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Olivier SerresOS

Olivier Serres

Customer Success Expert

€1,000/day
Barcelona, ES
15+ years

Average response time: 1 hour

About Olivier

Customer Success leader with over 18 years of experience driving retention, account growth, and operational excellence in SaaS and marketing automation environments. Skilled in contract renewals, client engagement, and process optimization, with a strong results-driven mindset. Trilingual (Spanish, French, English) and internationally experienced, I bring both strategic vision and hands-on execution to maximize customer lifetime value.
  • Spanish

    Native or bilingual

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Barcelona (up to 50km)

Experience

  • RevCognition
    AI Strategy Consultant | B2B SaaS & Customer Success Automation
    CONSULTING AND AUDITS
    October 2025 - Today (8 months)
    Barcelona, Spain
    I help organizations transition from reactive operations to predictive, AI-driven ecosystems. Leveraging 20+ years of leadership in Customer Success, I design AI strategies that solve real business problems—specifically focusing on Retention (NRR), Churn Reduction, and Commercial Intelligence.

    Core Services:

    AI Readiness Audits: Assessing data infrastructure and operational workflows to determine feasibility for AI adoption.

    Strategic Implementation: Designing "Strict RAG" architectures and Agentic Workflows that automate support and retention tasks without compromising data privacy or security.

    Commercial Intelligence: Implementing AI tools to optimize prospecting and personalize the customer lifecycle at scale.

    Fractional AI Leadership: acting as a bridge between C-Level business goals and technical engineering teams to ensure ROI.

    Current Focus: Developing "Zero-Hallucination" support agents for industrial and high-compliance sectors.
    AI Product Management Customer Success Management Data-Driven Decision Making Customer Retention B2B SaaS
  • Probance
    Head of Customer Success Front
    November 2024 - Today (1 year and 7 months)
    Valencia, Spain
    • Manage a portfolio of 500 clients across France, Spain, UK, and Canada.
    • Designed and implemented a new customer lifecycle model, improving client onboarding efficiency
    • Defined and tracked Customer Success KPIs aligned with corporate objectives.
    • Established cross-departmental processes enhancing CSAT scores and team collaboration.
    • Identified expansion opportunities, increase in upsell revenue.
  • Actito
    Customer Success Director
    January 2020 - May 2024 (4 years and 4 months)
    Barcelona, Spain
    • Led Customer Success for 100 clients in France and Iberia, achieving a client retention rate above 95%.
    • Built trusted advisor relationships with key stakeholders, driving product adoption.
    • Collaborated with Marketing and Product teams to successfully launch new features based on client feedback.
    • Achieved consistent year-on-year growth of 12% in client upsells.

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Education

  • Bachelor of Business & Bachelor of Arts
    ESIAE
    1999
    Bachelor of Business Administration (BBA)
  • High School Diploma
    Liceo Frances Louis Pasteur
    1995
    High School Diploma

Skill set

Categories