Marianna Chamakou
Https://www.linkedin.com/in/marianna-chamakou-0942013b/
Summary
Global operations and finance leader with more than 20 years of experience driving transformation across Supply Chain, Finance, FP&A, forecasting and digitalization in multinational environments. I manage global sourcing, manufacturing planning and logistics across 19+ factories, leading initiatives that elevate service levels, optimize working capital, harmonize global processes and deliver measurable business results. My background spans Supply Chain leadership, Financial Management, & Corporate FP&A—giving me a 360 view of how operational decisions shape financial performance. Recognized for designing and deploying scalable global systems, restructuring organizations, rolling out SAP and digitalization programs, and implementing working-capital tools (reverse factoring, hedging, inventory modelling). I build strong teams, drive cross-functional alignments, and lead transformation programs in complex, multi-regional organizations.
Overview
22
22
years of professional experience
1
1
Certification
Work History
Global VP Supply Chain
Rivulis Irrigation
06.2023 - Current
- Lead Global Sourcing, Manufacturing Planning & Logistics across 19+ factories.
- Improve global Service Level through optimized capacity utilization, planning and inventory strategies.
- Drive Working Capital optimization through inventory modelling and strategic replenishment.
- Lead cross-group capacity planning, asset utilization and footprint strategy.
- Implement a unified Global Supply Chain Scorecard with standardized KPIs and reporting.
- Lead digitalization and global process harmonization across multiple business units.
- Reporting to President Operations Division
- Completed organization restructuring and warehouse consolidation in North America, introducing standard operations procedures
- Rolled out Warehouse Digitalization Program across North America, Israel and Europe
- Introduced global KPIs (order fulfilment, inventory quality, logistics performance) with harmonized global processes for Months-on-Hand and PO management.
Chief of Finance Eastern Europe & Middle East
Rivulis Irrigation
01.2019 - 06.2023
- Oversaw financial strategy execution, budgeting, compliance, taxation, legal and internal controls
- Led and developed Finance & IT teams across the BU
- Optimized cost structure, budget performance and cash flow efficiency
- Reporting directly to BU CEO and functional to Group CFO
- Led major restructuring and modernization of Egyptian entity, including SAP rollout
- Implemented financial hedging & cash-flow protection tools in Turkey, producing direct cash-flow improvements
- Introduced Reverse Factoring, significantly enhancing cash cycles across the BU
Corporate Financial Planner
Rivulis Irrigation
02.2013 - 01.2019
- Responsible for Group budgeting, forecasting, driver-based models and continuous planning
- Provided reliable operational insights to support global cost-saving initiatives
- Supported post-acquisition transition (Eurodrip → Rivulis) via reorganization of FP&A structure
- Report to BU CFO
- Rebuilt the Reporting System of the Business Unit after SAP rollout
- Enhanced Group forecasting and business analytics capabilities
Group Financial Analyst & Investment Relations Officer
Eurodrip SA (formerly Rivulis)
03.2008 - 02.2013
- Coordinated monthly Group Business Analysis reports (P&L, Balance Sheet, Cash Flow)
- Performed variance analysis, scenario modelling, and CAPEX/M&A evaluations
- Produced monthly, quarterly and annual reporting packages
- Delivered financial/statistical insights to multiple departments
- Report to BU CFO & CEO
- Managed daily and monthly stock and competitor reporting
- Ensured compliance with Capital Market Commission, Athens Exchange and Central Securities Depository
- Maintained communication with investors and shareholders
Investor Relations Manager
Optima SA
01.2004 - 01.2005
- Evaluated operational workflows for efficiency and compliance
- Recommended new procedures and enhancements to existing processes
- Liaised with regulatory authorities and produced monthly compliance reports for the BoD
- Report to General Manager
Education
Economics, Econometric Analysis-Time Series
University of Piraeus
01.2007
Mathematics, Applied Mathematics
National & Kapodistrian University of Athens
01.1999
Skills
- Strong expertise in Finance, Accounting, FP&A, Reporting & Taxation
- Excellent IT/IS competencies with advanced analytical problem-solving skills & data science architect & engineering
- Rigorous, reliable, well-organized; solution-driven and innovative
- Strong negotiation, cross-functional leadership and project-management abilities
Certification
- GRANT THORNTON [ November 2004 ] Specific Issues in Internal Audit
- University of Athens [ September – December 1997 ] Statistical Data Analysis
- Pro Seminars [December 2012 – June 2013] International Financial reporting Standards CertIFRS
Timeline
Global VP Supply Chain
Rivulis Irrigation
06.2023 - Current
Chief of Finance Eastern Europe & Middle East
Rivulis Irrigation
01.2019 - 06.2023
Corporate Financial Planner
Rivulis Irrigation
02.2013 - 01.2019
Group Financial Analyst & Investment Relations Officer
Eurodrip SA (formerly Rivulis)
03.2008 - 02.2013
Investor Relations Manager
Optima SA
01.2004 - 01.2005
Mathematics, Applied Mathematics
National & Kapodistrian University of Athens
Economics, Econometric Analysis-Time Series
University of Piraeus