Erwann FROMENTEAU

Full stack Data & Analytics Engineering

Salary / Daily rate

Athens, Greece

Mobility: Paris, London, ...

Freelance

Remote only

Skills

SQL QueriesData VisualizationData AnalysisdbtPythonGitpandasLookerGoogle BigQueryScrumJiraA/B TestingAccountingFinanceERP

Languages

French (Native)English (Fluent)Greek

About me

Intro

Data & Analytics expert with 10+ years of experience in Business Intelligence and Financial Planing & Analysis. Specialized in data governance, analytics engineering, and strategic reporting for scale-ups. I optimize your decision-making processes with tailor-made data solutions and measurable ROI.

Links

Work experience

PleoFreelance

Aug 2022 - Dec 2025

3 years 5 months

Data & Analytics Lead

May 2023 - Dec 2025

2 years 8 months

• Manage the Business Insights team made of distributed talents and support their growth up to Staff level. • Trusted advisor to the C-suite, delivering insightful and impactful analyses, assisting in the recurring business updates • Launched revision and harmonisation of main business metrics and dimensions. Increased visibility and accountability on performance with the delivery of a North Star metrics tree and a framework for half-year company’s KPIs and OKRs, revamped the Unit Economics framework for the FP&A team. • Focus on Analytics Engineering since mid 2024: design and contribute to the launch of new analytical repository (ELT with dbt, data warehousing in GCP, CI/CD with GitHub, Airflow scheduler, logical and physical data modeling)

Senior Financial Data Analyst

Aug 2022 - May 2023

10 months

• Single data expert reporting to the Process Excellence department, supporting Finance and Legal functions • Centralize the data sources and models to improve financial processes and reporting (Budget variance, revenue recognition according to IFRS15, reconciliation to MRR) • Own the entire data migration from legacy accounting system to Netsuite ERP: automating full transformation with dbt

GWI

Jan 2019 - Jul 2022

3 years 7 months

Athens, Greece

Business Intelligence Manager

Oct 2021 - Jul 2022

10 months

Athens, Greece

• Team growth: staffing plan, budget monitoring, hiring, on-boarding, off-boarding, roadmap, goals setting, appreciations • Business focus: reengineering of strategic reporting pack, value chain analysis, data governance, analytics engineering

Senior Finance Business Intelligence Analyst

Jul 2019 - Oct 2021

2 years 4 months

Athens, Greece

• Activate the BI stack and validate a Single Point of Truth, create impactful content, run cross-teams ad-hoc analyses. • Dotted-line reports to Head of FP&A and Finance Controller: variance analysis, budgeting process, management accounts.

BI Finance Analyst

Jan 2019 - Jul 2019

7 months

Athens, Greece

IT Consultant

EUROPEAN DYNAMICS

Mar 2017 - Dec 2018

1 year 10 months

Athens, Greece

• Within the Customs and Taxation Department. • Participating in all project stages of modernisation programs for National Customs Authorities (Belgium, Denmark, Poland, United-Kingdom, Ireland). • Analyse requirements, processes and workflows, working in close collaboration with the clients. Write and translate deliverables, business process model, use cases and sequence diagrams, data model, xsd schema. Testing (write and run test scenarios, manage defects using Jira and HP ALM), Training, Procurement activities.

Senior Business Controller BI Analyst

Crédit Agricole Normandie

Oct 2013 - Mar 2017

3 years 6 months

Région de Caen, France

• Set in a concerted manner the most relevant KPI, ensure reliability and publish the dashboards in Excel, PowerPoint, and MicroStrategy to control the action of the commercial workforce • Development and maintenance of BI tools for branches’ managers and executive officers, technical support • Principal level since early 2016 and contributor to the new company's ESG Roadmap

Sopra Steria

Apr 2012 - Oct 2013

1 year 7 months

Région de Nantes, France

Technical & functional SAP Consultant

Oct 2012 - Oct 2013

1 year 1 month

Région de Nantes, France

External consultant for STX Europe (ship building and offshore energies constructions) Lead on Financial (FI) and Controlling (CO) modules : - configuration based on business requirements - managing 4 developers and cooperating with consultants from other modules - testing process in order to discover errors and issues in business processes, documentation - application support and training of key users ABAP programming on several other modules (PM, PLM, MM)

BI Engineer Intern

Apr 2012 - Oct 2012

7 months

Région de Nantes, France

• Autonomous SCRUM project management, closely with the Executive Officer. • Define and implement a full open source BI solution for Commercial management. • Chosen software architecture : Unix virtual file system, MySQL data warehouse, Jaspersoft reporting tool.

Management accounting & internal audit Intern

SWM International

Apr 2011 - Aug 2011

5 months

Région de Lorient, France

As part of the review process "Cost Price Forecast", I led a discovery phase and implemented the Engineering Module of Oracle E-Business Suite R11 ERP. Attached to the Europe Financial Control Department and in conjunction with the Internal Auditor, I had a mission to establish procedures for the review, considering the quality certification ISO 9001. 2nd mission: define and design dashboards with QlikView to analyze all the steps of the paper making.

Jr. Business Consultant Intern

Vitel Menuiseries

Apr 2010 - Jul 2010

4 months

Région de Saint-Brieuc, France

• Optimization and formalization of Supply chain process for a family business manufacturing windows and doors. • Development of a business software in Microsoft Access and training for the end users (CRM, warehousing, manufacturing, purchase, ...)

Financial controller Intern

TOSHIBA TEC Imaging Systems

Apr 2009 - Jul 2009

4 months

Région de Clermont-Ferrand, France

• Built a new model for variable salary of sales representatives and design a simulation tool with Excel. • Contributed to financial reporting and monthly forecast, the establishment of the "Carbon Assessment". • States of bank reconciliations, supplier invoice records, update databases, VAT return


Education

Harvard Business School Online

CORe Credential of Readiness

2020 - 2021

6 months

IGR-IAE Rennes

Master 2 (M2), MBA in Information Systems and Management Control

2010 - 2012

3 years

Grade: High honors

IUT de Vannes

Licence Professionnelle, B.S. in Business Intelligence

2009 - 2010

2 years

Grade: High honors

IUT de Saint-Malo

DUT, Business Administration

2007 - 2009

3 years

Grade: with Honors

The best place to find your next move

© 2026. All Rights Reserved.