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Meet the team

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Meet the team

We work with a growing team of over 18 specialists for numerous clients from small to big among which well-known brands and leading marketing agencies.

Relevant Online is located in a spacious and comfortable office in De Pionier, Utrecht, near the Jaarbeurs.

Wout Smelt

WOUT SMELT
Managing Director

Harm Linssen

HARM LINSSEN
Partner

Suze edit

SUZE LÖBKER
Head of Product

Feiko Bierman

FEIKO BIERMAN
Strategy Lead / Team Lead Tracking & Analytics

Vivienne_website_compressed

VIVIËNNE PICKKERS
HR & Finance

Paula Bernal Pastor

PAULA BERNAL
Team Lead Data Engineering

Georgios_website_compressed

 GEORGIOS ROULLIS
Technical Web Analytics

Jamie Adjodha

JAMIE ADJODHA
Data Engineer

Inês Andrade

INÊS ANDRADE
Data Analyst

Sergei Romanov

SERGEI ROMANOV
Data Engineer / Data Scientist

Sofoklis Repopoulos

SOFOKLIS REPOPOULOS
Technical Web Analytics

Arsenty website

ARSENTY RUTSINSKIY
Data Scientist

Levi Tas

LEVI TAS
Data Engineer

Dimitris

DIMITRIS MARKANTONATOS
Data Engineer

Martín Ameyugo

MARTÍN AMEYUGO
Technical Web Analytics

K.T. website

KEREM TEKIN
Software Engineering

D.G. website

DAVID VAN GRONINGEN
Front-end Developer

Yassir website

YASSIR OUALD HADJ 
Software Developer

Zico website

ZICO BÄCKER
Software Developer

Your picture could be here...

YOU?
Data Scientist 

This could be you!

YOU?
Data Engineer

Your picture could be here...

YOU?
Data Scientist 

This could be you!

YOU?
Technical Web Analyst

Your picture could be here...

YOU?
Data Scientist 

Meet the team

We work with a growing team of over 18 specialists for numerous clients from small to big among which well-known brands and leading marketing agencies.

Relevant Online is located in a spacious and comfortable office in De Pionier, Utrecht, near the Jaarbeurs.

Wout Smelt

WOUT SMELT
Managing Director

Harm Linssen

HARM LINSSEN
Partner

Suze edit

SUZE LÖBKER
Head of Product

Feiko Bierman

FEIKO BIERMAN
Strategy Lead / Team Lead Tracking & Analytics

Vivienne_website_compressed

VIVIËNNE PICKKERS
HR & Finance

Paula Bernal Pastor

PAULA BERNAL
Team Lead Data Engineering

Georgios_website_compressed

GEORGIOS ROULLIS
Technical Web Analytics

Jamie Adjodha

JAMIE ADJODHA
Data Engineer

Inês Andrade

INÊS ANDRADE
Data Analyst

Sergei Romanov

SERGEI ROMANOV
Data Engineer / Data Scientist

Sofoklis Repopoulos

SOFOKLIS REPOPOULOS
Technical Web Analytics

Arsenty website

ARSENTY RUTSINSKIY
Data Scientist

Levi Tas

LEVI TAS
Data Engineer

Dimitris

DIMITRIS MARKANTONATOS
Data Engineer

Martín Ameyugo

MARTÍN AMEYUGO
Technical Web Analytics

K.T. website

KEREM TEKIN
Software Engineering

D.G. website

DAVID VAN GRONINGEN
Software Engineering

Yassir website

YASSIR OUALD HADJ 
Software Developer

Zico website

ZICO BÄCKER
Software Developer

This could be you!

YOU?
Data Engineer

Your picture could be here...

YOU?
Data Scientist 

This could be you!

YOU?
Technical Web Analyst

Meet the team

We work with a growing team of over 18 specialists for numerous clients from small to big among which well-known brands and leading marketing agencies.

Relevant Online is located in a spacious and comfortable office in De Pionier, Utrecht, near the Jaarbeurs.

Wout Smelt

WOUT SMELT
Managing Director

Harm Linssen

HARM LINSSEN
Partner

Suze edit

SUZE LÖBKER
Head of Product

Feiko Bierman

FEIKO BIERMAN
Strategy Lead / Team Lead Tracking & Analytics

Vivienne_website_compressed

VIVIËNNE PICKKERS
HR & Finance

Paula Bernal Pastor

PAULA BERNAL
Team Lead Data Engineering

Georgios_website_compressed

GEORGIOS ROULLIS
Technical Web Analytics

Jamie Adjodha

JAMIE ADJODHA
Data Engineer

Inês Andrade

INÊS ANDRADE
Data Analyst

Sergei Romanov

SERGEI ROMANOV
Data Engineer / Data Scientist

Sofoklis Repopoulos

SOFOKLIS REPOPOULOS
Technical Web Analytics

Arsenty website

ARSENTY RUTSINSKIY
Data Scientist

Levi Tas

LEVI TAS
Data Engineer

Dimitris

DIMITRIS MARKANTONATOS
Data Engineer

Martín Ameyugo

MARTÍN AMEYUGO
Technical Web Analytics

K.T. website

KEREM TEKIN
Stagiair Software Engineering

D.G. website

DAVID VAN GRONINGEN
Stagiair Software Engineering

Yassir website

YASSIR OUALD HADJ 
Software Developer

Zico website

ZICO BÄCKER
Software Developer

This could be you!

