Our team

Our SEO advice is clear and progressive. Our services are transparent: we like to be open about the way we work. Thanks to our 100% focus and comprehensive approach, we achieve great results for our clients. Whatever your SEO question.

Our team consists of experienced SEO specialists with several years of experience who are broadly applicable in the SEO world. Our company is built on a few core values namely: specialism, onder support and personal relationship. With these values, our company has achieved several successes and we help many different types of businesses.

SEO office Onder Zwolle

Bart van Heulen

Business Development Manager

Bart van Heulen is Business Development Manager bij Onder. Vanuit een stevige basis als technisch SEO-specialist helpt hij organisaties bij het maken van de juiste keuzes op het gebied van SEO en CRO...

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Britt Sibie - SEO desk Onder

Britt Sibie

Content specialist

Britt Sibie is a SEO specialist at Onder, with a focus on content optimisation. She gets energy from writing strong texts and improving findability and content, while ...

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Celine van der Ploeg

Office manager

As Office Manager at Onder, Celine deals with a very versatile range of tasks, including onder other human resources, facility management and (financial) administration. organising trai...

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Cynthia Bos

Technical SEO & CRO specialist

Cynthia is Technical SEO/CRO Specialist at Onder. Her passion lies in improving websites by using the data collected. With the ultimate goal of getting the best results for...

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Ineke Withaar-Colijn

Content specialist & SEO trainer

Ineke Withaar-Colijn is a Content specialist and SEO trainer at Onder. She tackles SEO and SEA with enthusiasm and a critical eye to work towards the best results. Furthermore, ...

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Ivo Nijboer

Content specialist

As a SEO Specialist, Ivo focuses mainly on your on-page SEO and acts from strategic frameworks.By working out complete scenarios, he determines the best strategy together with you......

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Jan Willem - SEO desk Onder

Jan Willem Harmsen

Content specialist

Jan Willem is a SEO specialist at Onder. With his background in Small Business & Retail Management and a strong passion for online marketing, he brings a fresh and driven energy to the te...

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Jeroen Driehuis - SEO desk Onder

Jeroen Driehuis

Technical SEO & CRO specialist

Jeroen is an experienced SEO specialist at Onder with a strong focus on technical SEO, data and conversion rate optimisation (CRO). Driven by a passion for online marketing and analytical insight, takes...

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Lars Schepel

Lars Schepel

Content & autoriteit

Lars Schepel is SEO specialist bij Onder. Hij heeft een aantal jaar gewerkt als (SEO) Content Marketeer in de retailbranche. Bij Onder wil hij erachter komen waar zijn affiniteiten liggen binnen de SE...

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Lars van Valkengoed

Lars van Valkengoed

Content & autoriteit

Lars is SEO-specialist bij Onder. Zijn passie ligt bij het helpen van bedrijven om online beter gevonden te worden. Deze passie is ontstaan tijdens zijn studie E-commerce, waar hij al snel ontdekte da...

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Leanne la Faille

Content & Authority Specialist

Leanne la Faille's speciality lies mainly in content, but this does not stop her from developing in other fields as well. As a result, she not only helps your website with good conten...

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Linde van Gurp

Marketeer

Linde van Gurp is marketeer bij Onder. Ze bedenkt en coördineert campagnes om onder andere onze SEO trainingen en diensten onder de aandacht te brengen, stuurt de contentplanning aan en houdt de grot...

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Mariska Snoek

Content specialist

Mariska Snoek is a content specialist at Onder. She is mainly concerned with improving content to ensure that the best possible results are achieved. This involves moving ...

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Martijn Hoving

Founder & SEO Specialist

Martijn Hoving is the founder of Onder. An experienced SEO specialist, he helps improve the findability of your website. Martijn also provides online marketing advice and training, in which SEO bove...

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Sanne Pasterkamp Kramer

Content specialist

Als SEO-specialist richt Sanne zich voornamelijk op het optimaliseren van content. Ze schrijft graag teksten die werken voor gebruikers én zoekmachines en geniet ervan om de resultaten van een goed u...

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Tristan Staal

Technical SEO & Content specialist

Tristan Staal is a SEO Specialist at Onder. He gets a lot of energy from improving companies' online results and is keen to develop further in all facets of SEO. Meanwhile, hee...

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Would you also like to be Onder part of us?

Check out our vacancies! we are always looking for extra help to make the web even better :)

Onder vacancies