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William Le Mentec


Professional Status


About Me

Geneva citizen, work permit B

Consulting, Program and project management, on strategic projects for Banking & Insurances.
20 years in IT consulting area
Specialist in bank migration
- Program manager
- Project manager
- Business-analyst
- Agile coach
- Technological migration and data migration
- IS urbanization and cartography
- IS Homologation
- Project methodologies : PRINCE2, AGILE, Scrum Master
- Tools : Mega, becubic, Aris, PowerAMC, Viso, HPQC, MS Project, Jira Agile
- Core banking software Temenos T24


Project Manager - Bank migration

EFG Bank - Geneva
Since January 2017
Responsibilities completed
  • Team Infrastructure
  • Migration from BSI Bank to EFG Bank
  • Core banking platform to be migrated from Avaloq (outsourcing by ASSL) to Temenos T24 Globus
  • Offices migration for: Singapore - Hong Kong - Luxemburg - Monaco - Bahrein - Zurich - Bahamas - Istambul - Geneva - Lugano - CH offices...
  • Global project coordination for Infrastructure
  • Project backlog management
  • Management of a 5 Project Manager team
  • Users migration strategy - 1000 workstations
  • Manager for applications migration - 600 applications to target, sunset or cleanup
  • Project cost tracking
Company Description

Private Banking - Geneva

Company website


Project manager - NCIS Project (New Custody Information System)

Societe Generale Securities Services
January 2014 to December 2016
Responsibilities completed
  • Project manager and Scrum master of Agile team on Settlement stream and Securities Position Keeping stream
  • New custody project for SGSS France, SGSS Frankfurt, SGSS London, SGSS Luxembourg - IS modernization, multi entity, TCS Bancs deployment
  • 3 major milestones for Frankfurt / UK / Pure Custody
  • Team leader / management of a 10 Business-Analysts team on Settlement, Order management, Funds, Referentials
  • Outline notes and specifications for : Settlement, Free-Of-Payment, Position Keeping, Order Management, Funds management, Third parties repositories, Market data, T2S impacts, etc...
  • Management of build phase on 3 weeks sprints (Agile methodology)
  • Budget management (3M€ / year)
  • Staffing management

IT consultant, project manager on bank migration

Crédit Agricole Technologies - Projet NICE
September 2012 to November 2013
Responsibilities completed
  • Data migration on project "NICE"
  • Wave manager for Atlantica 1.3 (7 regional banks) and Comete 2.2 (3 regional banks)
  • Steering, coordination of switch exercises with multi-disciplinary teams (functional and technical)
  • kick-off note, organization note, meetings animation, actions plan, reporting, dashboards, results analysis, improvement plan
  • Migration plan preparation and execution with HP QC Quality Center
  • Rehersals Coordination (weekly reharsal RS, end of week rehersals RW, and go-live migration BR)
Responsibilities completed
  • Project Manager, Business Analyst for banking and insurances :
  • BCEE - Luxembourg - Triple A notation project - interest-rate swap and currency swap valuation
  • CICOTITRES - Cergy - Manager of EURO project for Corporate Actions stream
  • CREDIT LYONNAIS - Paris La Défense
    - Securities IS modernization - Project manager on Third-party repository
    - Ongoing maintenance on Corporate actions Swift messages : MT554 Corporate action notification - MT565 : Corporate action instruction - MT566 : Corporate action confirmation
  • UCB - Rueil Malmaison - Functional homologation for professional credit project
  • SICOVAM - EUROCLEAR - Noisy le Grand - regulatory evolution for registered shares - New projects on Foreign stock exchange (SWIFT, global custody), Corporate actions, Swift, RGV
    Functional IS cartography (MEGA) with technical view in production (Wincap / becubic)
  • INDOSUEZ - Paris - Wealth management project : inventory and valuation of all client assets and liabilities
  • UAP - Paris - Infinirentes project - life contract management
  • LA MONDIALE : conception and development of Previmmo - rent incomes management

West regional sales director

Groupe SQLI
April 2010 to August 2012
Responsibilities completed
  • Sales director for Nantes and Bordeaux agencies
  • Business development
  • 5 people commercial team management
  • Fixed-price project contract signing - La Poste, Maaf, IFCE, IMA...

Bank & Insurance business unit management

GFI Informatique
April 2000 to March 2010
Responsibilities completed
  • Business unit management
  • Project coordination of data migration project from Crédit Mutuel Océan and Crédit Mutuel Anjou to Crédit Mutuel de Strasbourg
  • Development service center for Claims management of MACIF client
  • Important fixed-price projects cooordination
  • HR management and recruitment
  • 5 people commercial team management
  • Commercial development
  • big deal contracts signing ( > 3 M€)
  • Increase of business unit from 5 M€ in 2002 to 23 M€ in 2010
  • PRINCE2 methodology