Founder profile · RSI™ London

B. Rumeysa
Demirörs, MSc

Psychologist · Trauma & Attachment-Focused Psychotherapist · Researcher · Founder of RSI™

Her work brings attachment, developmental trauma, nervous-system regulation, somatic experience and relational safety into one clinically coherent frame.

B. Rumeysa Demirörs, MSc
Clinical philosophy

A professional stance shaped by listening, relationship and ethical clarity.

For me, psychology is less a field of techniques, diagnoses or memorised phrases than a threshold at which a person may truly come into contact with themselves. My professional stance has therefore grown from a place that does not rush: a place able to wait, listen and hold what is present without forcing it into a predetermined answer.

I understand a person through the wholeness of their life story, relational experience and embodied existence—not only through symptoms or diagnostic categories. Methods matter, yet their meaning emerges through the quality, safety and ethical boundaries of the relationship in which they are offered.

Many psychological difficulties can be understood not as personal inadequacies, but as adaptations to developmental conditions, relational experiences and early needs that could not be adequately met. My work therefore prioritises understanding, accompaniment and the creation of a safe ground over blame or correction.

Knowledge has power; knowing where knowledge must stop is part of that power.

Ethics, for me, means more than following professional rules. It means protecting boundaries, remaining aware of competence and being transparent about the scope of every role and service. I define my fields of work clearly and do not imply that a clinical service is available when it is not actively being provided.

I do not present professional knowledge as a single truth that fits everyone. Each person has a distinct story, rhythm and pathway of recovery. My approach respects this individuality and aims to strengthen internal resources, relational safety and the capacity for regulation.

Across academic work, clinical observation and education, my aim has been to make psychological knowledge accessible without reducing it, and to deepen it without making it unnecessarily obscure. In trauma and attachment work, I want human potential to remain as visible as human vulnerability.

My work focuses primarily on developmental trauma, early attachment injuries, regulation difficulties and intergenerational trauma transmission. I integrate attachment-informed, developmental and body-oriented perspectives within clinical work, professional education and supervision.

I continue my professional development in line with UK ethical and CPD expectations. I regard continuing education not as a formal obligation, but as a central responsibility for the safety and quality of the therapeutic relationship. To practise is not to be finished; it is to keep developing a more mature professional stance.

Professional biography

From compassion and emotion regulation to an integrative clinical framework.

Born and raised in Istanbul, Rumeysa Demirörs completed a foreign-language-focused secondary education before receiving a scholarship to study Psychology at the University of Essex. Her undergraduate project examined the impact of compassion on difficulties in emotion regulation—an early foundation for her later work across trauma, attachment, compassion and psychological resilience.

She subsequently studied Criminal Psychology at the University of Portsmouth and worked in the field for one year, focusing on the links between intergenerational family trauma, early attachment patterns and offending behaviour. Her research examined childhood neglect and abuse in juvenile delinquency through the mediating roles of attachment and emotion-regulation difficulties.

To investigate the developmental importance of early childhood more systematically, she completed an MSc in Mental Health in Children and Young People at the University of Edinburgh. Her dissertation explored how early compassionate and protective experiences relate to anxiety, attachment security and psychological resilience.

Her developmental perspective follows emotional and relational patterns from infancy into adulthood, asking how early experience is carried in attachment, nervous-system organisation, the body and later relationships.

She is undertaking advanced study in Clinical Psychoneuroimmunology through the Pruimboom Institute / FISIDEC – University of Córdoba, deepening her work at the intersection of trauma, attachment, stress physiology, immune function, somatic symptoms and mind–body health.

Her clinical thinking has been shaped by interpersonal neurobiology, attachment-informed psychoanalytic thinking, developmental trauma models, self-compassion, somatic and polyvagal perspectives. Important intellectual influences include Daniel J. Siegel, Gabor Maté, Peter A. Levine, Bessel van der Kolk, Kemal Sayar and Doğan Cüceloğlu.

She joined the inaugural clinician pathway in Interpersonal Neurobiology through the Mindsight Institute and completed Somatic Attachment Therapy training as the only Turkish participant in her cohort, studying with faculty including Gabor Maté, Peter A. Levine, Daniel J. Siegel, Gordon Neufeld and Diane Poole Heller.

She continues advanced neuroscience-focused development through the University of Oxford’s NDCN and advanced continuing education in trauma, mood disorders and mind–body medicine through Harvard-affiliated and MGH Institute programmes.

