
Jean-paul Mariton
Senior Finance & Data Analyst | SAP & AI
Salaire / Taux journalier
94880 Noiseau, France
Mobilité : Val-de-Marne, Seine-et-Mar, ...
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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.
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