YOU?
Data Engineer

Your picture could be here...

YOU?
Data Scientist 

This could be you!

YOU?
Technical Web Analyst

© 2025 Relevant Online

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Company

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About Us

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Working at Relevant Online

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© 2025 Relevant Online
  • WOUT SMELT
  • Job title: Managing Director
  • Relevant Online join date: 02-11-2016
  • FACTS ABOUT ME
  • Life movie title: The Rollercoaster
  • Guilty pleasure: Reading Donald Duck
  • Most used emoji: :-)
  • Favorite quote: “Strive not to be a success, but rather to be of value.”

What do you do at Relevant Online and in what circumstances would I come to you for something?

Solving technical puzzles. When someone says something is “impossible” I like to prove them wrong.


What energizes you at work?

Using our technical creativity together with colleagues to achieve the goals of our clients.


What’s your most-used productivity hack?

Windows + shift + s.

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  • HARM LINSSEN
  • Job title: Partner
  • Relevant Online join date: 02-11-2016
  • FACTS ABOUT ME
  • Movie title about me: The Sound of Music
  • Weirdest food ever eaten: Grasshopper and snake
  • Best advice ever given:
    "Appreciate now, and make the best out of it." - My wife

What do you do at Relevant Online and in what circumstances would I come to you for something?

Business Development, Finance and Marketing. Come to me for a chat or with ideas about potential partners and clients. 


Who has influenced you the most when it comes to how you approach your work?

Since we started Relevant Online Wout has been an extremely valuable sparring partner. We both have different strengths and he always  manages to inspire and motivate me.


What energizes you at work?

Happy colleagues, happy clients and our amazing coffee.

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  • SUZE LÖBKER
  • Job title: Head of Product
  • Relevant Online join date: 01-01-2018
  • FACTS ABOUT ME
  • Desired superpower: Creating extra time with a time machine.
  • Movie title about me: Catch Me If You Can

What do you do at Relevant Online?

A whole bit of everything with a focus on data (strategy).


What’s a work-related accomplishment that you’re really proud of?

The growth that we have made with Relevant Online the past couple of years.

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  • Feiko Bierman
  • Job title: Strategy Lead / Team Lead Tracking & Analytics
  • Relevant Online join date: 03-06-2024
  • FACTS ABOUT ME
  • Superpower that you would like to have:
    Teleportation (I am dutch and love efficiency)
  • Guilty pleasure: German Schlager Music
  • Strangest talent: I am very good at recognizing sounds and flavours

What do you do at Relevant Online and in what circumstances would I come to you for something?

My goal is to make tricky data stuff easier for everyone to get. I use my knack for strategy, coming up with new solutions, and adapting on the fly to help our teams and clients get more value from Data & Analytics. I am also big into personal leadership.


What’s your biggest work pet peeve (=irritation)

Being stuck in traffic on my way home.


Who has influenced you the most when it comes to how you approach your work (and why)? 

The POM-podcast. In the podcast many ways-of-working, optimizations and useful tech is discussed.

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Vivienne_website_compressed
  • VIVIËNNE PICKKERS
  • Job title: HR & Finance
  • Relevant Online join date: 01-05-2023
  • FACTS ABOUT ME
  • Favorite food: Thai food and cheese
  • Best concert: Queen B
  • Favorite super power:
    Flying!

What do you do at Relevant Online and in what circumstances would I come to you for something?

I am responsible for office and operations, which means I make sure everyone has everything they need to have a nice work day. But I also help with the operations around projects and clients, make sure that everything runs smoothly.


What energizes you at work?

Making fun of each other when we have lunch or friday afternoon drinks ;)


What’s your biggest work pet peeve?

No fresh air.

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  • PAULA BERNAL
  • Job title: Team Lead Data Engineering
  • Relevant Online join date: 01-03-2021
  • FACTS ABOUT ME
  • Nerdiest thing: Playing Elder Scrolls Online
  • Guilty pleasure: Chocolate
  • Favorite food: Any Indian dish
  • Favorite quote: "Intelligence is the ability to adapt to change."

What do you do at Relevant Online and in what circumstances would I come to you for something?

Full stack web development, when something doesn’t work on the website or it needs to be improved.


What energizes you at work?

The cappuccinos of our amazing coffee machine.