Based in London, she works as a Lead Psychotherapist (Band 8b) and researcher within a private clinical setting, provides supervision to trauma and attachment-focused professionals, and leads clinical formulation, risk-management and professional-development education. In Türkiye, she delivers online trauma and attachment education through the company she founded.

Across approximately a decade of professional experience, she has developed a clinical approach that understands symptoms within attachment, nervous-system regulation, embodied experience and relational history. In 2026, this integration became RSI™ – Relational Somatic Integration.

Research record

Questions that connect development, relationship, regulation and health.

Undergraduate Project

The Impact of Compassion on Difficulties in Emotion Regulation

Criminal Psychology Research

The Impact of Childhood Neglect and Abuse Experiences on Juvenile Delinquent Behavior

The mediating role of attachment patterns and difficulties in emotion regulation.

MSc Dissertation

The Impact of Early Compassionate and Protective Experiences on Anxiety Levels, Attachment Security, and Psychological Resilience

Attachment Studies · Clinical Formulation

Relational Safety and the Good Child Adaptation

A clinical attachment formulation for trauma-informed practice.

3-Year Mind–Body Group Project · Ongoing

Women’s Stress Physiology, Relational Safety and Somatic Awareness

Nervous-system regulation, HPA-axis balance and the body’s capacity for healing.

Clinical Psychoneuroimmunology · In Progress

Attachment Insecurity, Dissociation, and Immune Dysregulation

A clinical psychoneuroimmunological exploration of stress-related somatic vulnerability.

Pre-Doctoral Research · In Progress

Longitudinal Associations Between Childhood Relational Safety, Stress Reactivity, and Clinical Outcomes

ORCID iD0009-0005-7654-0198 ↗
Education & clinical expertise

A deliberately interdisciplinary course of professional development.

