Haelsum is a small design studio specialized in helping you with thoughtful brand, print and digital design.

Haelsum is Jantine Zandbergen

About Jantine

Hi there, nice to meet you!
My name is Jantine Zandbergen (she/her) – a multidisciplinary designer and illustrator living and working in Rotterdam, the Netherlands. After gaining experience as a (senior) designer at various creative agencies for over ten years, I started Haelsum to create thoughtful design for people who care.


Branding & Visual identity, Illustration, Art direction, Graphic Design, UI & UX design, Digital design, Ideas & concepts.

Kind words from clients

“Next to having a very pleasant personality to work with, Jantine is a true professional. She is structured and keeps a good eye on what will practically work for a business and what not.” — Elles Roeleveld, Founder Soft Revolt. ♥ View project “Working with Jantine helped me to shape the identity of my business in a very positive way.” — Eveline Fortuin, Founder Toko Eef.  ♥ View project “Jantine pleasantly surprised me with her very professional and structured approach to the design process. She had a great way of explaining her design choices, and found a way to implement her signature style in a design for a subject that was markedly different from her usual projects.” — Hayo Bethlehem, Online Strategist ♥ View project “Jantine can empathize with her customers very well.” — Kim van Tol, Interior Designer ♥ View project “All-in-all, Jantine is a good professional, she has a unique combination of creativity, structure and leadership to manage a project in an effortless co-production.” — Mijke Eggink, CEO Neo-Mundo ♥ View project

Photo by Milenka Backx


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