for leaders and key roles (more than 2,500 trained roles) in global transformation programs
- Training in Leading SAFe®, RTE, Product Manager/Product Owner, Scrum Master and SAFe® for Architects with a focus on implementation confidence and handling critical situations
- Design and delivery of agile trainings and "Agile 4/SAP" formats for a shared understanding of scaled agility in large SAP/S4HANA programs
Team Lead Marketing and Communication (German Chapter)
LEAD Network
Trainer
IHK zu Dortmund
- Design and delivery of Germany’s first IHK-certified training program for "Agile Transformation Coach"
Interim Transformation Manager
Automobilkonzern, global führend
R&D area, data platform for future car generations; 110+ people in Germany; hybrid-agile; budget €200 million.
- Consulting and coaching for TMK/OMK and program management
- Analysis of a project with 80+ people regarding agile ways of working and evaluation of introducing SAFe®
- Training and coaching for management and teams on introducing agile ways of working; support with tenders for agile (SAFe®) projects
Interim Transformation Manager
CATENA-X, Konsortium
European data exchange platform for the automotive industry; 500+ people in Germany; 5 ARTs and portfolio; adapted SAFe®; budget €250+ million.
- Setting up an Agile Release Train (100+ people) for the first PI Planning
- Training and coaching of key roles (RTE, PM, SA, SE, PO)
- Supporting Product Management with backlog and vision, as well as backlog prioritization
Interim Transformation Manager
Biotechnologie- und Pharmakonzern, global führend
Global SAP S/4HANA greenfield implementation; 600+ people globally; adapted SAFe®; budget USD 1+ billion.
- Consulting and coaching the Program Manager, Vendor Manager and PMO leads
- Developing an MVP for the "Agile Playbook" and defining the "Agile Ways of Working"
- Developing the training curriculum; stakeholder management
- Consulting and strategy for the tender process with four global consulting companies; steering the vendor selection process
- Strategy for change communication; creating the solution roadmap
Interim Transformation Manager
Stadtwerke
Change transformation management; 100+ people in Germany; change management.
- Review of all supplier contracts and conversion into process descriptions, role profiles and value profiles to prepare an in-/outsourcing decision
- Preparation of the documents for a Europe-wide tender
- Creation of a change concept including change communication
Host
LinkedIn Local Düsseldorf
Lean-Agile Coach / Workstream Lead
Special Machine Construction / Plant Engineering
SAP consolidation from 60+ systems to one S/4HANA system; 200+ people globally; tailored SAFe®/Hybrid Agile; budget €200m.
- Advising the CIO, CFO and program leadership; developing the implementation strategy
- Support in creating team and program backlogs; selection and rollout of an agile PM tool
- Preparation of the "Big Room Planning"; setup of target group-specific trainings and coaching
- Change communication; definition of KPIs
Lean-Agile Coach
Automotive group (OEM)
Global SAP finance and controlling template for all brands; 400+ people globally; tailored SAFe®, Focused Build; budget €150m.
- Advising the client's program management and Accenture's senior director management on the agile strategy (project stop due to Corona)
Interim Transformation Manager
Statutory health insurance fund, public sector
Introduction of agile ways of working as part of the "AOK 2022" transformation; 100+ people, Magdeburg; Agile.
- Preparation, delivery and follow-up of the first two Big Room Plannings
Proposal Lead
European aviation company
Tender for agile trainings.
- Preparation, coordination and delivery of the on-site sales presentation
- Result: 2nd place (reason: cost); customer feedback: best presentation, clearly under the allotted time (35 instead of 60 minutes)
Lean-Agile Coach / SAFe® Coach
Electrical Engineering / Energy Technology
Global Salesforce rollout for the customer journey; 180+ people, 14 locations (DE/Florida); SAFe®; budget €100 million.
- Introduction of SAFe® incl. two PI planning workshops; responsibility as RTE for two PIs and handover to customer counterpart
- Training and coaching at all levels, including the board; change communication
- Coaching of Product Management on backlog, roadmap and prioritization; coaching of the board on agile topics
Program Management Coach
Mobile Communications and Telecommunications
SAP S/4HANA transformation; 300+ people, UK; budget GBP 150 million.
- Strategic advice to the CFO and the Accenture program lead on the use of SAFe®
Support circle member
IHK Wirtschaftsjunioren Düsseldorf
Senior Team Coach
Insurance, Europe’s largest insurance group
Consolidation of all SAP systems; 150+ people, Austria; tailored SAFe®; budget €2 billion (since 2010).
