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Wanig Guillo

CTO & International Engineering Leader

Open to international opportunities

Professional Summary

Accomplished technology leader with 20+ years of progressive experience, including CTO tenure and international team management. Proven track record scaling from developer to R&D Director/CTO at MGDIS, now leading distributed engineering teams at Benevity across multiple countries. Expert in software architecture, team development, and bridging European and North American tech cultures. Bilingual French/English professional.

Professional Experience

Software Development Manager

Benevity — Vannes, Brittany, France (Remote)

Sep 2022 - Present

Lead distributed engineering teams across international locations, coordinating with North American headquarters and global development centers while driving technical excellence and team growth.

  • Manage distributed engineering teams across multiple countries and time zones
  • Coordinate with North American, Swiss, and Spanish-speaking development teams
  • Drive technical architecture decisions for the Employee Purpose platform
  • Bridge European and North American engineering practices and cultures
  • Led development team through acquisition integration, ensuring technical continuity
  • Mentor and develop engineering talent across distributed teams

R&D Director / CTO

MGDIS — Vannes, Brittany, France (Hybrid)

Dec 2016 - Sep 2022

Directed complete technology strategy and R&D operations as CTO, culminating a 17-year journey from developer to executive leadership.

  • Directed complete technology strategy, architecture decisions, and R&D roadmap
  • Led and scaled engineering organization across multiple product lines
  • Drove digital transformation initiatives for public sector clients
  • Managed technology budget, vendor relationships, and strategic partnerships
  • Established engineering best practices and development standards
  • Built high-performing teams through recruitment, mentoring, and culture development

Head of Analysis & Development

MGDIS — Vannes, Brittany, France

Nov 2015 - Dec 2016

Led the Analysis and Development department, preparing for CTO responsibilities.

  • Managed analysis and development teams
  • Coordinated technical delivery across projects
  • Bridged business requirements with technical implementation

Head of User Experience

MGDIS — Vannes, Brittany, France

Nov 2013 - Nov 2015

Led the User Experience team, driving UX strategy across products.

  • Established UX practices and design standards
  • Led cross-functional UX initiatives across product portfolio
  • Built and mentored the UX team

Mobile Activity Manager

MGDIS — Vannes, Brittany, France

Jan 2011 - Oct 2013

Pioneered and led the mobile development activity.

  • Created and led mobile development capability from scratch
  • Defined mobile strategy and technology choices
  • Delivered first mobile applications for public sector clients

Analyst Developer

MGDIS — Vannes, Brittany, France

Oct 2005 - Dec 2010

Started career as analyst developer, building technical foundation.

  • Developed software solutions for public sector clients
  • Progressed from junior to senior technical roles
  • Built expertise in enterprise software development

Skills & Expertise

Leadership

Engineering Team ManagementInternational Team CoordinationR&D Direction (CTO experience)Cross-Cultural LeadershipTalent Development & MentoringStrategic PlanningOrganizational Transformation

Technical

Software ArchitectureTechnology Strategy & RoadmapSystem DesignCloud InfrastructureDevOps & CI/CDAgile MethodologiesMobile DevelopmentUser Experience Strategy

Business

Budget ManagementStakeholder CommunicationVendor ManagementDigital TransformationPublic Sector Domain ExpertiseAcquisition & Integration

Education

Master 2 (M2) — Software Development

Université de Bretagne Occidentale — Brest, France

2002 - 2005

DEUG — Computer Science

University of South Brittany — Vannes, France

2000 - 2002

Certifications

Manager Essentials — Benevity
Jan 2025
Certified ScrumMaster — Scrum Alliance

Languages

French (Native)
English (B2 level)