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Guillaume PesnelGP

Guillaume Pesnel

Expert Email Marketing đź’Ś Klaviyo Partner

€550/day
2 projects
Paris, FR
8-15 years

Average response time: 2 hours

Freelancer profile translated to English.
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About Guillaume

Most e-commerce businesses leave 10% to 20% of their revenue on the table, simply because their Klaviyo is not being utilized effectively đź’Ś

Guillaume, Email Marketing expert,Klaviyo Partner**, **Loyoly Partner(loyalty program),Wax Partner(Whatsapp).

I help founders and CMOs of B2C e-commerce businesses, with revenues between €1M and €15M, who **already have Klaviyo but feel it could be doing much more**.

Incomplete flows, overly broad segmentation, campaigns without a real strategy behind them... These are problems we see in every audit. And problems that we solve relatively quickly, together.

**On average, clients we work with generate 30% of their revenue via email**. Most of them weren't there when we started.


What I focus on:
- KlaviyoAudit& diagnosis of your situation
- CRMStrategyanddeploymentof converting flows
-Segmentation**, **campaigns**, **deliverability
- Ongoing monitoring, **optimization**, clear reporting
-Loyaltyandreferralprograms
-Whatsapp

Good collaboration is based on trust and communication as much as on technical skill.The free diagnosis is also an opportunity to see if we want to work together, from both sides.

Some brands: C Derma by Céline, Valebio, Meeko, Marie-Jeanne CBD, Matcha Matchy, Koko Kombucha, Pavenrod...

If you want us to explore together what your Klaviyo can truly do, the diagnosis is free.

Let's get started!

Guillaume.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Fluent

Remote only
Primarily works remotely

Experience

  • Air Sport Chamonix
    Malt logoOn Malt
    Complete Klaviyo CRM Setup (then monthly follow-up)
    May 2026 - June 2026 (1 month)
    - Setup of 2 pop-ups for list building
    - Creation of the email design system
    - Mapping and design of flows
    - Implementation of loyalty flows
    - Database segmentation
    - Implementation of the strategy and editorial plan for the 2026 sales period
    Email Sequence Email Campaign Klaviyo Newsletters Klaviyo Flows
  • Bohème Studio
    Creative Strategist - Email Marketer - CRM Expert
    CONSULTING AND AUDITS
    January 2023 - Today (3 years and 6 months)
    đź’Ś We take care of your emails. They look good, but most importantly: they sell.
    Our clients: Marie-Jeanne CBD - Sport Orthèse - House Of Freïa - Drink Haura - Pavenrod - Humu Surf Company - MatchyMatcha...

    - Not performing as well as you'd like?
    - Lacking time?
    - Want to be proud of your emails?

    Always the same goal: to increase your impact, clarity, and revenue.

    What we do -> Automations – Newsletters – SMS / WhatsApp – Segmentation – Editorial Calendar – Reporting.
    Marketing Klaviyo
  • We Don't Need Roads
    Sales & Community Builder
    July 2021 - Today (5 years and 1 month)
    Bd Périphérique, Paris, France
    WDNR is the positive impact studio that turns the economy into a force for good by scaling positive impact. We have 2 pillars of actions:
    - TRANSITION: Accelerate the sustainable transition of organisations & Reinvent business models within planetary boundaries.
    - SCALE: Create & scale positive impact solutions… sustainably. To learn more about our offers, check out our website www.wedontneedroads.io Sales - Strategic Partnerships - Ecosystem

Reviews

5.0

Out of 2 ratings

B

Benoit

Une personne de confiance - Air Sport Chamonix

Reviewed on 6/3/2026

A great, comprehensive Klaviyo CRM support! Flows, campaigns, list building, loyalty program, etc. A very good collaboration that boosts our CRM revenue! I highly recommend Guillaume and his team.
DariusD

Darius

Darius Parage

Reviewed on 10/30/2025

Guillaume exceeded our initial request and was proactive in proposing our email strategy with Klaviyo!

Recommendations

UE
Alice TouraineAT
FU
+3
Ulysse El Sherbeeny and 5 other people have recommended Guillaume

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Education

  • Master in Entrepreneurship and Project Management, Entrepreneurship / Entrepreneurial Studies
    IAE Bordeaux
    2019
    Master entrepreneuriat et management de projet , Entrepreneuriat / études entrepreneuriales
  • Bachelor's Degree, AES
    Université Rennes 2
    2017
    Licence, AES

Certifications

  • Klaviyo Partner
    Klaviyo
    2026
    Newsletter Writing Email Marketing Klaviyo Newsletter Design Klaviyo Automations

Skill set

Categories