- CIO coaching; increasing visibility of work interruptions
- Change communication; optimization of workflow
- Company-wide rollout of the "Agility Health Radar" (50+ teams) to measure the success of the agile transformation
SAFe® Portfolio Coach
Insurance sector, world’s largest insurer
SAP HANA native development program; 250+ people globally; tailored SAFe®; budget €200 million.
- Introduction of SAFe® with two Agile Release Trains
- Coordination of portfolio activities for outcome-based prioritization of epics incl. coaching of Epic Owners
- Flow optimization and removal of impediments; change communication
- Building a LACE (Lean-Agile Center of Excellence) and handover to the customer; leading a team of four Agile Coaches
Lean-Agile Coach
Mischkonzern, deutscher Traditionskonzern
Consolidation of six SAP BI systems; 80+ people globally; adapted SAFe®; budget €20 million.
- Preparation for an agile project launch; training of all project members; on-site training and coaching in India
- Support with change communication and backlog creation
- Definition and implementation of metrics; preparation and facilitation of PI Planning
Founding member / Leadership Team, SAP Delivery Excellence
Accenture
- Responsibility for recruiting and sales (annual utilization avg. 85%)
- Design and launch of the world's first SAP Agile Academy for employees from manager level up (2018)
- Training participants to become lean-agile experts in bootcamps; co-development of the financial concept; work as trainer and mentor
- Building a training academy for the open market („SAP Delivery Agility Fundamentals“, ICAgile-certified)
- Further development of the talent program „Jump Start“; coaching and leading eight colleagues as a „Career Counselor“ (including through OKRs)
- Coaching experiment with five people to improve agile leadership skills; advising up to board level; change communication into the global Accenture organization
Senior SAP Lean-Agile Coach / Consultant / Trainer
Accenture GmbH
- Founding and building up the department as part of the leadership team
- Building and leading the Value Stream „Customer Success“ (sales and recruiting)
- Consulting, coaching, training and advisory for large-scale SAP projects with and without SAFe®; change communication
Bullmahn Consulting
- Supporting organizations with tailored change and transformation solutions to embed agility effectively and make digital transformation measurable
- People and leadership at the center – from focused leadership development to building individual (agile) academies and practical training programs
Trainer and Speaker
Diverse clients (national, international)
- Design and delivery of organization and leadership trainings (Agile, SAFe®, leadership) for more than 3,500 participants, including top- to mid-level management of German and global corporations
- Trainings in sales psychology, storytelling and professional negotiation with a focus on effective influence in change and transformation initiatives
- Workshops and talks at national and international conferences on agile transformation, restructuring, professional negotiation and sales psychology
Senior Salesforce Consultant
entero AG
Founding Board Member
Institut für Insolvenzrecht und Sanierung in Weser-Ems und Bremen e.V.
SAP Consultant
Accenture GmbH
- 09/2014–12/2015: SAP FI and FI/CO consultant in steel and pharma; in the steel global template, focus on SAP FI incl. FSCM Dispute Management, SolMan and SD/MM/CO touchpoints (incl. ABAP debugging); workshops, customizing documentation, main contact for India, test company code across FI/CO/SD/MM
- After that, pharma global carve-out as SAP FI/CO consultant: international workshops, data migration documents (HP ALM), operational support for the sub-project lead
- 01/2016–12/2016: lighting manufacturer (LED), responsible for the entire carve-out in SAP Controlling, sub-project lead; Europe-wide setup of a standard data platform and control of the migration; advising country boards and managers at second/third level
SAP CRM Consultant
ITML GmbH
- Across industries (services, mechanical engineering, automotive, consulting) as SAP CRM consultant and at times project lead; focus on SAP CRM (SBC/R3) with MM and SD as well as ABAP (debugging through to development incl. BAdIs/FuBas) and shipping
- Customizing, migrations/conversions, release/update changes, test management, error analysis, steering development tasks, documentation; sub-project marketing (campaign module), Z integrations and Outlook interface; in mechanical engineering SAP classification
Account Manager Executive Search
division one
Sales Associate for Freelance SAP Experts
K2 Partnering Solutions
Interim IT Manager
DATEV e.G.
- Interim IT Manager for two DATEV locations and five training centers
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Professional Services, Information Technology, Manufacturing, Education, Automotive, and Government and Administration.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Project Management, Information Technology, Sales, Legal, Human Resources, and Strategy.
Summary
Matthias Bullmahn is a hands-on interim manager with a clear profile: get transformations across the line - even when it gets tough. He combines many years of leadership experience in international corporations with deep operational grounding, from the shop floor to the executive board.
