The Brains behind Crobox

Magic happens when passionate people come together. To silos we say no and to challenges we say bring it on. Every brain behind Crobox provides meaning and support to the team vision.
Also want to work in a team with a vision? See our careers.

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Sjoerd Mulder

CTO & Founder

Sjoerd Mulder

CTO & Founder

A perfectionist who’s passionate about building things. Once won 1st place in a dance competition.

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Sjaak Kassies

Chief Product Officer

Sjaak Kassies

Chief Product Officer

Dutchie with a passion for hiking mountains and making music. Creative and nerdy; user experience is his passion.

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Sharon Buyvoets

Customization Specialist

Sharon Buyvoets

Customization Specialist

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Rodger Buyvoets

CEO & Founder

Rodger Buyvoets

CEO & Founder

Big believer in crypto and die-hard documentary fan. Will always wake up for ramen. Dedicated to making all visions reality.

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Patrick Oberstadt

Behavioral Designer

Patrick Oberstadt

Behavioral Designer

Keen eye for design. Keen ear for hip hop. Keen most of the time, really. True love for psychology.

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Oskari Upmeier

Business Development Represenative

Oskari Upmeier

Business Development Represenative

If you’ve never broken a bone or been stung by a bee – count yourself lucky. Like your friendly Fin, who has a genuine love for music.

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Niki Chondrogianni

Customer Success Specialist

Niki Chondrogianni

Customer Success Specialist

Can tell you why Albus Dumbledore is a villain in under 30 mins. Ex-actress and customer-centric creative. Once won a ballet competition.

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Maya Christova

Sr. Customer Success Manager

Maya Christova

Sr. Customer Success Manager

Customer-centric with a penchant for CrossFit and Yoga. Wine and craft beer enthusiast who loves to travel and is powered by people.

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Majd Baladi

Software Engineer

Majd Baladi

Software Engineer

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Leonard Wolters

CDO & Founder

Leonard Wolters

CDO & Founder

Sports-enthusiast with a great love for the outdoors. 25 years of experience in tech. Loves to talk data.

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Krzysztof Kalisz

Senior Frontend Engineer

Krzysztof Kalisz

Senior Frontend Engineer

Gardener turned software developer – loves to work from around the world. True love? Volleyball. True passion? Making tech visions a reality.

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Joris Fonteijn

Head of R&D

Joris Fonteijn

Head of R&D

Bon vivant from Brabant. Social psychologist at heart. Obstacle runner and secret hardstyle-admirer.

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Janelle de Weerd

Chief Growth Officer

Janelle de Weerd

Chief Growth Officer

Nothing beats a good book. Except for maybe cats. Highly impressed by many things, from puns to philosophical thoughts.

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Grzegorz Domanowski

Quality Assurance Analyst

Grzegorz Domanowski

Quality Assurance Analyst

Snow-sports devotee who’s left his professional cheffing days in the past. Adores cozying up to new cultures and their dishes.

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Enrico Sciardi

Visual Designer

Enrico Sciardi

Visual Designer

Designer who likes a little bit of everything, from music genres to sneakers, to working on his own projects. Once had a kangaroo as a pet.

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Elena Fidanovska Teofilovska

Performance Marketer

Elena Fidanovska Teofilovska

Performance Marketer

When she's not splashing acrylic paints or cooking up some of the finest homemade pizzas, this data fiend conquers HIIT with superhero-like determination.

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Elaine Simpson

Head of Customers Ops

Elaine Simpson

Head of Customers Ops

Can go from being creative to strategic in the time it takes to say “dogs”. Passionate about board-games and wine.

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Daryll Williams

Content Marketer

Daryll Williams

Content Marketer

Capetonian with a proclivity for podcasts. Loves Tarantino. Endlessly fascinated by Oxford Comma politics.