Nicolas Mathieu · AI practitioner · Paris

AI. IN PRODUCTION.

I helped €200M+ organizations make AI an operational reality. From scoping to deployment, working alongside your teams.

Nicolas Mathieu
15years in product, tech and the field.
Nicolas MathieuFrom advice to execution.
Experience built at
Blackstone — Home PartnersDotworldSopra Steria
My background ↗
01 — What I believe

Successful AI transformations are 70% an organizational shift, and 30% a technical project. Inverting that ratio is the #1 cause of at-scale failure.

— Nicolas Mathieu
70%Organization
30%Technology
02 — Proven in practice

Home Partners of America

Blackstone Group
30,000+ residential units · Post-acquisition value creation · 2022 – 2023

AI transformation of the contact center for a 30,000-unit residential portfolio. Designed and shipped a production AI system that qualifies, routes and resolves tenant requests — deployed across the full portfolio, within the operational and regulatory constraints of a real estate operator.

46%
Tickets deflected by the AI chatbot
97%
Intent accuracy (domain vocabulary)
60%
Reduction in average resolution time

Engagement performed at Home Partners of America, a Blackstone subsidiary, 2022 – 2023. Public data, informed stakeholders, within applicable confidentiality agreements.

03 — Case study

For the European Commission.

An engagement delivered with ClairAI: a concrete need, and a tool used in practice by a non-technical team.

European Commission · European Citizens’ Panels

ECP Companion

For the European Citizens’ Panels run on behalf of the European Commission, supporting the Missions Publiques team that facilitates them: auditing, architecture, code review and a development method for its multilingual deliberation app that the team can keep using.

European Commission · 150 citizens · 24 languages · 3 months of support

Read the ECP Companion case on ClairAI ↗
04 — Engagements

A roadblock. A way forward.

Three bounded formats, calibrated for €200M+ organizations, designed to ship to production — not POCs.

A15 – 20 days

AI Production Audit

For

Organizations sitting on 5–15 AI POCs, few of which reach production.

Deliverable

Portfolio diagnostic + 3–6 month production roadmap.

B30 – 45 days

AI Act Readiness

For

Groups using or planning AI in HR, scoring, biometrics or infrastructure.

Deliverable

Inventory, Annex III classification, operational compliance plan.

C60 – 90 days

Operational AI Transformation

For

Functions transforming a high-volume support/ops spine.

Deliverable

Design + launch of a production AI system, scoped and measured.

Every engagement starts with a 5 – 7 day operational framing.

05 — AI training

AI training for your team.

I train teams to use AI on their own work: preparing a proposal, writing meeting notes, finding information or automating a task. Exercises fit each role and experience level.

Prepare your use cases

Before the session, we choose the tasks, the documents that can be used and the expected results.

Practise and verify

Your team learns to provide context, compare answers with source material and spot invented information.

Reuse the method

Your team keeps the materials, examples and checklists. Time saved is measured including review and corrections.

One workshop or several sessions. Programme, duration, fixed price and tools agreed before we start.

06 — Background

15 YEARS. IN THE FIELD.

Also the founder of ClairAI

I built my practice alternating between product, applied ML and operational leadership — always on high-volume systems, where the org/tech ratio decides success.

  1. 2017 – 2019
    TIAOBrussels
    Hyper-growth B2B SaaS marketplace — user base ×12 in two years
  2. 2019 – 2020
    Sopra SteriaBrussels
    Digilab — embedded ML tooling for European air traffic control
  3. 2021 – 2022
    SipScienceChicago
    B2B data platform — acquisition strategy rebuild, 14 channels activated
  4. 2022 – 2023
    Home Partners of AmericaChicago
    Post-acquisition value creation for Blackstone — AI transformation of a 30,000+ unit contact center
  5. 2023 – 2025
    DotworldLausanne
    Chief Product Officer, EXCO member4 SaaS shipped in 6 months, €1.6M revenue impact
  6. 2025 – …
    FounderParis
    AI practitionerFDE, AI implementation for €200M+ organizations
07 — Book a call

Let’s make it happen.

Pick a time in my calendar to discuss your project, your questions or a potential collaboration.

Prefer to email me?

nicolas@clairai.fr ↗

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