He started his career as an SAP consultant and has since supported global S/4HANA programs, digital transformations, and complex portfolio and organizational developments with budgets from 30 million to over 1 billion euros. As a founding member of a global delivery unit at Accenture, he was responsible for recruiting, training, and operational steering in large-scale programs.
Matthias stands out through his pragmatic approach, high speed to impact, and consistent focus on results. He builds stakeholder commitment, creates transparency, stabilizes leadership teams, and enables organizations to deliver effectively - especially in tense situations such as restructurings or insolvency under self-administration. This combination of structure, empathy, and influence makes him a strong partner for boards, managing directors, and programs with high pressure and tight expectations.
Whether public sector or industry, corporate group or mid-sized business:
Matthias Bullmahn delivers fast stabilization, clear decision-making bases, and sustainable transformation results. Interim providers value him as a reliable fit for roles such as transformation manager, change lead, program steering, or restructuring.
Skills
- Interim Management
- Restructuring (Including Insolvency Under Self-Administration)
- Business Process Development
- Digitalization
- C-Level Consulting
- Change And Transformation Management
- Organizational Development
- Stakeholder Management
- Portfolio Management
- Sales Psychology (TÜV Certified)
- Professional Negotiation Management (Harvard, Scotwork, Fbi)
- Safe® Program Consultant (Spc® 6)
- Safe® Release Train Engineer (Rte® 6)
- Lean Agile Portfolio Management
- Lean Methods
- Global Sap Rollouts
- Sap S/4hana
- Incident Management
- Sap Fi
- Sap Co
- Sap Sd
- Sap Mm
- Sap Abap Development
- Sap Customizing
Languages
Education
Jade University of Applied Sciences Wilhelmshaven
Diplom-Kaufmann (FH) · Business Administration · Germany · 2.3
DATEV e.G.
IT Systems Specialist (IHK) · Systems Integration · Nuremberg, Germany
Certifications & licenses
LEADING SIMPLE©
Boris Grundl Leadership Institute
Crisis Communication
Nicky Perfect, Scotland Yard
Storytelling Coach
Stories that Sell
Self-Control in Negotiations
TÜV Rheinland certified expert for sales psychology
Business Storytelling
Uwe von Grafenstein / Bernhard Kalhammer
FBI Crisis Negotiation and Influence
Gary Noesner, Andreas Winheller
Certificate of Excellence in Business Negotiations I–IV (CEBN®)
Training from the Back of the Room – Practitioner
Sales Psychology
Matthias Niggehoff
emTrace® Coach, Level 2
Dirk W. Eilert
Advanced Negotiation Skills
Scotwork
Advanced Seminar Zurich Resource Model
INeKO Cologne
ERP with SAP S/4HANA (TS410)
Hogan Assessment Consultant Certification
SAP FI – General Ledger Accounting & Annual Financial Statements with SAP S/4HANA
Systemic Coach and Change Manager
INeKO Cologne
emTrace® Coach, Level 1
Dirk W. Eilert
ICAgile Authorized Instructor – SAP Delivery Agility Fundamentals
SAP Agile Academy (Design and Trainer)
Accenture
Agility Health Facilitator
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Matthias is based in Solingen, Germany.
Matthias speaks the following languages: German (Native), English (Advanced).
Matthias has at least 16 years of experience. During this time, Matthias has worked in at least 32 different roles and for 40 different companies. The average length of individual experience is 4 months. Note that Matthias may not have shared all experience and actually has more experience.
Based on recent experience, Matthias would be well-suited for roles such as: Member, Interim Restructuring Manager, Interim Change Manager.
Matthias's most recent position is Member at Rotary – Passport Club Werderscher Markt.
In recent years, Matthias has worked for Rotary – Passport Club Werderscher Markt, Window and Door Manufacturing (Emsland), Automobile Manufacturer (OEM), Defense (public sector), State Police Authority, and public sector.
Matthias is most experienced in industries like Professional Services, Information Technology, and Manufacturing. Matthias also has some experience in Education, Automotive, and Metals and Mining.
Matthias is most experienced in business areas like Project Management, Information Technology, and Sales. Matthias also has some experience in Legal, Human Resources, and Strategy.
Matthias has recently worked in industries like Professional Services, Education, and Information Technology.
Matthias has recently worked in business areas like Legal, Human Resources, and Strategy.
Matthias holds a Bachelor in Business Administration from Jade University of Applied Sciences Wilhelmshaven.
Matthias has 31 certificates. Among them, these include: LEADING SIMPLE©, Crisis Communication, and Storytelling Coach.
Matthias is immediately available part-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 13 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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