PEP groepsfoto

Health care professionals



Practise holders

  • Mr. Hans Janssen, MSc

    Health Care Psychologist (BIG 39049862925 – non practising),
    first-line psychologist.
    Memberships: NIP, LVVP, VCGP.

  • Ms. Harmanna Olsder, MSc

    Psychotherapist (BIG 39025830216), Clinical Psychologist (non-practising)
    Memberships: NIP, LVVP, NVP, VCGP.

* The BIG-register is an open access register off the government, inluding all official qualified practitioners of Professions in the Individual Health Care. This register is accessible by visiting the website All health care professionals working at PEP Psychologen are listed in the BIG-register.