What’s a work-related accomplishment that you’re really proud of

Changing careers to work at something I love.

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Georgios_website_compressed
  • GEORGIOS ROULLIS
  • Job title: Technical Web Analytics
  • Relevant Online join date: 06-09-2021
  • FACTS ABOUT ME
  • Oldest thing in refrigerator: Olives
  • Guilty pleasure: Frozen pizza
  • Movie title about me: The Beach
  • Spirit animal: Dog

What do you do at Relevant Online?

Analyze data to identify insights that give answers to questions and support decision making.


What energizes you at work?

Positive vibes – Smiling faces.


What’s your most-used productivity-hack?  

Take a short walk outside in the middle of the day.

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  • JAMIE ADJODHA
  • Job title: Data Engineer
  • Relevant Online join date: 01-06-2021
  • FACTS ABOUT ME
  • Favorite snack: Bara's
  • Memorized song: Lady hear me tonight
  • Nerdiest hobby: History
  • As a kid I wanted to become: Archeologist

What do you do at Relevant Online?

I implement solutions like server-side tagging and set up dataflows between websites, Google Tag Manager, and cloud platforms. I know a tiny bit of everything, with a primary focus/interest on Cloud and networking.


What’s your most-used productivity hack?

I like to read up on network vulnerabilities and famous hack attempts in-between tasks. (It’s inspiring in a weird way).


Who has influenced you the most when it comes to how you approach your work (and why)? 

My colleagues at Relevant Online: I started working here as an intern and in the span of several months I learned a lot from them and they helped me grow on both a professional and personal level, involving me in different aspects of their projects. 

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  • INÊS ANDRADE
  • Job title: Data Analyst
  • Relevant Online join date: 01-04-2023
  • FACTS ABOUT ME
  • Guilty pleasure:
    Ben & Jerry's Vegan Ice Creams
  • Favorite food:
    Ervilhas com ovos escalfados
  • Best concert:
    Muse

What do you do at Relevant Online?

Web tracking setup, tagging optimization, data preparation, data visualization, and cloud solutions implementation are what I usually do at RO. 


What energizes you at work?

Happy people and a big cup of coffee from our amazing coffee machine!


What’s your most-used productivity hack?

Notion: Write everything that is in my head, organize and focus on each task at a time.

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  • SERGEI ROMANOV
  • Job title: Data Engineer / Data Scientist
  • Relevant Online join date: 01-06-2023
  • FACTS ABOUT ME
  • Nerdiest hobby: Playing chess with myself and never winning
  • Strangest talent: I can light up a campfire with a battery and piece of foil
  • Favorite food:
    Cheese

What do you do at Relevant Online?

I am building Machine Learning (ML) and ETL pipelines, and I can assist you in case any questions about statistics or ML pop up.


What energizes you at work?

New challenges and my supportive team.


Who has influenced you the most when it comes to how you approach your work?

My family, because they gave me an opportunity to learn a lot of things that I do now. 

Meme_Sergei_RelevantOnline
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  • Sofoklis Repopoulos
  • Job title: Technical Web Analytics
  • Relevant Online join date: 04-01-2024
  • FACTS ABOUT ME
  • Nerdiest activity: Coding data projects
  • Superpower that would like to have: Read people's minds
  • Guilty pleasure: Long guitar jam sessions

What do you do at Relevant Online?

Web tracking and tagging solutions using Google Tag Manager and Google Tools aiming to identify insights and meet customer needs. Also have experience and deep knowledge in data science, statistics, mathematics and coding.


What energizes you at work?

Listening to music and eating lots of snacks.


Who has influenced you the most when it comes to how you approach your work (and why)?

My father. He taught me to create value in my projects and never be afraid to showcase my work.

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  • ARSENTY RUTSINSKIY
  • Job title: Data Scientist
  • Relevant Online join date: 07-04-2025
  • FACTS ABOUT ME
  • Nerdiest hobby: Playing chess
  • What did you want to become as a kid: Pilot
  • Desired superpower: Teleportation
  • Only one more trip allowed: Antarctica

What do you do at Relevant Online?

If you have any kind of data, feel free to bring it my way—I’ll do my best to uncover meaningful insights. Whether it’s building data pipelines, applying machine learning algorithms, or preprocessing raw data, that’s where you’ll usually find me in action.


Who has influenced you the most when it comes to how you approach your work (and why)?

Definitely my family – they’ve always led by example, showing me the value of hard work, perseverance, and staying grounded in everything I do.


What’s your favorite quote?

“If you’re frustrated, you just have to get stronger!”

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  • LEVI TAS
  • Job title: Data Engineer
  • Relevant Online join date: 29-01-2024
  • FACTS ABOUT ME
  • Go-to karaoke song:
    Gangnam Style
  • Favourite food:
    Schnitzels
  • Really bad at:
    Going early to bed

What do you do at Relevant Online?

