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The full Diamond Rehab team, Hua Hin
Meet the team

The Diamond Rehab Thailand team

Meet the world-class professionals behind your care, where dedication meets diversity. Our multidisciplinary team brings decades of collective experience across CBT, DBT, trauma counseling, dual-diagnosis treatment and specialist care for depression, anxiety and burnout.

A heart-forward team on a mission

Expertise, experience & genuine care

Each team member’s work is grounded in the will to help. Filter by discipline to find the specialist relevant to your care.

Theo & Panwadee de Vries

Theo & Panwadee de Vries

Founders

More than twelve years running Thai rehab centers, supporting over 2,000 clients on their path to recovery.

Sergio Pereira

Sergio Pereira

Director

Executive responsibility for governance, staff leadership, ethical integrity of admissions and organizational excellence.

Augustine D’Ewes

Augustine D’Ewes

Clinical Supervisor / Psychologist

Over four decades as clinician, supervisor and mentor, with an MA in Clinical Psychology and deep clinical wisdom.

Jiraporn Takonchai

Jiraporn Takonchai

General Manager

Seven years in addiction services, keeping the rehab running seamlessly, from housekeeping to admission schedules.

Dr. Roshan Fernando

Dr. Roshan Fernando

Consultant Psychiatrist

MBBS, MDPsych with over 10 years in clinical, biological psychiatry and psychiatric epidemiology.

Wei Ling

Wei Ling

Psychotherapist / Counselling Psychologist

15+ years across clinical mental health, addiction and wellness. Advanced EMDR practitioner and family therapist.

Eugene Pretorius

Eugene Pretorius

Addiction Counsellor

Counseling as a vocation. Eight years in recovery himself, pursuing specialist ICDAC qualifications since 2020.

Brian Tucker

Brian Tucker

Addiction Counsellor

ICDAC-qualified counselor from South Africa with 14+ years of sustained recovery and a decade in the field.

James Donovan

James Donovan

Addiction Counsellor

11 years in personal recovery and 9 in the profession, with a passion for supporting substance-use disorders.

Thipada Sritongkom

Thipada Sritongkom

Nurse

22+ years of nursing, the last 8 focused on mental health, with a lifelong mission to promote wellbeing.

Ponsuppat Udom

Ponsuppat Udom

Nurse

13+ years across emergency, geriatric and rehabilitation settings, compassionate and devoted to her clients.

Bongkotkarn Sirijunchuen

Bongkotkarn Sirijunchuen

Nurse

Over a decade specializing in addiction care, supporting recovery at centers across Thailand.

Kittikawin “Kwin” Rachawong

Kittikawin “Kwin” Rachawong

Head Chef

A decade in professional European kitchens, crafting refined Thai and European cuisine from premium ingredients.

Irene Grace Maghopoy

Irene Grace Maghopoy

Support Worker / Admissions

Psychology graduate and licensed psychometrician pairing empathy with evidence-based care.

Supanni Sanli

Supanni Sanli

Support Worker

A lifelong passion for service and hospitality, here to help clients every step of the way.

Anuluck “An” Pingyod

Anuluck “An” Pingyod

Support Worker

Anuluck Pingyod is a compassionate and dedicated professional currently working as an Addiction Support Worker, where he devotes his time and energy to helping individuals improve their quality of life and overcome personal challenges. With a strong service mind and a kind heart, he believes that every person deserves understanding, encouragement, and the opportunity to […]

Saran Badod

Saran Badod

Admin / Support Worker

Manages internal operations and supports clients through treatment with comprehensive, joyful care.

Ananyalak Sonin

Ananyalak Sonin

Yoga Teacher

A decade of holistic wellness experience and a 500-hour yoga certification from India.

Harshi Dhingra, MD

Harshi Dhingra, MD

Medical Writer · Doctor of Medicine

MBBS and MD in Pathology, with a decade of diagnostic, clinical, research and teaching experience.

Vladimira Ivanova

Vladimira Ivanova

Medical Writer · Psychologist

Practices systemic individual, family and marital psychotherapy, raising awareness of addiction and recovery.

Dr. Asif Baliyan

Dr. Asif Baliyan

Medical Writer

Associate Consultant in Histopathology & Cytopathology with expertise in oncopathology and AI pathology.

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