Jean-paul Mariton

Senior Finance & Data Analyst | SAP & AI

Salaire / Taux journalier

94880 Noiseau, France

Mobilité : Val-de-Marne, Seine-et-Mar, ...

CDI

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Expertises

SAP HANAFinanceComptabilitéContrôle de gestion

Langues

Français (Maternelle)Anglais (Courant)AllemandNéerlandaisEspagnolChinois

À propos

Introduction

Finance executive with 15+ years of experience across accounting, reporting and finance transformation in international environments. Strong background in SAP/ERP projects, process improvement and data-driven finance, complemented by Excel, Power BI, Python and AI automation skills. I help finance teams improve closing efficiency, data quality and reporting reliability. Open to Finance Transformation, ERP and Finance Data opportunities, let’s connect.

Liens

Expérience de travail

Senior Finance & Data Analyst | SAP & AI-Driven Accounting

Saint-Gobain

juin 2025 - Présent

1 an 5 mois

94380 Bonneuil-sur-Marne, France

Interim mission within Saint-Gobain Services Finance, covering the scope of Saint-Gobain Glass France (Revenue: €400M, Headcount: 803), as part of the ERP migration to SAP S4/Hana, carried out in collaboration with the consulting firm Comptalents. Key achievements: • General accounting and taxation (VAT, CIT, CET, etc.), fixed assets, provisions, group reporting, and monthly closings under IFRS standards at D+4, ensuring speed and compliance. • Streamlined accounting processes using SAP and advanced Excel (Power Query, VBA macros, Power Pivot), enhanced with AI-driven procedures. • Implemented automated data analysis workflows to detect anomalies, leading to a 40% reduction in posting errors. • Accelerated monthly closing process with a 30% time saving compared to previous cycles. • Strengthened group and intercompany reporting, achieving a 25% improvement in reliability and timeliness of IFRS statements. • Active collaboration in an international environment, working closely with consolidation and controlling teams.

Member

AI Finance Club

déc. 2023 - Présent

2 ans 11 mois

94880 Noiseau, France

Proud member of the AI Finance Club — the premier global community where forward-thinking CFOs, Fractional CFOs, and finance professionals master cutting-edge AI tools to automate workflows, unlock insights, and lead digital transformation. Ready to future-proof your finance career and gain back 4+ hours a week? Join the AI Finance Club today https://nicolasboucher.online/sp/ref-join-the-ai-finance-club/?aff=516

General Accountant / Data analyst

Longchamp

août 2017 - juil. 2025

8 ans

Paris, France

As a General Retail Accountant / Data Analyst introduced by Walters People, I managed a €21M scope (part of Les Boutiques Longchamp's €100M turnover), including Department Store Concessions, Wholesale, several boutiques, and the Web. 1. General Accounting: Allocated supplier invoices analytically (VAT rules, intra-community VAT); controlled interfaces; reconciled banks; managed expense reports. 2. Account Closing: Reviewed accounts; prepared/post provisions; consolidated entries; drafted financial statements in YourCegid. 3. Manual Sales: Ensured VAT compliance and proper mentions for re-invoicing. 4. Fixed Assets: Controlled invoice allocations; monitored asset accounts. 5. Taxation: Declared VAT (8 countries); Intrastat declarations (7 countries); managed CET and annual tax filings. 6. Reporting: Prepared dashboards analyzing Web data. Led a comprehensive Data Analysis Project to resolve payment anomalies (€7M annual revenue) such as rejected transactions, discrepancies, and duplicates. The project included: • SQL/MySQL: Designed and executed queries to identify and categorize anomalies using error codes, ensuring granular insights into transactional irregularities. • Integration with CyberSource: Consolidated multi-source payment data for analysis and root cause identification, pinpointing system faults and manual errors. • Cross-Functional Collaboration: Partnered with IT and Finance teams to automate anomaly detection and streamline processes. • Strategic Migration to Adyen: Findings led to a transition to Adyen, enhancing security and payment reliability while cutting issues by 25% in six months. • Executive Dashboards: Created Power BI dashboards to support decision-making and track improvements. 7. Integration: Migrated CLM Nantes subsidiary into SAP following its merger with Les Boutiques Longchamp. 8. Recruitment: Key contributor to identifying and onboarding top-performing apprentices and interns.

General Accountant

Federal-Mogul Motorparts

mars 2017 - juil. 2017

5 mois

92100 Boulogne-Billancourt, France

Transition Manager in Financial / Tax / Treasury /payroll responsibilities

Several very famous international groups leaders in their activities

févr. 2007 - juil. 2017

10 ans 6 mois

Paris Area, France

RICHARDSON ELECTRONICS / FERMAT INC / EURODEC / CRT / AMERICAN EXPRESS BUSINESS TRAVEL / CALYPSO TECHNOLOGY (banking software)/ MEDTRONICS NV - PV International (EV3), Group specialized in production & distribution of Vascular Therapy products / EOL Group (subsidiary of Alcopa group) , Group specialized in office equipments production & distribution / PROVALLIANCE GIE (Franck Provost hairdressing group) / HOST BROADCAST SERVICES FRANCE (Sports events media) / THOM EUROPE (jewellery retail) / FEDERAL MOGUL (Car equipments)

