Senior marketing leadership.

Without hiring full-time.

Jeroen van Ittersum | Freelance digital marketing

MY CLIENTS

You’re in good company

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MY SERVICES

What I can do for you

  • Pictogram van drie personen, symbool voor groep of community.

    Interim management

    Leading marketing teams or building strategy and structure from the ground up.

  • Pictogram van een stijgende grafieklijn met een pijl, symbool voor groei.

    Performance marketing

    Strategic and hands-on support across Google, Meta, and other key marketing channels.

  • Grijs cirkelpictogram met herlaadsymbool, pijlvorm met bocht in klokwijzerzin.

    Customer retention

    Retention strategy, email marketing, and automation that keeps your customers engaged.

  • Pictogram van een gloeilamp op een grijze achtergrond.

    Consultancy and advice

    A sparring partner to challenge your ideas and sharpen your marketing strategy.

MY EXPERIENCE

Some of the great companies I’ve worked with.

  • Catawiki logo in blauwe kleur

    Catawiki

    Performance marketing and retention

    At Catawiki, I was responsible for performance marketing, CRM, marketing automation, and user retention. I played a key role in building the marketing automation stack and growing the team. My focus was on improving customer lifecycle communication and driving repeat engagement through data-driven strategies.

  • Otrium

    Otrium

    Head of Retention

    At Otrium, I led efforts in retention, CRM, and marketing automation. I implemented tools like Iterable and Segment, built the marketing stack from the ground up, and recruited and managed the CRM team. My work centered on creating scalable, automated customer journeys to drive engagement and retention.

  • Mydatafactory

    Mydatafactory

    VP of Marketing

    At Mydatafactory, I led a full rebranding and developed the overall marketing strategy with a strong focus on B2B lead generation. I built and managed the marketing team and was actively involved as part of the management team. My efforts helped reposition the brand and increase qualified inbound leads.

  • Logo met het woord 'LOAVIES' in zwarte hoofdletters.

    LOAVIES

    Head of Digital

    At LOAVIES, I developed and led the digital marketing strategy across performance marketing, CRM, and retention. I managed the marketing team, optimized the website for conversion, and contributed as a member of the management team. My work supported strong growth in customer acquisition and loyalty.

  • Kinesso

    Kinesso

    Performance Lead

    As Performance Lead at Kinesso, I was responsible for the quality and effectiveness of digital campaigns for clients including Dyson, Mattel, and the Dutch Goverment. I oversaw campaign strategy, optimization, and reporting to ensure high performance across channels. I also mentored team members and maintained strong client relationships.

  • Doctolib Siilo

    Doctolib Siilo

    Online Marketeer

    As an online marketeer at both Doctolib and Siilo, I handled a broad scope of tasks including performance advertising, CRM, and marketing automation. I created and optimized user journeys, ran paid campaigns, and contributed to overall growth strategies. My role was both analytical and creative, ensuring measurable impact.

GET IN TOUCH

How can I help you today?