Architect of Scale

Someone has to hold the whole thing.

A decision gets made in one room. Someone else has to carry it out in another. Too often what gets built is not what was decided. I stay with the work the whole way — the decision, the operating model, the data, the partners, the build, and the system that runs afterwards. Engineer by training; eighteen years in bank COO offices. Local in NJ, PA and NYC, and I work in French and English.

THE DECISION THE OPERATING MODEL THE DATA & AI THE PARTNERS THE BUILD THE SYSTEM THAT RUNS
Pillar 01

What Gets Built Is What You Decided

Work usually passes through several pairs of hands — a strategist, then a consultant, then a vendor, then an engineer. Something is lost at every handover, and what finally gets built is often not what was agreed. I stay with it from the decision through to the system that runs it: we decide together, I put the checks into the process, and I make sure what goes live matches what we said. One person, answerable for the result.

Pillar 02

People I Bring In When the Work Needs Them

Eighteen years of this work means I can take most of it myself. When a build needs more hands than one person has, I bring in people I have worked with and trust — Aileron on AI and cloud, building alongside me right now; a recruitment partner; security next. You contract them directly. I run the work and answer for the result. And I will tell you exactly what I do and don't get paid by anyone I put in front of you.

Pillar 03

You Find Out Early Whether It Will Work

I can do the technical work myself, so you learn cheaply whether an idea is real before you commit money to it. I can build a small working version in days instead of commissioning a study. It also means nobody can sell you something that won't work — I read the architecture and check the claims, rather than taking a vendor's word for it. I built KadoPool, a group-gifting payments platform, on my own in ninety days, and the Resilience Rulebook on this site. And when the work crosses the Atlantic, I speak both languages and know both sides.

Engagement Structure

Trust Is Earned in Stages

Nobody hands over how their company runs to someone they have just met. So we start small and cheap. It only grows if the first piece was worth paying for.

01

The Operating Survey

$5,000 fixed · 3 weeks

One question you cannot get a straight answer to internally, answered properly. A written assessment — and a recommendation that may well be to do nothing.

02

The Roadmap

From $25,000 · 4–8 weeks

The sequenced plan: decision gates, what has to be true at each one, the partner shortlist, the cost envelope. Proceed within 60 days and the Survey fee comes off this.

03

Run the Build

Monthly · 6–18 months

Partners do the specialist work. I make sure it adds up to what we agreed, and I answer for the result. You contract them directly. I stay in the room.

Entry Engagement

The Operating Survey

Most firms do not need another strategy. They need a straight answer to one question that has been holding up a decision for months — and nobody inside the building can give it, because everybody inside the building has a stake in the answer.

Scope
One question
Fee
$5,000 fixed
Duration
3 weeks
Access
Up to 5 interviews
Fixed Scope

What you get

  1. What is true today — observed, with the evidence behind it.
  2. What has to be true before the decision is safe to make.
  3. The gap — and a costed statement of what closing it would take.
  4. What I would do if this were my company, including nothing, where that is the honest answer.
  5. What I reviewed, who I spoke to, and what I could not verify.

Week one fixes the question in writing, and both of us sign off on it. Week two is the work — interviews, documents, data, and getting into the systems myself where that is what the question needs. Week three is the written assessment and the walk-through.

If answering the question would not change what you do, I will say so and decline the engagement. A Survey that only exists to sell the next phase is worth nothing to either of us.

Send me the question →
Project Records

Selected Work

One project told in full, including how it was earned — plus the two companies I help move between the US and Europe, in opposite directions.

Project / 01
Construction Consulting · International Firm
Active Engagement
Operating Transformation

Earning the Right to a First Large-Scale Investment

An international construction consultancy, strong in its domain and starting from nothing on data and AI. A year of small proof-of-concept work came first — to build their confidence and their understanding of the options, not to sell them the next phase. Only then did they commit to their first large-scale technology investment. Now: an eighteen-month roadmap, a live build with a delivery partner, and thousands of documents being turned into structured data the firm can actually use.

Project / 02
RegTech · France → US
Active Engagement
Cross-Border

Scaling French Regtech Into the US Market

Helping a French crisis-management and business-continuity software company enter the US: the plan, working out which US rules apply, lining up partners, and translating between the French head office and how things actually work here.

Project / 03
EdTech · US → France
Active Engagement
Cross-Border

Bringing a US Learning Platform Into France

The same job in reverse: helping a US AI learning platform, backed by federal-agency and corporate research partners, get into France — and helping its founder make sense of French institutions and schools.

