Niki D works as an existential psychotherapist and supervisor in London, with over thirty years of experience in private practice, statutory and voluntary sectors.
As a relationship therapist, Niki works exclusively with GSRD clients (gender, sexual, and relationship diverse). She is a Pink Therapy clinical associate and teaches on the GSRD relationships module. Niki holds supervision groups an in-person GSRD therapy group for therapists and groups for GSRD clients.
Niki has an MA in Existential Psychotherapy and additional training in GSRD therapy and somatic body therapy. She has been a visiting lecturer at Regents University, the Existential Academy, and the University of Milano-Bicocca’s clinical sexology programme.
Niki is a co-director of an in-depth CPD training on open and polyamorous relationship therapy now in its second year. www.rainbowrelationships.co.uk
Her writing includes chapters on:
• Now you see me, now you don’t: addressing bisexual invisibility in relationship therapy. COSRT journal (2017)
• Beyond monogamy – opening up a dyad. Pink Therapy – Relationally Queer (2023)
• Compulsive Sexual Behaviour from an Existential Approach – Avoiding Existential Truths. Routledge International Handbook of Sexual Compulsivity and Clinical Sexology (2025)
• GSRD Group Therapy. Gender Sex and Relationship Diversity Therapy: Theory and Practice – Pink Therapy (2026)