Our Team

Onemed Medical Centre

Meet our clinical and wellbeing team

Experienced professionals working together to provide thoughtful, personalised care for mental health, sleep and overall wellbeing.

Dr Nik Gkampranis

Dr Nik Gkampranis

Consultant Psychiatrist & Sleep Specialist, A.M.R.C.Psych

  • General Psychiatry
  • Sleep Disorders
  • rTMS

Dr Gkampranis is a Consultant Psychiatrist and NHS lead Sleep Specialist, formerly an NHS Liaison Psychiatrist. He has extensive experience across the full spectrum of mental health conditions, using psychological, biological and social approaches in his practice.

He treats a range of mental health disorders including depression, anxiety, bipolar disorder, OCD, PTSD, schizophrenia, psychosis, adult ADHD and autism, and supports stress, relationship issues, chronic fatigue and pain.

As a specialist in rTMS, he manages all forms of depression, including treatment-resistant or medication-intolerant cases, supports perinatal and postnatal depression, and as a Sleep Specialist addresses insomnia, sleep apnoea, nightmares, REM disturbances, oversleeping and unrefreshing sleep with personalised, evidence-based care.

Dr Simona Dichter

Dr Simona Dichter

Consultant Psychiatrist, A.R.C.Psych

  • Adult Psychiatry
  • General Psychiatry

Dr Simona Dichter is a Consultant Psychiatrist specialising in Adult Psychiatry and General Psychiatry. She currently works within the NHS Community Mental Health Team in East Sussex and has experience across a wide range of NHS and private settings. Dr Dichter has supported many patients with complex and serious mental health difficulties, often alongside comorbid physical health issues.

Seeing individuals reach meaningful turning points in their recovery has strengthened her commitment to promoting awareness, early intervention and high-quality care for people with psychiatric conditions and neurodiversity. Privately and within the NHS, Dr Dichter focuses on the assessment and treatment of depression, anxiety disorders, trauma-related conditions, OCD, sleep disorders, obsessions and neurodiverse presentations.

She takes an evidence-based but highly personalised approach, integrating psychological understanding with medical expertise to develop clear, effective care plans. She is particularly passionate about helping individuals build resilience, regain confidence and move toward a more stable, fulfilling quality of life.

Professor Naji Tabet

Professor Naji Tabet

MSc (Immunology), MSc (Psych), MD (Lon), FRCPsych

  • Dementia
  • Old Age Psychiatry
  • Brain Health

Professor Naji Tabet is a leading dementia and old age psychiatry consultant with over 23 years’ experience and around 120 publications. He has treated thousands of patients with Alzheimer’s disease, vascular dementia, Lewy body dementia, Parkinson’s disease dementia and frontotemporal dementia, and is highly experienced in nuclear medicine imaging, emerging diagnostic tools and monoclonal anti-amyloid therapies.

He also creates personalised lifestyle programmes to support brain health and reduce dementia risk. He advises on managing behavioural and psychological symptoms to improve quality of life for patients and caregivers. Professor Tabet will also consider rTMS treatment for suitable patients.

Dr Mike Harris

Dr Mike Harris

Consultant Psychiatrist & Perinatal Mental Health, M.R.C.Psych

  • Adult Psychiatry
  • Perinatal Psychiatry

Dr Harris completed core psychiatry training in London through the UCL scheme. Highlights include placements at the Islington Specialist Alcohol Treatment Service and Camden & Islington Psychodynamic Psychotherapy Service. During higher training, Dr Harris was awarded an MSc in Psychiatric Research from UCL and a Postgraduate Certificate in Medical Education from the University of Brighton.

Dr Harris then worked as a consultant psychiatrist at Millview Hospital in Hove, managing a rolling caseload of 20 in-patients and providing supervision to junior medical staff.

Dr Harris currently works as a perinatal psychiatrist for Sussex Partnership NHS Foundation Trust, treating pregnant and postnatal mothers in North West Sussex. Dr Harris also has a strong interest in rTMS, a reliable treatment for depression and anxiety, complementing traditional medication and psychological therapy.

