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Jonathan Guillen RosJG

Jonathan Guillen Ros

Google Ads and Performance Marketing

€320/day
Valencia, ES
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jonathan

With over 15 years of experience in Online Marketing, my expertise is primarily focused on PPC and Performance Strategies, serving both direct clients and agencies. My specialization covers a broad spectrum of platforms, including Google Ads (encompassing Search, Display, Video, App, Local, Shopping, and PMax), Social Ads (covering Facebook, Instagram, Twitter, and LinkedIn), affiliate networks (such as smart4ads and idealo), and marketplaces (like capterra, appvizer, and doiser). This diverse skill set has been successfully implemented across various industries, including Education, B2B, Franchises, E-commerce (covering FMCG, Cosmetics, Home Appliances, etc.), SaaS (for both B2C and B2B sectors), Automotive, and Event Ticketing, to name a few.

My proficiency in Hubspot and Zoho, along with my experience in SaaS market entry, has enabled me to take on comprehensive roles, ranging from sales representative to marketing director in the automotive sector. This background has provided me with a holistic perspective that integrates sales department dynamics and lead management, going beyond mere acquisition.

My background in journalism and design (both print and web) has equipped me with strong writing skills and a deep understanding of user experience (UX). This combination is fundamental to my approach in creating engaging content and designing user-friendly interfaces, aiming to maximize conversions and minimize user time on landing pages and websites.
  • Spanish

    Native or bilingual

  • Catalan

    Native or bilingual

  • English

    Native or bilingual

  • French

    Basic

Remote only
Primarily works remotely

Experience

  • Rightleftagency,
    Head of Paid Media
    April 2025 - Today (1 year and 2 months)
    • ● PPC Strategy, Daily Management and Reporting for 10 clients from different industries: Job Boards (B2B & B2C), Benefit & Rewards Consultancy (B2B), Used Car Listings , Real Estate (Rent & Purchase), Benefits Software (B2B), Retail (different types), Health, Education, Self Storage, Tourism & lodging (B2C & B2B) in over 5 countries.
    • ● Using GAds (All channels), Facebook, Instagram, Tik Tok, Linkedin, Programmatic (DV 360 & Stackadapt), Waze, Bing Ads & Capterra.
    • ● Coordination of 4 specialists, from task management to training for different platforms and procedures.
    • ● Reporting Automation with Funnel and Data Studio.
    • ● Average combined monthly budgets over 500k.
    • ● Support for new business pitches on the PPC side.
    Average Monthly Budgets: 500k
  • DAC Group,
    Senior Paid Media Manager
    January 2022 - April 2025 (3 years and 3 months)
    • ● PPC Strategy, Daily Management and Reporting for 10 clients from different industries: Finance (B2B), SaaS B2B, Events, Education and Ecommerce.
    • ● Using GAds (All channels), Facebook, Instagram, Tik Tok, Linkedin, Programmatic (DV 360 & Stackadapt), Waze, Bing Ads & Capterra.
    • ● Coordination of 2 specialists, from task management to training for different platforms and procedures.
    • ● Reporting Automation with Funnel and Data Studio.
    • ● Average combined monthly budgets over 250k.
    • ● Support for new business pitches on the PPC side.
    Average Monthly Budgets: 250k
    Results Summary:
    • ● +120% Yearly Revenue from 2022 to 2024 with +75% Budget for Serviced Apartments Client.
    • ● +45% MQLs for B2B Sales Enablement SaaS client.
    • ● +75% Lead Generation for B2B Benefits Software Client.
    • ● +67% Lead Generation for B2C Dental Clinic Chain.
    • ● +250% Store Visits; +150% in Quotes & Calls for a Self Storage client.
    • ● +180% YoY Conversions for a German Job Listing with -25% CPA.
    • ● +98% Revenue for a German Jobs B2B Client with a ROAS over 3.
    • ● +240% Conversions (Store Visits and Reservations) and -15% CPA for a French Restaurant Chain.
  • Smartup, Remote
    Senior Paid Media Manager
    October 2020 - January 2022 (1 year and 3 months)
    • ● Planning, Creation, Setup, Ad copy & daily management of PPC accounts for clients from industries such as Education, Car Auctions, Dental services, Trading, Fitness, FMCG.
    • ● Using Google Ads (Search, Display, Youtube & Shopping), Facebook & Instagram Ads, Linkedin Ads, Twitter Ads, Tik Tok for Business & Marketplaces such as Capterra and Appvizer.
    • ● Training Courses for Clients. Overall monthly budgets: 700k to 1M€
    Results Summary:
    • ● 200-500% increase (depending on education level) in Lead Generation for one of the largest Universities in Mexico and segmented for 28 of its 32 campuses, 4 education levels and up to 40 different subjects.
    • ● Bringing a gym chain to pre-pandemic suscriptions volume and increasing the online attributed suscription share from 18% to 35%.
    • ● 150% increase in leads for a SaaS Sales software and -35% CPL.
    • ● Launched a Car Auction site delivering signups at less than 3€ per sign-up.

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Education

  • Journalism
    Universitat Internacional de Catalunya
    2006
  • Autodesk Maya
    IDEP
    2007

Certifications

  • Search, Display & Shopping
    Google
    2019
  • Advanced English
    British Council
    2007

Skill set

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