William Le Mentec
IT Transformation & Migration Director - Banking & Energy Sector
54 years old
Driving License
Professional Status
Employed
Just looking around
About Me
• Over 25 years of experience leading IT transformation, core banking migration, and system integration programs
• Expertise in banking platforms such as Temenos T24, Avaloq within complex infrastructures
• Proven track record with leading Swiss institutions: EFG Bank, Azqore (Crédit Agricole), SGSS, handling regulatory-driven programs
• Successful delivery of multi-entity, fixed-price projects using Agile, Scrum, PMP, and Prince2 methodologies
• Strong skills in client engagement, risk management, project governance, and C-level stakeholder coordination
• Experience in nearshore delivery model design and ramp-up
• Fluent in French and Portuguese, operational in English, with deep insight into Swiss private banking operations
• Expertise in banking platforms such as Temenos T24, Avaloq within complex infrastructures
• Proven track record with leading Swiss institutions: EFG Bank, Azqore (Crédit Agricole), SGSS, handling regulatory-driven programs
• Successful delivery of multi-entity, fixed-price projects using Agile, Scrum, PMP, and Prince2 methodologies
• Strong skills in client engagement, risk management, project governance, and C-level stakeholder coordination
• Experience in nearshore delivery model design and ramp-up
• Fluent in French and Portuguese, operational in English, with deep insight into Swiss private banking operations
Experiences
Engagement Director - Energies, Utilities, Services
Inetum Group
Since April 2025
- Contract lifecycle management
- Oversee the full contract lifecycle from pre-sales to project delivery
- Ensure revenue recognition, risk control and accurate provisionning
- Drive project profitability and business growth
- Oversee the full contract lifecycle from pre-sales to project delivery
- Financial accountability
- Own the full P&L for the profit center
- Monitor financial performance and drive continuous margin improvement
- Promote nearshore delivery
- Own the full P&L for the profit center
- Delivery oversight
- define governance and project monitoring mechanisms
- Ensure high quality delivery
- Act as escalation point for clients and suport Engagement Managers during execution
- define governance and project monitoring mechanisms
- Team management
- directly manage and support Engagement Managers
- Ensure team satisfaction and professional development
- Lead strategic account meeting
- directly manage and support Engagement Managers
- Client relationship & value creation
- Deep undestanding of client challenges and business domains
- Act as a strategic advisor by proposing value-added solutions
- Contribute to client transformation and satisfaction
- Co-develop vertical Sector offerings with Innovation and Tech Direction
- Deep undestanding of client challenges and business domains
Project director - Transformation manager - Services & Delivery manager (banking)
Inetum Portugal
March 2023
to March 2025
- Led the transformation of the banking delivery model, transitioning activities from France to the nearshore service center in Lisbon
- Oversaw full project lifecycle (Build & Run) under fixed-price contracts, ensuring delivery quality, margin optimization, and client satisfaction
- Designed and implemented governance frameworks, project monitoring standards, and escalation processes for international accounts
- Managed financial performance for the banking portfolio, including P&L responsibility and risk provisioning
- Scaled the Lisbon delivery center from 3 to 50+ consultants, establishing a stable team across projects and maintenance
- Coordinated multi-technology environments (Open Java, COBOL/DB2, MVS, JCL) and ensured smooth integration of legacy and modern platforms
- Served as key interface between business stakeholders and delivery teams, contributing to strategic transformation initiatives for banking clients
Real estate and land investments in Brazil
Ceara, Brazil
July 2021
to December 2022
Senior Project Manager (banking)
EFG Bank (ITSS) (Geneva)
August 2020
to June 2021
- Core banking migration from Globus G13 to Temenos T24 R18 RHEL - Oracle
- Fixed price project
- Client relationship
- Migration strategy - 10 entities to migrate
- Team management (10 consultants)
- Organisation onsite - nearshore - offshore
Senior Project manager (banking)
Azqore Credit Agricole (Lausanne)
August 2019
