Félix Averlant/

Chief Product Officer

Here is my journey/

Co-founder & CPTO

SustainSoft

SaaS B2B - GreenTech

2021 - 2026

Remote

Founder

  • Techstars Paris '22 / raised seed / grew to 100+ B2B clients
  • Board member / represented product in governance and strategic decisions

Tech

  • Built and operated B2B SaaS end-to-end (solo): auth, infra, front/back end, AI, DB, CI/CD
  • Recruited and led tech and product team / defined roles, hiring bar and delivery rituals

Product

  • Drove product strategy and roadmap from ideation to MVP in 6 months to production
  • Continuous discovery and prioritization with opportunity-solution trees (cut ~40% of planned scope) / set UX/UI direction and handoff

Head of Product

Adot (acq. by Veepee)

SaaS B2B - AdTech

2017 - 2021

Paris, France

Product

  • Defined and shipped new product lines / scope, launch and iteration
  • Product documentation and legal/compliance framing for new offerings
  • Drove internal alignment on roadmap / presented product vision and roadmap to clients and prospects to support retention and upsell

Team management

  • Drove scaling from 30 to 100+ employees (3 Scrum squads, ~15 people, led via PMs & POs) and revenue from €6M to €24M
  • Led product and project teams / prioritization, capacity and delivery
  • Partnered with C-suite on product strategy and roadmap

Director of Analytics

Altima (acq. by Accenture)

E-commerce / Lead gen

2016-2017

New York City, USA

UX

  • Drove CRO for e-commerce and lead-gen interfaces / delivered -4% to +9% conversion gains
  • Led UX audits and recommended prioritised improvement backlogs for clients

Sales

  • Designed client proposals and led client follow-up for optimization programs / scope and results communication

Tech

  • Ran data analysis and configured testing/analytics tools to support experiment design and readouts

Management

  • Led optimization team (consultants, developers, designers) / staffing, delivery and client outcomes

Account Manager

MFG Labs (acq. by Havas)

Big data / Web agency

2013-2016

Paris, France

Project management

  • Ran sprint planning and standups / product QA and release readiness for key accounts
  • Led project delivery for Warner Bros France: corporate site, recommendation algorithm, e-commerce and second-screen app
  • Coordinated vendors and client stakeholders / scope, timeline and handover

Data

  • Defined and tracked product KPIs / reported on performance and drove decisions with stakeholders

Conversion consultant

Altima (acq. by Accenture)

E-commerce / Lead gen

2012 - 2013

Paris, France

UX

  • Drove CRO via A/B testing for e-commerce and lead-gen / achieved up to +19% conversion lift
  • QA for optimization tests and client deliverables

Sales

  • Contributed to pre-sales: scoping, demos and proposal input
  • Designed optimization proposals and led client follow-up and results presentations

Tech

  • Performed data analysis and configured A/B testing tools to support experiments

Skills/

Product & delivery

  • Strategy / Roadmap / OKRs / Tech & UX Specs
  • User research / Discovery / Feedback / Interviews
  • Sprint planning / SCRUM / Kanban / Backlog prioritization
  • Stakeholder alignment / Risk mitigation
  • Product-led growth (PLG) / Pricing & monetization
  • Team building & management / Cross-functional delivery

AI

  • Prompt engineering / ReAct patterns
  • MCP server & client / RAG
  • Agent architecture
  • Evaluation / Tracing
  • AI UX Patterns / A/B testing prompts / acceptance thresholds / Quality dashboards / Failure mode design

Tech

  • Javascript / Typescript / React / Next.js
  • Storybook / Playwright / Algolia
  • GraphQl / SQL / NoSQL / Gcloud / Sentry

UX & design

  • Design system / Prototyping / Wireframes
  • User journey / Audits UX
  • A/B testing / Conversion rate optimization (CRO)

Software

AI

  • Claude
  • LangChain / LangGraph / LangFuse
  • Vellum / OpenClaw
  • BMAD / agent-OS

PM/PO

  • Notion / Atlassian
  • Obsidian / Office
  • Tableau / GA / GTM
  • Figma

Education/

HETIC

Master of Computer Science

2011 - 2013

La Sorbonne - Paris 1

Law degree

2007 - 2010

Languages/

  • French — native
  • English — full professional proficiency

Publications (FR only)/

All of these publications were produced during my work-study placement in 2013. They showcase the UX changes made to optimize conversion rates on various websites.

Projects/

SustainSoft ↗

CPTO of the SustainSoft project, an extra-financial accounting tool for companies.

Interests/

  • Reading
  • Writing
  • Music production
  • Climbing
  • Cooking
  • Philosophy

Side Projects/

Kriptyq (2019) ↗2019

Generative posters from client text, real-time representation.

Hip Hop Featurings (2018) ↗2018

Interactive visualization of a graph with 70K artists and 75K featurings in hip-hop.

Baseball Score Calendar (2017) ↗2017

Baseball team scores visualization from 1921 to 2016 in calendar format.

Baseball Stats Comparator (2017) ↗2017

Visual comparison of baseball players statistics.

Last Metro (2012) ↗2012

App that notifies you of the last metro time and when you need to leave to catch it