Prepared for boards, nomination committees & search advisers
File No. CTO-046
Engineering the platforms on which the future is built.
| Subject | Isabelle Mercier |
|---|---|
| Position | Chief Technology Officer |
| Base | Canada · Global perspective |
| Languages | English, French |
| Board seats | 2 current · 0 previous |
| Status | Open to board appointments, advisory roles, speaking invitations |
Summary
I build technology organisations that can turn a strong idea into a dependable product and a durable platform. My work brings together engineering strategy, product ambition and the operating disciplines that support quality as an organisation grows.
| Item | Measure | Figure |
|---|---|---|
| 01 | Users on the platformAcross web, mobile and partner APIs | 40 M |
| 02 | Release frequencyWith fewer production incidents | 6× |
| 03 | Engineers ledIn five global engineering hubs | 1,200 |
| 04 | Patents grantedIn payments and applied AI | 23 |
Engineering choices shape what a product can become. I invest in architecture, technical leadership and developer effectiveness so teams can move with confidence. Reliability and delivery speed are decisions to design together, with trade-offs made explicit.
Signed — Isabelle Mercier
Non-Executive Director
Technology & Innovation (Chair)
2023 — Present
Technical Steering Committee
AI Safety Working Group
2021 — Present
Matter 01Ref. CTO-046-M01
A successful product was reaching the limits of its original platform. I worked with product and engineering leaders to identify the constraints that mattered most to customers, establish service boundaries and sequence migration without forcing a single high-risk cutover. The roadmap connected technical investment with the product capabilities it would unlock.
Matter 02Ref. CTO-046-M02
Engineering growth had introduced inconsistent delivery practices and unclear ownership. We clarified team missions, invested in shared development infrastructure and made reliability part of the product conversation. Technical leaders gained a common framework for decisions while teams retained the autonomy to solve problems within their areas of responsibility.
Matter 03Ref. CTO-046-M03
The organisation had many promising experiments but no consistent route from prototype to supported product. I introduced review points that considered user value, operational readiness, security and long-term ownership. The process helped teams distinguish an interesting demonstration from a capability the business could responsibly depend on.
2020 — Present
Aldermoor Group
Leading technology strategy, platform direction and engineering capability. Connecting product ambition with architecture choices, reliability expectations and the technical leadership needed to scale delivery.
2016 — 2020
Fairhaven Holdings
Built engineering teams and delivery practices across product and platform work. Developed technical leaders, clarified ownership and improved how teams evaluated design choices and operational feedback.
2013 — 2018
Lumen Payments
Rebuilt the payments platform for real-time scale and grew the engineering organisation from 80 to 600.
2007 — 2013
Kestrel Systems
Designed distributed systems used by national exchanges, and learned that reliability is a product feature.
Builds platforms the business can bet on, and engineering teams people want to join.
Brought rigour and humanity to our AI decisions in equal measure.
A technical decision creates possibilities and constraints for the teams that follow.
Read the essayReliability work competes poorly when it is presented only as engineering housekeeping.
Read the essayAdding teams changes coordination costs before it changes output.
Read the essayThe Technology Leaders Review · 2025
“Shipping six times faster with fewer incidents”
The Applied AI Forum · 2024
“What responsible AI looks like in production”
The Leadership Ledger podcast · 2024
“Episode 131 — Platforms as strategy”
An invitation
Chairs, nomination committees and search advisers may write directly. References and fuller records are available on request.
office@isabellemercier.example