About us

About us

We are Thirty-Three. A recruitment agency with a specialised network of commercial professionals in marketing, sales, project & account services. We work primarily for clients in the creative sector and for creative brands.

Thirty-Three has its roots in recruitment within the creative media industry. Through our experience in recruiting within this dynamic niche, we understand better than anyone that the combination of expertise, personality, and cultural fit leads to unlocking maximum potential. Selecting the right DNA has become our specialty. In this way, we help professionals and companies accelerate further.

We look beyond the curriculum vitae. Goal orientation. Creativity. Ambition. Finding, selecting, and placing top talent with these qualities is our mission. Through our efficient approach, we find this talent within our network and beyond. We thrive on cross-sector placements, contributing to inclusivity & diversity, and breaking barriers.

Thirty-Three is based in Amsterdam-Zuid and, together with The Music Recruiters, is part of Thirty-Three Group B.V. The consultants of Thirty-Three Group together have more than 15 years of experience in the creative sector. Clients such as Ziggo Dome, Spinnin’ Records, and MassiveMusic trust our approach.


Our team

Pieter Wolter

Founder | Consultant

Pieter is the founder and consultant at Thirty-Three and Thirty-Three Group. He has over >12 years of experience in the creative sector as an entrepreneur, business developer, and marketer. Pieter is always busy with music, and outside of work you are likely to find him in a record store, or with a guitar in his hands.

Chelsea Hofland

Content & Community Manager

Chelsea is the Content & Community Manager at Thirty-Three. She is also active for brands such as 3FM and ESNS. In her free time, she runs her own playlisting company, Streaming Queen.

Rajko Acimovic


Rajko is Consultant at Thirty-Three. In addition to Thirty-three, Rajko runs his own event agency through which he organizes dance parties in the Randstad.


Happiness Manager | Part-time Security