About us

Ypsylon HR Groep is a full-service HR consultancy firm and was founded in 2001 by R.A. Charmes. In recent years, Ypsylon HR Group has experienced stable growth and a location has been opened in Amstelveen to provide even better service to customers in the Randstad.

Ypsylon HR Group consists of a team of professionals in which various areas of expertise are represented, such as business administration, human resource management, psychology, recruitment and commerce.

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 treedt toe als Managing Partner. Hij brengt als A&O psycholoog en specialist op het terrein van Diversiteit & Inclusie veel kennis en kunde mee en richt de expertise Development op.


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


R.A. Charmes draagt het bedrijf over aan zoon (Daniel Charmes). Het MT bestaat nu uit Daniel Charmes en Michael van den Berg

Our Team

With a passion for their field

  • Daniël Charmes

    Managing Partner Recruitment & Interim / Executive Search Consultant

  • Daisy Dam

    Consultant Recruitment & Interim / Organisatiepsycholoog

  • Michael van den Berg

    Managing Partner Development / Senior Organisatiepsycholoog NIP

  • Nathalie Kloos

    Consultant Recruitment & Interim / Toegepast Psycholoog i.o.

  • Romeo Charmes

    Oprichter / Management Consultant

  • Edith van Dam

    Business Partner Development / Senior Organisatiepsycholoog NIP

  • Frans van de Ven

    Business Partner Recruitment / Executive Search Consultant

  • Annelies Nijdam

    Freelance Organisatiepsycholoog NIP