Back to Stakeholders
Categories

3 domains / 7 areas / 4 specializations

Care Delivery & Psychedelic Facilitation
Care Delivery & Psychedelic Facilitation
Practitioner-Led Care OrganizationsFacilitation Provider Organizations
Community & Cultural Stakeholders
Community & Cultural Stakeholders
Community Networks & OutreachLocal Community Collectives & Meetups
Harm Reduction & Crisis SupportHarm Reduction Services & Initiatives
Media, Education & Engagement
Educational Platforms & ResourcesOnline Resources
Media, Education & Engagement

Door of Perception

Data updated

Netherlands

Door of Perception is the practice of Dorien, a Netherlands-based psychedelic guide, coach, and medical anthropologist who co-founded the OPEN Foundation in 2007 and brings over 20 years of experience in harm reduction at festivals such as Kosmicare, Zendo, and Psycare. She offers online courses for safe DIY psychedelic journeys, one-on-one psilocybin truffle sessions in Amsterdam, and training workshops for guides and mental health professionals.

ProfessionalHybridPremiumFacilitation trainingHarm reductionContinuing educationCoachingOtherCurious publicAspiring practitionersLicensed cliniciansFacilitatorsOther

Blossom’s read

Door of Perception looks like a seasoned, independent psychedelic guide rather than a formal school. Its strongest suit is practical, safety-first preparation for people seeking legal psilocybin truffle work in Amsterdam, plus consultative support for newer guides and curious public users. The lineage is credible in the Dutch field, with Dorien Tatalas citing long involvement with OPEN Foundation, festival harm reduction, and work alongside ADEPT, but this is still a practitioner-led offering rather than an accredited academic programme.

Who Door of Perception is for

Best for people wanting a carefully held legal truffle session in Amsterdam, or self-directed explorers who want a structured online toolkit for responsible use. It also suits beginning guides and allied professionals who want supervision-style consultation rather than a formal certification.

Prerequisites

For masterclasses, Dorien says attendees should already have some experience guiding psychedelic journeys and ideally around twenty personal psychedelic experiences plus at least three years of serious interest and study. For one-to-one sessions, the site indicates screening and an introductory call, but no formal licence or profession is stated as required.

Accreditation & recognition

No formal external accreditation, CME/CE credit, or university certification is stated on the sources reviewed. Dorien does state membership of the Guild of Guides in the Netherlands and adherence to its Code of Conduct, and she says she occasionally works as an experiential facilitator with ADEPT, a two-year training programme for therapists learning to work with psychedelics.

Cost

Pricing was not visible in the sources reviewed. The site frames the service as bespoke and preparatory, with 1-on-1 truffle work in Amsterdam including screening and a minimum of three meetings, plus an online toolkit and separate consultations for guides and professionals.

What you walk away with

Learners or clients should walk away with practical preparation, safety, and integration skills for psychedelic journeys, plus clearer intention-setting and a grounded understanding of what the work can and cannot offer. For beginning guides, the implied outcome is more confidence, ethical awareness, and practical guidance for starting a responsible practice, but no formal credential is advertised.

Practitioner-Led Care Snapshot

Organization Model

Not set

Organization Status

Not set

Psychedelic Services

Active Psychedelic-Related Offering

Service Coverage

Coverage not set

Care Profile

Care Modalities

Preparation & Integration Sessions
Visit Provider

Sources

Official website

https://en.psychedeliccoach.nl/

Community Networks & Outreach Snapshot

Local Community Collectives & Meetups

Organization Model

Local Collective / Meetup Network

Organization Status

Unknown

Psychedelic Focus

Psychedelic-Adjacent Focus

Last Verified

Apr 16, 2026

Engagement Channels

Resource Directory

Audience Focus

General Public

Community Notes

Auto-backfilled baseline profile for an existing stakeholder tagged in Community Networks & Outreach.

Verification

Unverified

Jurisdiction

Global

Coverage

Global

Verification Notes

Baseline profile auto-backfilled because stakeholder is tagged in Community Networks & Outreach.

Primary Community Link

Sources

Official website

https://en.psychedeliccoach.nl/

Similar course providers

Reference points selected from shared training modalities, learner audience, level, delivery format, pricing, and location.

Experiential Training Institute
  • Strong match: 2 shared modalities
  • Strong match: 4 shared learner audiences
  • Also shares: professional level
  • Also shares: hybrid delivery
InwardBound
  • Strong match: 4 shared modalities
  • Strong match: 4 shared learner audiences
  • Also shares: professional level
  • Also shares: hybrid delivery
Synthesis
  • Strong match: 3 shared modalities
  • Strong match: 5 shared learner audiences
  • Also shares: professional level
  • Also shares: hybrid delivery
Drug Science
  • Strong match: 3 shared modalities
  • Strong match: 4 shared learner audiences
  • Also shares: professional level
  • Also shares: hybrid delivery

Quick Facts

Type
Other
HQ
Netherlands
Website
Visit