06/23/2026 updated

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SAP Transformation Director | Program & PMO Leadership | S/4HANA & HCM | Interim & Advisory

Barañain, Spain
Worldwide
Degree in Computer Science + Master’s in SAP Consulting & Implementation, University of Deusto
Barañain, Spain
Worldwide
Degree in Computer Science + Master’s in SAP Consulting & Implementation, University of Deusto

Profile attachments

CV_Ruben_Arevalillo_EN.pdf

About me

SAP Transformation Director with 25+ years of experience leading complex SAP programs in multinational environments. Strong expertise in S/4HANA, HCM/SuccessFactors, PMO governance and program turnaround. Focused on business alignment and delivery in multi-country contexts.

Governance Risk Management and ComplianceProgram Management ProfessionalSAP HANAStakeholder ManagementVendor Relationship ManagementSAP HCM
SAP Transformation Director with over 25 years of experience leading complex SAP programs in international and multi-country environments.

Extensive expertise in SAP S/4HANA, SAP HCM / SuccessFactors and large-scale ERP transformation initiatives, including global rollouts, system integrations and business transformation programs.

Strong track record in program leadership, PMO design and governance, managing complex multi-vendor and multi-stakeholder environments. Proven ability to drive alignment between business and IT, ensuring successful delivery in challenging and high-risk scenarios.

Experienced in leading program turnaround initiatives, redefining governance models, improving delivery performance and restoring stakeholder confidence in critical transformation contexts.

Hands-on experience managing global teams, coordinating multiple workstreams and ensuring alignment across interconnected SAP platforms and external partners.

Key competencies include:
• Program and project leadership in SAP transformation environments
• PMO setup, governance models and reporting structures
• Stakeholder management at executive (C-level)
• Risk, dependency and issue management across complex programs
• Vendor and partner coordination in multi-party ecosystems
• Agile, Waterfall and hybrid delivery models

Recent experience includes contributing to a €26M global SAP payroll transformation program across 13 countries, working as part of the global PMO and leading delivery for Spain and Belgium. Played a key role in defining governance frameworks and working methodologies, while coordinating stakeholders and multiple workstreams at country level.

Currently working as an independent consultant, providing interim management, program leadership and advisory services, supporting organizations in delivering complex SAP transformation programs.

Available for freelance and contract roles in international environments, primarily remote, with availability for occasional travel when required

Languages

EnglishFluentSpanishNative speaker

Project history

SAP Transformation Director / Program Lead

Giza Talent Solutions

Internet & IT

Founder & SAP Transformation Director
Providing interim management, program leadership and advisory services in SAP transformation, working with international clients in complex environments.

Key engagements include global payroll transformation programs, SAP ECP assessments, and multi-country SAP rollouts, with focus on governance, stakeholder alignment and delivery.

Also co-founded Moonshot People Tech, driving the development of a SaaS solution (Positipp) focused on employee engagement and wellbeing.

SAP Practice Manager - Northern Region

NTT DATA

Internet & IT

>10.000 team member

Led the SAP practice in Northern Spain with full responsibility for delivery, team management and client relationships.

• Managed a team of 30+ SAP consultants across multiple projects and clients
• Led SAP HCM practice for Public Sector and Healthcare in Spain
• Directed the SAP Center of Excellence (Basque Talent Solutions Centre – BTSC)
• Oversaw delivery of SAP programs, ensuring alignment between scope, budget and timelines
• Acted as key point of contact with senior client stakeholders

Focused on delivery excellence, governance and business alignment across multiple SAP initiatives.

SAP Technical Office Lead

Government of Navarre

Government and Public Services

>10.000 team member

Worked on the client side in a large public sector organization (+30,000 employees), leading SAP initiatives with a strong focus on transformation and evolution of core business processes.
• Defined and maintained SAP architecture across FI, MM and HR
• Coordinated technical teams and ensured cross-functional alignment
• Managed relationships with external vendors and internal stakeholders
• Supported SAP implementations and continuous improvement initiatives
• Acted as interface between business, functional and technical teams

Built a strong foundation in SAP architecture, integration and transformation in a complex public sector environment.

SAP Consultant / Entrepreneurship

Additional Professional experience
Early career focused on SAP consulting and implementation, with strong specialization in SAP HCM, workflow and document management, working for companies such as PwC, Getronics and IBM Global Services.

Gained extensive experience in SAP implementations, requirements analysis and end-to-end delivery across multiple industries, collaborating with large enterprise clients including Iberdrola, Henkel, Terra Mítica, Altadis, Grupo Eroski, Renfe, Adif.

Co-founded Dakar Auto, leading the launch and operational management of the business gaining hands-on experience in company setup, operations and end-to-end business processes.

Co-founded Norbait Consulting, a boutique SAP HCM consultancy, building and managing a team of consultants and delivering SAP HR projects for multiple clients.

This period established a strong foundation in SAP delivery, business processes and early leadership experience, combining consulting expertise with an entrepreneurial mindset.

Certificates

SAP Certified – HCM (Public Sector)

SAP

2017

SAP Certified – HCM (Public Sector)

SAP

2015

SAP Certified Application Associate – HCM

SAP

2011


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