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.
Want to join us?
Sjoerd Mulder
CTO & Founder
Sjoerd Mulder
CTO & Founder
A perfectionist who’s passionate about building things. Once won 1st place in a dance competition.
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.
Sharon Buyvoets
Customization Specialist
Sharon Buyvoets
Customization Specialist
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.
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.
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.
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.
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.
Majd Baladi
Software Engineer
Majd Baladi
Software Engineer
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.
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.
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.
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.
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.
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.
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.
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.
Daryll Williams
Content Marketer
Daryll Williams
Content Marketer
Capetonian with a proclivity for podcasts. Loves Tarantino. Endlessly fascinated by Oxford Comma politics.
Aimee Unwin
People Manager
Aimee Unwin
People Manager
Travel enthusiast who keeps lists literally everywhere. This food-loving festival goer has it all, especially a knack for people.
Agata Horban
Frontend Developer
Agata Horban
Frontend Developer
Enjoys online and offline activities in equal measure. At her best when surrounded by new cultures, good books, and homegrown veggies!