About us

Ypsylon HR Group is a national HR consultancy firm and was founded in 2001 by Mr R.A. Charmes. Ypsylon HR Group has experienced stable growth in recent years. There are currently branches in Groningen, Amstelveen and Den Bosch. This means we have a local presence in the regions of Northern Netherlands, Randstad and Southern Netherlands

Ypsylon HR Group consists of a team of professionals representing various areas of expertise, such as Recruitment & Interim, Assessment & Development, Human Resource Management, Psychology, Diversity & Inclusion.

The quality of our services is our greatest asset and we act and work according to the guidelines and codes of conduct of the NIP, RIM, NVP and Noloc.

We believe that people make the difference within an organization. That is why we work with a concept that establishes a link between the development of an organization and the balance with its employees. Hereby there is sincere attention to HRM issues, the wishes and ambitions of the organization are paramount. Equality, entering into lasting relationships, working with pleasure and utilizing the potential of employees are central to this.

The core values ​​of Ypsylon HR Group:

  • Knowledgeable
  • Concerned
  • Integrity
  • Transparent
Oprichter: R.A. Charmes
Founder: R.A. Charmes



Ypsylon founded by Mr. R.A. Charmes in Drachten


Collaboration with business partners and hired our first employees


Office relocation from Drachten to Assen


Further specialization in career development and organizational development


Son (Daniel Charmes) joined and set up recruitment expertise


New Ypsylon corporate identity and website launched as a full service HR Consultancy


Opening office in Amstelveen


Professionalization and digitisation of the family business


Foundation of subsidiary Ypsylon Interim Management B.V.


Michael van den Berg joins as Managing Partner. As an A&O psychologist and specialist in the field of Diversity & Inclusion, he brings a lot of knowledge and skills and sets up the Development expertise.


May 1, 2021, we celebrate our 20th anniversary.
October 1, 2021 relocation of Assen office to Groningen.


R.A. Charmes transfers the company to his son (Daniel Charmes). The MT now consists of Daniel Charmes and Michael van den Berg

Our Team

With a passion for their field

  • Daniël Charmes

    Managing Partner Recruitment & Interim / Executive Search Consultant

  • Nathalie Kloos

    Consultant Recruitment & Interim / Toegepast Psycholoog i.o.

  • Michael van den Berg

    Managing Partner Development / Senior Organisatiepsycholoog NIP

  • Are you coming to work with us?

    Consultant Recruitment & Interim

  • Romeo Charmes

    Oprichter / Management Consultant

  • Edith van Dam

    Business Partner Development / Senior Organisatiepsycholoog NIP

  • Frans van de Ven

    Business Partner Recruitment / Executive Search Consultant

  • Will you join us?

    Business Partner Recruitment & Interim

  • Annelies Nijdam

    Freelance Organisatiepsycholoog NIP