Hello, World.

I'm Joris Limousin.

Fractional CTO Board Advisor

More About Me
About

Let me introduce myself.

Profile Picture

Seasoned Chief Technology Officer (CTO) with a robust background in financial services and RegTech. Proven track record of scaling a technology organisation from a startup team of 3 to a PE-backed, 250+ employees company and driving growth to eight-figure annual recurring revenue (ARR) while serving Tier-1 global banks. Combines deep expertise in cloud architecture (AWS serverless) and data analytics with strong business acumen, aligning technology initiatives with corporate strategy and compliance. Formerly Group CTO at Kaizen Reporting, leading all technology functions (Engineering, IT, InfoSec), now serving as Executive Technology Advisor to ensure a strategic handover. Relocating to Dubai in January 2026 and actively engaging on fractional CTO and investor-focused technology due diligence projects.

Resume

More of my credentials.

Work Experience

Kaizen Reporting

May 2015 - Dec 2025
London, United Kingdom

Executive Technology AdvisorOct 2025 - Dec 2025

  • Following the successful promotion of my successor, transitioned into a strategic advisory capacity to architect a seamless leadership handover.
  • Provided strategic oversight and knowledge transfer to the incoming CTO, led the final execution phase of the SOC 2 Type II compliance audit and core data platform modernisation, and ensured continuity for the board and key Tier-1 banking clients during the transition.

Chief Technology OfficerDec 2022 - Sep 2025

  • Steered group technology strategy across 7 international subsidiaries, leading ~80 engineers across engineering, corporate IT and information security to deliver reliable, scalable SaaS serving Tier-1 financial institutions.
  • Set the technical vision and strategy, reporting directly to the board and supporting a market-leading, eight-figure ARR business.
  • Led technical workstreams for a £42M growth equity investment, conducting comprehensive due diligence that satisfied top-tier investor requirements.
  • Directed technology strategy and integration for six acquisitions, from technical due diligence through post-merger integration and value realisation.
  • Shipped multiple AI-powered products to production, improving analyst productivity and accelerating client value.
  • Led the SOC 2 Type II compliance programme to further expand enterprise market penetration.

Head of TechnologyApr 2020 - Nov 2022

  • Oversaw engineering, corporate IT and information security during a high-growth phase. Expanded the core development team and launched new data analytics features that attracted major global financial institution clients.
  • Owned the technology budget, roadmap, and architecture, successfully delivering significant platform enhancements.
  • Conducted technical due diligence on several acquisition targets, identifying integration risks and guiding onboarding of acquired engineering teams and products.

Technology LeadJan 2017 - Mar 2020

  • Architected and built the company’s flagship serverless SaaS platform on AWS, enabling a scalable, cost-efficient solution for regulatory reporting during a period of 100%+ YoY growth.
  • Grew and mentored the engineering team to the first 10+ engineers, establishing coding standards and DevOps best practices to maximise deployment frequency and reliability.
  • Led the firm’s first successful ISO 27001 security program end-to-end, elevating compliance standards and trust among enterprise clients.
  • Conducted technical due diligence for the firm’s first acquisition and kicked off integration of products, data, and infrastructure.
  • Built and managed corporate IT from the ground up, implementing infrastructure and foundational policies for a rapidly growing distributed workforce.

Data ScientistMay 2015 - Dec 2016

  • Built core data-quality algorithms to detect reporting anomalies, forming the technical foundation of the company’s award-winning RegTech platform.
  • Translated complex regulatory requirements into functional products that secured the company's first Tier-1 clients.

SUPINFO International University

Mar 2012 - Apr 2017
Grenoble and Marseille, France

Instructor

  • Taught undergraduate and graduate courses in Computer Science, including DBA, Software Development, Networking & Security, and Big Data topics, balancing academic teaching with real-world industry insights (taught part-time alongside professional roles).

Earlier Career

Jan 2011 - Mar 2015
France

IT and Software Engineering Roles

  • Held several hands-on technical roles that built a strong foundation in software development, data analytics and IT operations.

Education

Master of Science (M.Sc.)

2010 - 2015
Grenoble, France

SUPINFO International University

  • Master of Science in Information Technology.
  • Graduated with Honours, specialisation in Business Intelligence (data analytics).

A-Levels in Science

2007 - 2010
Nivolas-Vermelle, France

Saint-Marc College

  • French secondary school diploma (Baccalauréat), Science.
  • Grade: European section with honours.
Contact
Where to find me

In a code review, on a board call, or sketching the next big idea.

Email Me At

hello@jorislimousin.com

LinkedIn

Connect with me on LinkedIn !