Expériences — William Le Mentec

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

Experiences

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
Financial accountability
- Own the full P&L for the profit center
- Monitor financial performance and drive continuous margin improvement
- Promote nearshore delivery
Delivery oversight
- define governance and project monitoring mechanisms
- Ensure high quality delivery
- Act as escalation point for clients and suport Engagement Managers during execution
Team management
- directly manage and support Engagement Managers
- Ensure team satisfaction and professional development
- Lead strategic account meeting
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

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

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

Client migration wave manager
Migration QORE from MVS IDEAL DATACOM to UNIX COBOL DB2
Team leader for Qore Performance on target platform

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
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

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

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)

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

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

Votre navigateur est obsolète !

William Le Mentec

IT Transformation & Migration Director - Banking & Energy Sector

Engagement Director - Energies, Utilities, Services

Project director - Transformation manager - Services & Delivery manager (banking)

Real estate and land investments in Brazil

Senior Project Manager (banking)

Senior Project manager (banking)

Senior Project manager (banking)

Senior Project manager (banking)

Wave manager on bank migration (banking)

Business Unit manager (Bank Finance Insurance)

Analyst & project manager (bank & insurance)