
Sebastien Messean
Transformation & Digital Executive | Ex-CEO ESG Tech | Ex-BNP Paribas | P&L Leadership | AI & Data | Scaling & Turnaround
Salaire / Taux journalier
Paris, France
Freelance, ouvert au CDI
Peut venir sur site
Expertises
Langues
À propos
Introduction
Executive leader spécialisé en transformation stratégique, digitale et IA, avec plus de 20 ans d’expérience dans les services financiers et les ventures technologiques. J’ai dirigé des organisations internationales, piloté des P&L significatifs et mené des programmes de transformation complexes (>300m€ d’investissements digitaux). Parcours structurant : • Turnaround d’une business line UK (140 personnes) : retour à la profitabilité (de -7m£ à +5m£) • Pilotage de la transformation digitale et data au sein de BNP Paribas • Co-fondateur et CEO d’une plateforme SaaS ESG (Manaos) : 0 à 45 collaborateurs, 150 asset managers connectés, 3000 Md€ d’encours traités Je combine : • Vision stratégique • Exécution opérationnelle • Leadership d’équipes complexes • Maîtrise IA, data & plateformes digitales • Gouvernance & gestion des risques Intéressé par des rôles de : Chief Transformation Officer, COO/CEO scale-up tech, ou fonctions de direction au sein de cabinets orientés transformation digitale et IA.
Expérience de travail
Directeur Associé
SeaBird
mai 2024 - Présent
2 ans 6 mois
Paris, France
Built and led a Tech & Data business unit focused on enterprise transformation and AI adoption Defined and launched offerings around enterprise AI, data platforms and analytics transformation Reshaped go-to-market strategy and commercial positioning Recruited and led cross-functional data & IT teams Designed and deployed a Generative AI platform on Azure Advised Financial Services organisations on data and AI-driven operating model transformation
Enseignant ponctuel
Université Lumière Lyon 2Freelance
avr. 2022 - Présent
4 ans 7 mois
Lyon, France
Chief Executive Officer
Advisiom
sept. 2023 - mai 2024
9 mois
Paris, France
General Manager
manaos
mars 2018 - août 2023
5 ans 6 mois
7620 Paris, Danemark
• Co-founded Manaos, a sustainability venture and subsidiary company of BNP Paribas. • Defined the vision and general design of an innovative platform, connecting institutional investors (insurance, pension funds, asset managers) to sustainable and ESG data and service providers through an open marketplace and data management solution. • Provided leadership for all product, commercial, technical and risk management aspects. • From 0 to 30 people, cloud native AWS SaaS platform, processing investment portfolio data from 100 asset managers – 1500b EUR
BNP Paribas
janv. 1998 - mars 2018
20 ans 3 mois
7620 Paris, Danemark
Digital Transformation COO
févr. 2014 - mars 2018
4 ans 2 mois
7620 Paris, Danemark
• Coordinated digital initiatives around data, artificial intelligence, blockchain, internal efficiency and client experience transformation. • Coordinated the follow-up of 300m EUR digital transformation investments
Head of CCS UK Business Line
sept. 2010 - janv. 2014
3 ans 5 mois
Greater London, England, United Kingdom
• Headed the ‘Clearing and Custody Services’ business line in the UK, that covers Local Custody, Global Custody and Broker Dealer Outsourcing. • Responsible for the P/L, operations, product, IT • 140 people across two countries. • Grew and turned around the business to make it profitable – from 25m GBP turnover and 7m GBP loss per year to 35m GBP turnover and 5m GBP profit.
Head of Banking Services UK
juil. 2009 - oct. 2010
1 an 4 mois
Greater London, England, United Kingdom
• Led the Banking Services Operations and IT department that covers Local Custody, Global Custody and Broker Dealer Outsourcing. • Managed a nearshoring program across 2 years, transferring or supporting growth from Lisbon, ending up with 140 people across the two countries.
Head of Global Custody Operations UK
juin 2007 - juil. 2009
2 ans 2 mois
Greater London, England, United Kingdom
• Led the Global Custody operations team in London (20 people). • Responsible for operations and controls related to cash management, securities clearing, settlement, corporate actions, income, and tax.
Head of GTS Engineering
déc. 2005 - mai 2007
1 an 6 mois
Greater London, England, United Kingdom
• Managed the project and engineering team (10 people) supporting the GTS (Global Transaction Services) business line in London. • Coordinated the migration of Deutsche bank’s middle office outsourcing activities to BP2S.
Project Manager
janv. 1998 - déc. 2005
8 ans
Greater London, England, United Kingdom
Formation
Massachusetts Institute of Technology
6.00.1x – Computer Science and Programming Using Python
2023 - 2024
6 mois
ESIEA - École d'Ingénieur·e·s d'un numérique utile
1991 - 1997
6 ans 1 mois
University of Cambridge
Sustainability essentials for business