Treasury Accounting Manager / Group Treasury Manager

THOM

déc. 2016 - mars 2017

4 mois

Paris, France

Accounting Manager

HBS

nov. 2015 - mai 2016

7 mois

92100 Boulogne-Billancourt, France

Experience at Host Broadcast Services France • Roles: General Accountant (24/11/2015 - 15/01/2016), then Chief Accountant (18/01/2016 - 06/05/2016). • Scope: o Host Broadcast Services France: A subsidiary of the Dalian Wanda Group, achieving a consolidated revenue of €6.5 billion. o Revenue: €13M. o Staff: Average headcount of 52 employees, adjusted for activity peaks based on major international sporting events. o Organization: Cost + model, with cost allocation between refacturable (MEC - Main Event Costs) and non-refacturable costs. Introduced by Fed Finance, I worked in an international environment specializing in broadcasting and production services for major sports events (FIFA World Cup, Rugby World Cup, FIFA tournaments), successfully carrying out the following responsibilities: • Full management of general and analytical accounting up to the balance sheet, including the preparation of weekly cash flow forecasts. • Intercompany re-invoicing to HBS AG and subsidiaries, with rigorous structuring of refacturable costs (MEC - Main Event Costs). • Financial reporting to the headquarters in Zug (Switzerland), in compliance with IFRS, including the completion of monthly reporting within J+3, using Microsoft Dynamics Finance & Operations and Application Studio software. • Posting month-end journal entries and performing analytical adjustments, in collaboration with the Financial Controller. • Data-driven FEC implementation and testing: Extracted, transformed, and validated accounting data using Excel and advanced analytical tools (Test Compta Demat from the French Ministry of Finance). Identified and corrected potential data inconsistencies to ensure compliance, preparing the files for ERP system import. • Automation of accounting processes (e.g., travel expense entries) and bulk data imports into the accounting ERP system. • Coordination with external accountants and account justification with statutory auditors.

Branches accountant executive

Provalliance

févr. 2015 - déc. 2015

11 mois

Paris Area, France

Introduced by Fed Finance, Responsible in transition of Accounting, Tax Management of 42 hairdressing salons & stores (including NIWEL, FRANCK PROVOST, FRANCK PROVOST EXTENSIONS, FABIO SALSA brands) with monthly reporting preparation Day +20. • Supervision and support of a team of 3 accountants, • Accounting management of a portfolio of 42 hair salons, including review of monthly and quarterly financial statements, • Preparation of annual tax returns, including consolidated tax integration, • Coordination of two weekly supplier payment cycles.

Senior Collaborator

EURODECFreelance

mars 2014 - janv. 2015

11 mois

Paris, France

Accounting & Consolidated accounts Manager

EOL

juin 2013 - mars 2014

10 mois

93110 Rosny-sous-Bois, France

As the Accounting and Consolidation Manager at Groupe EOL, introduced by Humanessence, overseeing the consolidation of 12 entities with total revenue of €55M and 236 employees, I played a pivotal role in addressing strategic challenges during a complex transition period marked by the loss of the factoring partner, the take over of the Production subsidiary (EOL TB) and preparations for cascading mergers. Key responsibilities and achievements included: • Strategic Responsibilities: Ensured financial stability through precise cash flow management, enabling timely support from the parent company, Alcopa, during the transition. Facilitated rapid and accurate information exchange with GE Facto France for their review of our factoring dossier. • Leadership: Supervised and structured the work of the 11-member accounting team, implemented robust processes, and successfully recruited highly skilled accountants to address urgent needs. • Data-Driven Projects: Automated the consolidation process using SAP, advanced Excel (Macros), and Visio for analysis and consolidation, reducing consolidation time by 25%. Leveraged Anaël for accounting management and improved data precision for strategic decisions. • Treasury Structuring: Optimized cash flow management and ensured the financial agility required to secure critical financing during a challenging period. This role solidified my expertise in leveraging advanced data tools and managing complex projects, positioning me as a key driver of operational excellence in high-stakes environments.


Formation

LDA Advisory

DataScience with Python

2024 - Présent

2 ans 4 mois

Jeremy Guillo & Brice Trophardy

Master of Computer Applications - MCA

2024 - 2025

1 an 3 mois

Blog Gestion de Projet

Master of Business Administration - MBA

2024 - 2025

1 an 4 mois

The Finance Circle

Master of Science - MS

2024 - 2025

1 an 5 mois

SchoolMaker.co

Préparation TOSA VBA Excel

2024 - 2025

1 an 5 mois

William Docteur Excel

Master of Technology - MTech

2024 - 2025

1 an 6 mois

Elliott Pierret

Master of Computer Applications - MCA

2024 - 2025

1 an 6 mois

DataCoach

Master of Science - MS

2024 - 2025

1 an 6 mois

Tutosurexcel

Niveau avancé / Préparation TOSA sur Excel

2023 - 2025

1 an 9 mois

Data skills accelerator

Master of Science - MS

2024 - 2025

1 an 3 mois

DataScientest.com

Data Analyst

2024 - 2024

11 mois

Ascencia Business School

Develop an artificial intelligence solution (Machine & Deep Learning)

2024 - 2024

11 mois

Mines Paris - PSL

Data Analyst

2024 - 2024

11 mois

LeCoinStat

Python DLC

2024 - 2024

1 mois

Conservatoire National des Arts et Métiers

Master of Business Administration (M.B.A.)

2014 - 2016

3 ans

GRETA ENC Beissières

Master’s Degree

2009 - 2009

4 mois

Conservatoire National des Arts et Métiers

Compared accounting

2000 - 2002

3 ans

Dale Carnegie Training

Efficiency communication & Management

2001 - 2001

4 mois

Conservatoire National des Arts et Métiers

Consolidated accounting

1999 - 2001

3 ans

Conservatoire National des Arts et Métiers

Master's Degree

1999 - 2001

3 ans

Portfolio

Cycling Traffic Analysis in Paris: A Comprehensive Data Study

Executive Dashboards for Web Data Analysis:

Key Data-Driven Projects at Longchamp

Project: Migration and Integration of Banking Platforms (VESPA Project)

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