Academic education
  • BSc in Psychology — University of Essex
  • PgDip in Criminal Psychology — University of Portsmouth
  • MSc Mental Health in Children and Young People — University of Edinburgh
  • PgDip in Attachment Studies — University of Roehampton
  • Master in Clinical Psychoneuroimmunology — Pruimboom Institute / FISIDEC – University of Córdoba · Ongoing
  • Pre-Doctoral Training in Clinical Neuroscience — University of Oxford · Neuroimaging Focus · Ongoing
Neuroscience & advanced clinical study
  • Mindfulness-Based CBT — University of Oxford
  • Advances in the Treatment of Psychiatric Disorders — Harvard / MGH Institute
  • Advances in Treatment Selection in Major Depressive Disorder — Harvard / MGH Institute
  • Acceptance-Based Behavioral Therapy for GAD — Harvard / MGH Institute
  • Mind–Body Medicine — Benson-Henry Institute · Ongoing
  • Interpersonal Neurobiology — Daniel J. Siegel
  • Attachment and IPNB in Couples Therapy — Daniel J. Siegel
  • Attachment & Personality Patterns Specialist Training — Daniel J. Siegel
  • Compassionate Inquiry — Gabor Maté
  • Certificate Program in Traumatic Stress Studies — Trauma Research Foundation
  • Master Psychopharmacology Program · Assessment-Based, Clinical Focus — Neuroscience Education Institute
Trauma, attachment & somatic approaches
  • Somatic Attachment Therapy — Gabor Maté, Peter A. Levine, Daniel J. Siegel, Gordon Neufeld, Diane Poole Heller, Scott Lyons, Kai Cheng Thom
  • Integrative Somatic Trauma Therapy — Bessel van der Kolk, Gabor Maté, Peter A. Levine, Arielle Schwartz, Pat Ogden, Scott Lyons, Kai Cheng Thom
  • Somatic Developmental Trauma Therapy — Arielle Schwartz, Scott Lyons, Kai Cheng Thom
  • Inner Child & Early Attachment Trauma — Kelly McDaniel, Lindsay C. Gibson
  • Somatic Trauma Healing Certification — Abi Blakeslee
  • Somatic Anxiety Therapy — Peter A. Levine, Arielle Schwartz, Karine Bell, Deb Dana, Scott Lyons, Kai Cheng Thom
  • Somatic CBT — Bryan O. Rojas-Araúz, Ryan Kennedy, Rae Johnson, Scott Lyons, Kai Cheng Thom
  • The Inner Child Healing Diploma — The Complementary Medical Association
  • Attachment-Based Play Therapy — Daniel J. Siegel, Clair Mellenthin, Tammi Van Hollander, Sophia Ansari, Robert Jason Grant
  • Trauma-Focused Play Therapy · Professional Program in Child and Adolescent Treatment — Berkeley
Trauma & psychopathology specialisms
  • Adult Children of Narcissistic Parents — Karyl McBride
  • Certified Clinical Trauma Professional · CCTP & CCTP-II — J. Eric Gentry, Robert Rhoton
  • Certified Child & Adolescent Trauma Professional — Dana Wyss
  • Intensive Trauma Therapist Certification · PTSD & Complex Trauma — Heidi Green
  • Ultimate Trauma Treatment Certification — Arielle Schwartz, Daphne Fatter
  • Youth Mental Health Specialist Certification — Gabor Maté, Daniel J. Siegel, Stephen Porges, Dafna Lender
  • Anger Regulation and Management · Trauma-Informed, Mindfulness-Based — Pavel Somov
  • OCD Treatment Training — Catherine Pittman, Daniel J. Moran, Lisa Coyne, Caleb Lack
  • Attachment Trauma Treatment Specialist — Janina Fisher, Frank Anderson, Karen Doyle Buckwalter, Ellen Biros, Leslie Becker-Phelps
  • Certified Personality Disorder Treatment Provider — Janina Fisher
  • Narcissistic Abuse Treatment Certification — Arielle Schwartz, Sandra L. Brown, Claudia Paradise
  • Certified Shame-Informed Treatment Specialist — Richard C. Schwartz, Patti Ashley
  • Certified Grief-Informed Professional — Tiffani Dilworth
  • Micro Expressions Training — Paul Ekman Group
  • Cue-Centered Therapy for Child and Adolescent Trauma — Stanford University School of Medicine
Clinical skills & regulation approaches
  • Advanced Treatment of Depression and Mood Disorders
  • Dialectical Behavior Therapy
  • Boundaries Specialist Certificate
  • ADHD Clinical Services Provider Certification — Russell Barkley
  • Autism Spectrum Disorder Clinical Specialist Intensive Training
  • The Neurosequential Model — Bruce Perry
  • Developmental Trauma for Professionals — Beacon House UK
  • Somatic & Polyvagal Addictions Treatment
  • Adverse Childhood Experiences — NAPAC
  • EMDR for Complex Trauma — Rebecca Kase, Arielle Schwartz
  • Somatic EMDR Therapy · Ongoing
  • Polyvagal Trauma Therapy · Ongoing
  • Polyvagal-Informed EMDR — Rebecca Kase / Trauma Therapist Institute
Professional affiliations

Selected memberships and professional networks.

Memberships & practitioner networks
  • British Psychological Society
  • American Psychological Association
  • National Counselling and Psychotherapy Society
  • British Association for Psychopharmacology
  • British Neuroscience Association
  • EMDR International Association
  • Somatic Experiencing International · Practitioner Member
  • Association for Child and Adolescent Mental Health
  • Mindsight Institute · Clinician Network
  • Global Association for Interpersonal Neurobiology Studies
  • International Society for the Study of Trauma and Dissociation
  • International Society for Traumatic Stress Studies
  • International Association for Relational Psychoanalysis and Psychotherapy
  • Society for Emotion and Attachment Studies
  • International Attachment Network
  • Trauma Research Foundation
  • Polyvagal Institute
  • Self-Compassion Institute
  • Trauma Therapist Institute
  • Institute of Child Psychology · Professional Network
  • The Embody Lab
Development of RSI™

Holding body, nervous system and relationship at the same time.

Relational Somatic Integration™ emerged from nearly a decade of clinical observation, academic study, professional education and sustained work with trauma and attachment. It gives a coherent language to a recurring clinical question: how can we understand the body, nervous system and relationship without separating them from one another?

RSI™ is being developed across education, clinical formulation, parenting and micro-parenting, inner-child work, trauma education and practitioner development. Its longer-term vision includes structured professional pathways, research and a future integrative mental health centre in London.

The framework remains grounded in ethical scope, transparent claims and continued inquiry. It is intended to grow through careful definition, clinical relevance, research and responsible professional application.

Professional education, research and collaboration enquiriesContact RSI™ London