Builder Fluency

Built With AI in 90 Days: KadoPool

I built and run KadoPool — a group-gifting payments platform — on my own, start to finish, in three months, using AI tools throughout. Before I ask a client to do this, I did it myself.

90 days · build to live Solo founder AI-native stack
  • • Privacy Shield: Individual contribution amounts are 100% private.
  • • Give-Back Model: Donating 30% of the platform fee to schools and PTAs.
  • • Infrastructure: Automated social payments via Stripe and Zendit.
KadoPool Interface
Field Notes

Operating Intelligence

Short notes, built on real data, about the questions I work on with clients — how companies actually run, the rules they run under, and what building with AI is really like. The evidence first, then what it means if you have to run the place.

Operating
Note / 01
Cross-Border
Europe → US
Field Note

What actually breaks when a European company enters the US

Five failure modes I keep seeing, and the case where all five showed up at once. The US does not test your strategy so much as amplify the operating debt you already carry at home.

Read the note →
Note / 02
Operating Model
Series B–C · Fintech
Field Note

The hidden tax of operational debt

The debt that builds up in how a company actually runs shows up in no backlog. It surfaces at three moments: a regulator asking where a number came from, a market entry that copy-pastes the home model, and the day your best operator resigns.

Read the note →
Note / 03
Scaling · Cross-Border
EU → US
Field Note

The implicit knowledge trap

The people who just know how it works are your greatest asset until they become your biggest dependency. The IRS has priced that risk into company valuations since 1959.

Read the note →
Note / 04
Innovation
Regulated Firms
Field Note

The architect’s paradox

In finance, failure is not an option — which protects the licence and quietly kills the ability to build anything new. Separate the ledger from the sandbox and the choice stops being binary.

Read the note →
Note / 05
Building With AI
Fintech · 90 days · solo
Long Read

What building with AI actually costs

I built a payments platform on my own in ninety days, using AI throughout. The hype says writing code is now free. What nobody mentions is that checking the work got a lot more expensive — which is the part most AI plans get wrong.

Read the note →
Regulation & Resilience
Note / 01
Transatlantic Resilience
US · EU · UK · Canada
Field Note

One Rulebook, Four Accents

Same eight principles, four regulatory philosophies — US incident-and-cyber, EU codified DORA, UK impact tolerances, Canada judgement. Across 508 obligations, and where the risk sits in each.

Read the note →
Note / 02
Healthcare Resilience
US · EU · Canada
Field Note

The Resilience That Moved

US healthcare regulates resilience as continuity of care; the EU as cyber controls — and every new rule since 2019 has been digital. 290 in-force obligations, plus the proposed pipeline that moves the needle.

Read the note →
Note / 03
Forthcoming Rules
US · EU · UK · Canada
Field Note

The Resilience Pipeline Reversed

A forward read of rules not yet in force: the US pulled back in 2025 while the EU, UK, and Canada moved supervision onto firms' critical vendors.

Read the note →
Reference
Rulebook
3 sectors · US/EU/UK/CA
In force + upcoming
Reference

The Resilience Rulebook

Operational-resilience obligations across financial services, healthcare, and critical infrastructure — what's in force and what's coming — as filtered, searchable rulebooks spanning US, EU, UK, and Canadian regulators. In partnership with Resilis.

Open the rulebook → For information only · not legal advice
Podcast · In partnership with Resilis

The Operational Lifeline

Curated news on operational resilience across Financial Services, Healthcare, and Critical Infrastructure — US-anchored, with a vital international lens on Canada, the UK, and the EU. Don't just react to disruption — anticipate it.

Listen to episodes → Get the newsletter
The Operational Lifeline podcast cover
Latest episode · Ep 3 · June 2026
Olivier Lachaud
Background Notes

The Architect of Scale

Engineer by training. Eighteen years in the COO offices of Scotiabank, Deutsche Bank, BNP Paribas — across New York, where the work was operating-model design, transformation, change management, and a fair amount of regulatory remediation. Discipline learned at scale, where the cost of getting it wrong was supervisory.

I founded WSquare Advisory because most firms do not need another advisor with a view. They need one person who will take a decision from the meeting room to the system that runs it, and answer for the result. Established firms building something they have never built before, companies that have outgrown the way they started, and businesses working across the US and Europe where the friction is as much cultural as operational. That is where the work is.

If you wonder, W Square = West Windsor, NJ.

© 2026 WSquare Advisory Inc. All rights reserved.