to August 2020
- Client migration wave manager
- Migration QORE from MVS IDEAL DATACOM to UNIX COBOL DB2
- Team leader for Qore Performance on target platform
Senior Project manager (banking)
EFG Bank (Geneva)
January 2017
to September 2019
- Core Banking migration
- Migration from Globus G13 to T24 R18 Technical platform deployment TAFC + TAFJ Classic + Web browser + Desktop
- Architecture 3-tiers implementation Data layer : Oracle 12 Application layer : T24 on RHEL 7 Presentation layer : Jboss EAP
- technical gap analysis
- Data flows inventory
- ESB deployment (Talend)
- Migration strategy
- Organisation, management
- Migration from Globus G13 to T24 R18 Technical platform deployment TAFC + TAFJ Classic + Web browser + Desktop
- Private Banking - Migration from BSI Bank to EFG Bank
- Global project coordination Infrastructure
- Management of a 5 Project Manager team
- 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
- Users migration strategy - 1000 workstations
- Manager for applications migration - 600
applications to target, sunset or cleanup
- Project cost tracking
- Global project coordination Infrastructure
Senior Project manager (banking)
SGSS Société Générale Securities Services (Paris)
January 2013
to December 2016
- NCIS Project (New Custody Information System)
- Project manager and Scrum master of Agile team on Settlement stream and Securities Position Keeping stream
- New custody project for SGSS France, SGSSFrankfurt, 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
Wave manager on bank migration (banking)
Credit Agricole (Rodez)
September 2011
to 2012
- 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
- Rehearsals Coordination (weekly rehearsal RS, end of week rehearsals RW, and go-live migration BR)
Business Unit manager (Bank Finance Insurance)
GFI Informatique
August 2000
to September 2011
- Banking & Insurance Business unit management (200 people)
- Increase of business unit from 5 M€ in 2002 to 23 M€ in 2010
- 5 people commercial team management & Commercial development
- Development service center for Claims management for MACIF
- Important fixed-price projects coordination HR
- big deal contracts signing ( > 3 M€)
- Creation of development centers for bank & insurance clients
- Project coordination of data migration project from Crédit Mutuel Océan and Crédit Mutuel Anjou to Crédit Mutuel de Strasbourg
- management and recruitment
Analyst & project manager (bank & insurance)
Various
July 1991
to July 2000
- Project Manager & Business Analyst for banking and insurances
- CICOTITRES - Cergy - EURO project for Corporate Actions stream
- CREDIT LYONNAIS Securities IS modernization - Project manager on Third-party repository maintenance on Corporate actions Swift messages : MT554 Corporate action notification - MT565 : Corporate action instruction - MT566 : Corporate action confirmation
- UCB Functional homologation on professional credit project
- BCEE - Luxembourg - Triple A notation project - interest-rate swap and currency swap valuation
- SICOVAM - EUROCLEAR Regulatory evolution for registered shares - New projects on Foreign stock exchange (SWIFT, global custody), Corporate actions, Swift, RGV Functional IS modeling (MEGA) with technical view in production (Wincap / becubic)
- INDOSUEZ Wealth management project : inventory and valuation of all client assets and liabilities UAP - Paris - Infinirentes project - life contract management
- LA MONDIALE analysis and development of Previmmo - rent incomes management
Interests
Sports
- Cycling
- Running
Travel
- Portugal
- Switzerland
- Brazil
- France
Other
- Investments (financial markets & real estate)
Skills
General
-
Project Management
Expert
-
Business Analysis
Expert
-
Planning
Expert
-
Coordination
Expert
-
Budget
Expert
-
Fixed price project
Expert
-
large team management
Expert
-
IT Migration
Expert
-
Model transformation
Advanced
-
Nearshorisation
Advanced
-
Corporate actions
Good
-
Securities
Advanced
-
Settlement
Advanced
-
Financial markets
Advanced
-
Blockchain & Cryptocurrencies
Good
Methodology
-
Agile
Advanced
-
Scrum
Advanced
-
Merise
Advanced
-
PMP
Advanced
-
Prince2
Good
Technicals
-
JIRA
Expert
-
MS Project
Advanced
-
Word, Excel, Powerpoint
Advanced
-
Temenos T24
Good
-
HPQC / HP ALM
Good
-
Windows
Advanced
-
Unix
Good
-
Oracle
Good
-
MVS
Good
-
Cobol
Advanced
-
DB2
Good
-
SQL
Advanced
-
SWIFT messages
Advanced
-
Squash
Advanced
Languages
-
Portuguese
ExpertFluent
-
English
AdvancedB2
-
French
ExpertNative