I am currently an intern here at Relevant Online. While I am here I will be working on a Proof of Concept for a Dataflow project. So I will mostly be working with Terraform, CI/CD pipelines, pub-sub, etcetera. 


What energizes you at work?

When I finally find a solution for a problem that I have been stuck on for a while. That gives me a big motivational boost.


What’s your biggest work pet peeve (=irritation)?

People who complain about other people that are not working while they are not doing anything themselves either.

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Dimitris
  • DIMITRIS MARKANTONATOS
  • Job title: Data Engineer
  • Relevant Online join date: 15-07-2024
  • FACTS ABOUT ME
  • Nerdiest hobby: Playing DnD
  • Desired superpower:
    Flying
  • Favorite karaoke song:
    In the end - Linkin Park

What do you do at Relevant Online and in what circumstances would I come to you for something?

I am Data Engineer who works on setting up ETL pipelines to provide insights on web tracking data utilizing primarily BigQuery and other GCP services. I mainly use Python and SQL in my everyday coding and Terraform to set up all the resources that I need. I have a broad knowledge on computer science in general, so if you have a question related to it, I may have an idea about it!


What energizes you at work?

I enjoy coding a lot! So a day full of coding is a day that I will be fully energized to tackle any challenge that may come up.

meme D.M.
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  • Martín Ameyugo
  • Job title: Technical Web Analytics
  • Relevant Online join date: 21-05-2024
  • FACTS ABOUT ME
  • Go-to karaoke song: Don't go breaking my heart - Elton John
  • What I wanted to be: A Biologist
  • Desired superpower: Read people's minds

What do you do at Relevant Online?

For the moment I am intern in this company. I will be working mostly with both Google Analytics and Google Tag Manager, tracking and tagging websites and solving any problem it could be.


What energizes you at work?

Nice co-workers that make days pass fast by sharing some laughs and good times.


Who has influenced you the most when it comes to how you approach your work?

As cliché as it might sound it is my parents. Their approach to work has always been to perform 200% without fogetting being kind and nice to others. Do what you are responsible of and treat everyone kindly. 

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K.T. website
  • KEREM TEKIN
  • Job title: Software Engineering
  • Relevant Online join date: 26-08-2024
  • FACTS ABOUT ME
  • Desired superpower: Mindreading
  • Most used emoji: Donkey 🫏🫏
  • Favorite quote: "Procrastination is the assassination of all destination"

What do you do at Relevant Online and in what circumstances would I come to you for something?

At Relevant Online, I’m an intern working on various projects and gaining experience in software development. You would come to me if you have any non-technical questions or need assistance with general inquiries. I’m also available for regular check-ins to discuss my progress and receive feedback on my development.


What energizes you at work?

Working with others in a supportive and dynamic team environment keeps me motivated.


What’s your biggest work pet peeve?

Unclear communication. When instructions or feedback are vague, it can lead to confusion, mistakes, and wasted time. I prefer when expectations are clearly laid out, so everyone is on the same page and can move forward efficiently.

meme TK
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D.G. website
  • DAVID VAN GRONINGEN
  • Job title: Front-end Developer
  • Relevant Online join date: 16-09-2024
  • FACTS ABOUT ME
  • Most used emoji: 👍🏼
  • What did you want to become as a kid: Pilot
  • Desired superpower: Invisibility

What do you do at Relevant Online?

I am a front-end developer.


What energizes you at work?

Jokes, fun and food.


What’s the worst job you’ve ever had, and what did you learn from it?

Working in a supermarket. I learned to be kind to customers.

D.G. meme
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  • YASSIR OUALD HADJ
  • Job title: Software Developer
  • Relevant Online join date: 10-02-2025
  • FACTS ABOUT ME
  • Desired superpower: Time travel
  • Most used emoji: 🦈 shark emoji
  • Weirdest food ever eaten: A slug

What do you do at Relevant Online and in what circumstances would I come to you for something?

I’m training to be a Data Engineer so at the moment I’m mainly learning. You can come to me for a talk about history, mma, kickboxing and anything IT related.


What energizes you at work?

The chill co-workers.


What’s your most-used productivity hack?

Listen to music, go for a walk and get a cold drink.

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  • ZICO BÄCKER
  • Job title: Software Developer
  • Relevant Online join date: 10-02-2025
  • FACTS ABOUT ME
  • Desired superpower: perfect self-improvement.
  • Favorite food: Spaghetti
  • What did you want to become as a kid: Scientist

What do you do at Relevant Online?

I am an intern in the analyst team! Although I mostly work on backend within Relevant Online, I am working with clients once a week.


What energizes you at work?

What really energizes me is when I figure out a solution and get ready to implement it.


What’s your most-used productivity hack?

To not think too seriously about it. The calmer and relaxed one is, the better they focus.

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