Dr Jennifer Cooke

Dr Jennifer Cooke

Consultant Psychiatrist & Perinatal Mental Health, M.R.C.Psych

  • Perinatal Mental Health
  • Menopause
  • Women’s Mental Health

Dr Jenny Cooke is an NHS consultant psychiatrist who has specialised in women’s mental health for nearly a decade. After qualifying in 2000 and completing psychiatric training in Sussex and London, she has worked in Brighton and Sussex since 2012, including as consultant on a specialist female mental health unit.

She founded Sussex’s first NHS perinatal mental health clinic in 2011 and now is the clinical lead for the Sussex and East Surrey Specialist Perinatal Mental Health Service. Dr Cooke provides personalised, holistic care for conditions such as anxiety, depression, OCD, PTSD, bipolar disorder and postpartum psychosis, offers expert guidance on medication in pregnancy and breastfeeding, and works closely with maternity and therapy professionals to deliver tailored treatment plans.

Dr Evashni Chetty

Dr Evashni Chetty

General Practitioner, MBChB MRCGP DFSRH DFFLM

  • Sexual Health
  • Sleep Medicine
  • Mental Health

Dr Chetty is a director at Onemed and provides specialist guidance to our professionals, drawing on her expertise and strong interest in mental health.

She qualified as a doctor in South Africa in 2001 and completed her GP training in East Sussex in 2008, becoming a member of the Royal College of General Practitioners. She also holds Diplomas in Sexual and Reproductive Health and in Forensic and Legal Medicine.

From 2008 to 2018, Dr Chetty was a partner in a busy NHS practice, gaining extensive experience across primary care. She now works in both private and NHS settings, offering a wide range of diagnostic tests and investigations, and referring to consultant colleagues when needed. Professional, experienced and committed to high-quality care, Dr Chetty is dedicated to clinical excellence and to treating all patients with dignity and respect.

Dr Jack Hollingdale

Dr Jack Hollingdale

Highly Specialised Clinical Psychologist

  • Autism
  • ADHD
  • Neurodevelopment

Dr Jack Hollingdale is a Highly Specialised Clinical Psychologist who previously worked in the Service for Complex Autism & Associated Neurodevelopmental Disorders team at the Michael Rutter Centre, Maudsley Hospital. He gained his Doctorate in Clinical Psychology from University College London.

He has extensive experience with the diagnostic assessment of Autism Spectrum Disorder (ASD), Attention Deficit Hyperactivity Disorder (ADHD) and other co-occurring neurodevelopmental conditions and mental health difficulties. He has experience working clinically with children, adults and families experiencing both neurodevelopmental and mental health conditions. He has published a number of academic articles related to these conditions.

Dr Vikki Kelly

Dr Vikki Kelly

Clinical Psychologist

  • Adult Mental Health
  • Child & Adolescent
  • Paediatrics

Dr Kelly is a Clinical Psychologist working in private practice. She has previously worked for various NHS Trusts in London, Surrey and Kent (CAMHS), in community and inpatient adult mental health teams, at the Priory Hospital as lead psychologist for their Adult Asperger Unit treating those with comorbid mental health issues, and at Beacon House, a specialist therapeutic services and trauma team.

She has extensive experience working with children and families in medical settings, having worked at the Evelina Children’s Hospital at Guy’s and St Thomas’ NHS Trust in London for over 10 years. Here she was the clinical lead for trauma, responsible for developing and running a trauma-focused service.

Previously held posts include research roles at the Institute of Psychiatry and King’s Centre for Military Health Research. She also has close links with the Salomons Clinical Psychology Doctoral Course at Canterbury Christ Church University.

Therapy & wellbeing

Khody Damestani

Khody Damestani

Psychotherapist & EMDR Practitioner

  • Psychotherapy
  • EMDR
  • Health Coaching
  • Hypnotherapy

Khody Damestani is an experienced Psychotherapist and EMDR Practitioner based in Hove, offering specialised support for trauma, anxiety, depression, stress-related conditions and low self-esteem. He works integratively, combining CBT, EMDR, Compassion-Focused Therapy and other evidence-based psychological approaches to help patients understand the root of their difficulties and make sustainable emotional and behavioural changes.

