Heiko Rockenberger

by Andreas Weller | 27. February 2026

Heiko Rockenberger

Senior Program Lead

10+ years of high expertise in leadership in complex SAP S/4HANA transformation programs, accountable for Business Readiness, Change, Communication & Training (CCT) streams
Extensive experience collaborating with global system integrators, particularly Accenture, ensuring alignment between client-side governance and SI delivery structures
Strong capability in steering Business Readiness within multi-vendor ERP landscapes, including integration with Accenture-led SAP Activate delivery frameworks
Executive-level stakeholder management, steering committee advisory, and risk & escalation governance in large-scale international ERP programs
Strong expertise in implementation of Digital Adoption Platforms (DAP) and structured training governance to ensure measurable user adoption and sustainable transformation impact

Last 3 projects

since 2023	Energy & Utilities (International Group)	Organizational Change Management Consultant – SAP S/4HANA & DAP Transformation (in collaboration with Accenture as implementation partner)
10/2021 – 12/2022	Automotive / Manufacturing (Special Vehicles)	Program Coordinator & Change Lead – SAP S/4HANA Public Cloud & Salesforce Transformation (multi-vendor environment incl. Accenture)
09/2018 – 08/2021	Energy, Waste & Water (International Group)	Head of Change Management & PMO – SAP S/4HANA Single Tenant Cloud Implementation (interface to Accenture delivery teams)

Tools

Competencies

Business Readiness Leadership in SAP S/4HANA Enterprise Transformations
Client-Side Governance & System Integrator Alignment (incl. Accenture collaboration)
Executive Stakeholder & Steering Committee Management in Multi-Vendor Programs
Organizational Design & Target Operating Model Implementation

Languages

German (Native)
English (Fluent)

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Michael Rubel

by Anita-Dora Andreadis | 4. February 2026

Michael Rubel

Senior SAP S/4HANA Transformation & Program Manager

Senior SAP S/4HANA Transformation, Project Manager and Activist PMO Lead with 18+ years of experience across the full SAP lifecycle, ranging from application consulting and project management to strategic leadership of large-scale S/4HANA transformations.
Strong expertise in SAP S/4HANA rollouts, data migrations, carve-outs, and post-merger integrations (PMI), delivering complex programs in energy, industrial goods, automotive, and manufacturing environments.
Proven experience acting as the link between business and IT, translating complex technical topics into strategic decisions and actionable delivery plans for executive- and C-level- stakeholders.
Extensive background in PMO and Activist PMO roles, including rollout planning, roadmap alignment, work package structuring, progress tracking, vendor steering, and Steering Committee reporting.
Former Principal at BCG Platinion and currently independent management consultant, combining top-tier consulting experience with hands-on delivery and interim leadership in SAP programs.

Last 3 projects

Since 2024	Energy	Project Manager S/4HANA Rollout – Project Manager of the entire SAP S/4HANA Commercial Core project in a DAX-30 enterprise for the rollout to the largest sub-group. Steering of project team for Finance, Controlling, Procurement and Logistics along all project phases with overall team size of ~300 resources. Part of program leadership team and reporting to SVP- and C-Level stakeholders.
2022 – 2024	Energy	Activist PMO Lead – Leader of the Activist PMO for several rollout entities; planned and structured S/4HANA rollouts from Fit-to-Standard through testing and go-live; coordinated test migrations, process testing, and executive reporting to CEO, CFO, and SVPs.
2021 – 2022	Energy	Subproject Lead Migration Factory – Subproject Lead for the Data Migration Factory in the S/4HANA program of a DAX-30 company; designed and implemented an industrialized migration approach; coordinated client, SNP, and local rollout teams; tracked migration progress, defects, and go-live readiness as well as go-live cut-over.

Tools

Competencies

IT Project Management & Project Management Office
SAP S/4HANA Transformations & Rollout Management
Business–IT Alignment & Executive Communication
SAP Data Migration, Carve-outs & PMI

Languages

German
English
Dutch
Spanish

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Cagdas Emre

by Anita-Dora Andreadis | 2. February 2026

Çağdaş Emre

Senior PMO

Senior PMO and Finance Lead with extensive experience supporting large-scale IT, digital, ERP, and cybersecurity programs across manufacturing, high-tech, chemicals, retail, finance, and public-sector environments.
Strong expertise in PMO governance, assurance, and portfolio support, including planning, progress tracking, KPI monitoring, RAID management, and structured status reporting to senior stakeholders.
Proven background in financial management within programs and projects, covering budgeting, forecasting, cost tracking, financial reporting, and resource planning across multi-country initiatives.
Experienced in resource and capacity management, PMO setup and restructuring, and coaching project and program managers on PMO standards, controls, and delivery practices.
Hands-on experience working with global and complex organizations (e.g. DSM-Firmenich, ASML, Accenture, Aldi Süd), supporting transformation programs through structured PMO leadership and financial oversight.

