Olivier Matagne
Waterloo,Belgium
Summary
Strategic Country Tax Manager | Global Finance Transformation Leader Visionary finance executive with over 20 years of experience leading tax strategy, accounting compliance, and digital transformation for multinational organizations. Proven track record in maintaining financial peace during complex ERP implementations (SAP S/4HANA) and high-stakes tax audits. Expert in digital fluency, including RPA/AI and automated indirect tax reporting, with a history of driving profitability through operational simplification and strategic stakeholder influence.
Overview
22
22
years of professional experience
6
6
years of post-secondary education
Work history
Country Tax Manager
Roche
Brussels, Belgium
2023.06 - Current
• Spearheaded ASPIRE SAP 4/H implementation as Co-Lead, ensuring financial stability and "financial peace" across affiliate during transition.
• Automated Indirect tax reports and streamlined VAT submissions to harmonize processes between affiliates.
• Directing e-invoicing deployment to ensure 100% regulatory compliance within strictly mandated timeframes.
• Successfully defended tax audits and provided strategic financial counsel during competition law audits conducted by authorities
Finance Enterprise Partner
Roche
Brussels, Belgium
2020.03 - 2023.06
• Renegotiated Transfer Pricing agreements with local tax authorities, leading pre-filling and negotiation phases to ensure compliance terms.
• Implemented EAGLE price management tool, establishing a transparent price governance framework within affiliate.
• Managed successful withholding tax inspection and served as Finance Point of Contact (PPOC) for internal Group audits.
• Maintained rigorous cost and sales controls for PVO team, ensuring continuous financial integrity during RAMP implementation.
Accounting Manager
Roche
Brussels, Belgium
2014.02 - 2020.03
• Consistently delivered accurate, compliant figures, earning the "One Finance Reporting Award" for six consecutive years.
• Acted as Europe-wide Subject Matter Expert (SME) for Account Receivables and Order to Cash (O2C).
• Led major local system rollouts, including IHBank, Concur, and SimpleBuy (I2P), while serving as a pilot group member for IFRS16 implementation.
• Negotiated a paperless solution for Travel & Expense (T&E) through a formal ruling with tax authorities
Manager, Accounting and Compliance Solutions
Deloitte
Brussels, Belgium
2013.05 - 2014.02
• Assigned as Chief Accountant for Roche, managing transition and financial operations without prior knowledge transfer.
Finance Manager
MediaXim
Brussels, Belgium
2011.07 - 2013.04
• Drove profitability growth by simplifying the company’s production model and implementing key performance indicators (KPIs).
• Orchestrated Due Diligence process, supporting shareholders in successful sale of company to a U.S.-based firm
Business Accounting and Budget Planning
Delhaize Group
Brussels, Belgium
2010.06 - 2011.06
• Coordinated the merger of multiple Luxembourg entities and formalized accounting procedures across the group
Senior Accountant
MediaXim
Brussels, Belgium
2003.09 - 2010.06
• Responsible for A to Z accounting, analytic accounting, and annual budget follow-up across multiple European entities.
• Managed cash planning, daily bank follow-up, and assisted with bi-annual and annual audits.
Education
Certificate of Higher Education (Thesis not done) - Economics
ICHEC
Brussels/Belgium 2009.09 - 2010.06
Bachelor of Business Administration - Accounting
EPHEC
Brussels/Belgium 2000.09 - 2003.06
Foundation Degree in Science - Aeronautical Mechanics
ISIB
Brussels/Belgium 1997.09 - 2000.06
Skills
Strategic Leadership: Tax Management, P&L Accountability, Transfer Pricing, M&A Due Diligence
Finance & Compliance: IFRS, BGAAP, Corporate Tax, Withholding Tax, Internal and External Audit Management and ICFR monitoring
Digital Transformation: SAP S/4HANA (ASPIRE), RPA/AI implementation, e-Invoicing Deployment
Operational Excellence: Process Optimization, Budget Planning, Stakeholder Influence
Languages
French
Native
English
Fluent
Dutch
Upper intermediate (B2)
Affiliations
- Walking and hiking enthusiast, former competitive hockey player, and proud dad of four kids — always on the move.
- Passionate about good food, with evening classes in oenology and chocolate making, and recently certified in cheese making.
Accomplishments
Internal audit awards @ Roche
Accounting Diploma @ Roche
Advanced Accounting Diploma @ Roche
AI Diploma @ Roche
ICFR Diploma @ Roche
Timeline
Country Tax Manager
Roche
2023.06 - Current
Finance Enterprise Partner
Roche
2020.03 - 2023.06
Accounting Manager
Roche
2014.02 - 2020.03
Manager, Accounting and Compliance Solutions
Deloitte
2013.05 - 2014.02
Finance Manager
MediaXim
2011.07 - 2013.04
Business Accounting and Budget Planning
Delhaize Group
2010.06 - 2011.06
Certificate of Higher Education (Thesis not done) - Economics
ICHEC
2009.09 - 2010.06
Senior Accountant
MediaXim
2003.09 - 2010.06
Bachelor of Business Administration - Accounting
EPHEC
2000.09 - 2003.06
Foundation Degree in Science - Aeronautical Mechanics
ISIB
1997.09 - 2000.06