Khody provides both in-person and online therapy, supporting adults who want structured, effective treatment delivered in a warm, grounded and collaborative way. With a strong academic background and experience lecturing, Khody brings clinical expertise together with an accessible, person-centred therapeutic style.

He has contributed to national wellbeing initiatives and digital mental-health programmes, expanding access to high-quality psychological care. Khody is particularly skilled in working with trauma, relationship difficulties, chronic stress and mood disorders, helping patients build resilience, confidence and clarity. His goal is to create a safe, non-judgemental space where every individual feels understood and supported throughout their recovery journey.

Terina Aitken

Terina Aitken

Life Coach

  • Life Coaching
  • NLP Practitioner

Terina is a certified Life Coach and NLP (Neuro-Linguistic Programming) Practitioner, accredited since 2021. With over 20 years of experience working within a pharmacy setting, she brings a deep understanding of people, wellbeing and personal growth to her coaching practice.

As a member of both the Association for Coaching and the Association for NLP, Terina is committed to maintaining the highest professional standards.

Terina adopts a calm, steady and focused approach to coaching, fostering a supportive environment in which clients can explore their aspirations and realise their potential. She recognises that success is a highly individual experience, shaped by each person’s unique circumstances and values.

Venetia Davidson

Venetia Davidson

Integrative Yoga Therapist

  • Yoga
  • Therapy
  • Trauma-informed Care

Venetia is an integrative yoga therapist working in the field of holistic wellbeing. She originally trained as a yoga teacher before continuing her studies to become a yoga therapist. Recognising that yoga is fundamentally a psychological practice, her work has naturally evolved toward psychotherapy, in which she is currently training.

She supports clients through a wide range of life situations, combining talk therapy with ‘bottom-up’ approaches such as mindfulness, breathwork, posture, movement and other techniques. Her aim is to address the whole person in their biopsychosocial and spiritual aspects.

Venetia is deeply trauma-informed and has specific training in supporting individuals with stress, anxiety, depression, chronic health conditions, cancer and major life transitions. She is a member of the NCIP and CNHC.

Suchila Pang

Suchila Pang

Massage Therapist & Cupping Practitioner

  • Thai Massage
  • Deep Tissue
  • Myofascial Release

Suchila Pang was born and raised in Thailand, where the tradition of Thai massage is often passed down through generations.

Suchila is a highly skilled Massage Therapist with extensive experience in therapeutic bodywork, stress relief and holistic wellness. Trained in a range of techniques including Thai and deep-tissue massage, Swedish massage, myofascial release and targeted trigger-point therapy, she tailors each treatment to the individual’s physical needs and health goals.

Her calm and intuitive approach helps patients ease muscle tension, reduce pain, improve mobility and restore balance—whether managing chronic conditions, recovering from injury or seeking regular wellbeing support.

She believes that holistic therapy can make a meaningful difference in people’s lives—helping them to reconnect with their bodies, calm their minds and restore balance.

Andrea Penfold

Andrea Penfold

Culinary Medicine Chef

  • Culinary Medicine
  • Nutrition
  • Family Wellbeing

Andrea qualified in medicinal cookery with Dale Pinnock and supports clients in improving their health and wellbeing through nutrition. Her approach combines evidence-based nutritional principles with practical cooking strategies to promote sustainable lifestyle changes.

Her cooking style has been influenced by extensive international travel during her time working with British Airways, where she developed an appreciation for a wide range of cuisines and flavours. She integrates this experience into her work, creating balanced meals that are both nutritious and enjoyable.

As a parent, Andrea understands the challenges of maintaining healthy eating habits within a busy family environment. She focuses on delivering realistic, time-efficient approaches to nutrition, helping individuals and families adopt healthier routines without restrictive practices.

Not sure who is right for you?

Our team can help you identify the most appropriate clinician or service for your needs.

Contact Onemed