Last 3 projects

2021 – 2025	Chemicals / Manufacturing	Senior PMO / Finance Lead – PMO and finance lead in a global cyber security program; responsible for governance, KPI tracking, planning, budgeting, forecasting, financial reporting, RAID management, and stakeholder reporting across multiple portfolios.
2018 – 2021	High-Tech / Semiconductor	Senior PMO – Senior PMO in the development of EUV lithography systems; ensured adherence to PM governance; provided coaching, financial forecasting support, RAID management, resource planning, and progress tracking using MS Project.
2017 – 2018	Chemicals	Senior PMO – PMO role in an Oracle ERP implementation; responsible for planning, budgeting, progress measurement, RAID management, resource planning, and status reporting across multiple countries.

Tools

Competencies

Project Management Office & Governance
Planning, Progress Tracking & RAID Management
Resource & Capacity Management
Stakeholder Communication & Executive Reporting

Languages

Dutch
English
Turkish
German

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Mette Ohmsen

by Andreas Weller | 2. February 2026

Mette Ohmsen

Senior Program Director

Senior Program Director with 25+ years of experience leading large-scale digital transformation and ERP programs, including high-end initiatives exceeding EUR 30 million, characterized by strong executive presence and C-level leadership.
Over 10 years of hands-on ERP program experience, with deep expertise in Microsoft Dynamics 365 Finance & Operations, including leadership of the largest single D365FO go-live in Europe (3,600 users) in 2023.
Proven strength in program strategy, organizational design, and governance, covering program execution models, decision structures, steering committees, transition from projects to operations, and value realization.
Extensive experience in organizational change management and people leadership, leading large, multinational teams and fostering trust, transparency, and performance in complex transformation environments.
Strong background in management consultancy and business development, including vendor selection, contract negotiation, programme design, operational readiness, and advisory roles for executive management.

Last 3 projects

since 2024	Logistics & Transportation	Director & Program Lead: Leading strategic digital transformation across Finance and Procurement; implementing D365FO across 20+ markets and 100+ legal entities; guiding a multinational team of 70+ people and aligning delivery with DFDS group transformation strategy.
2021 – 2023	Energy & Telecommunications	Director & Program Lead: Led a EUR 30+ million priority-one ERP transformation implementing a shared D365FO platform; managed large cross-organizational teams; established governance, led change management, and delivered successful go-live for 3,600 users.
2020 – 2021	IT Consulting / ERP	Principal Program Manager & Nordic Lead: Led enterprise-level D365FO programs for Nordic and global clients; provided executive consultancy; established program governance; supported presales, bid management, and contract negotiation; contributed to global program management frameworks.

Tools

Competencies

Large-scale IT Program & ERP Transformation Management
Executive Stakeholder Management & Governance
Organizational Change, Transition & Operational Readiness
AI-driven delivery and automation tools

Languages

Danish (Native)
English (Fluent)
German (working proficiency)
Italian (Basic)
French (Basic)

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Thomas Bentrup

by Anita-Dora Andreadis | 21. January 2026

Thomas Bentrup

Senior Migration & Cut-Over Expert

Senior SAP ERP and S/4HANA Project & Program Manager with long-standing experience in international SAP implementations, roll-outs, carve-outs, and template programs across multiple industries.
Extensive hands-on experience working as Cutover Manager and Migration Manager, leading cutover strategy, planning, coordination, and execution for complex SAP S/4HANA implementations, roll-outs, and carve-out programs.
Proven project experience within the Deutsche Telekom environment, delivering SAP-related projects and IT initiatives for T-Systems International / Telekom IT, including carve-outs, system upgrades, service management, and process optimization.
Strong background in end-to-end project lifecycle management, including scope definition, planning, execution, testing, cutover, go-live, and stabilization phases.
Certified PMP® and Scrum professional, experienced in Agile and Waterfall environments, recognized for structured delivery, stakeholder coordination, and quality-focused execution.

Last 3 projects

Since 2024	Manufacturing	Data Migration Manager – Leading and coordinating end-to-end data migration activities for an SAP S/4HANA implementation; managing internal and external migration experts; overseeing strategy, execution, and go-live readines.
2024	Manufacturing	Project Manager – Managed master data project for mapping and technical realization of customer, supplier, and material master data fields; coordinated cross-country teams in Germany and China.
2022 – 2023	Automotive	Cutover Manager – Led and coordinated all cutover activities for an SAP S/4HANA implementation; aligned cutover strategy with migration and project management; coordinated internal and external module, process, and migration experts through go-live.

Tools

Competencies

SAP ERP & SAP S/4HANA Project Management
Cutover and Migration Management
International SAP Roll-outs and Carve-outs
SAP Template Design, Governance & Application Support

Languages

German
English

Download Complete CV

Heiko Rockenberger

Heiko Rockenberger

Last 3 projects

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Competencies

Languages

Michael Rubel

Michael Rubel

Last 3 projects

Tools

Competencies

Languages

Cagdas Emre

Çağdaş Emre

Last 3 projects

Tools

Competencies

Languages

Mette Ohmsen

Mette Ohmsen

Last 3 projects

Tools

Competencies

Languages

Thomas Bentrup

Thomas Bentrup

Last 3 projects

Tools

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