Meet the team.

With a team of psychiatrists and psychologists ranging in availability and specialty, including Perinatal, Child and Adolescent, Youth, Old Age, Forensic and General Adult (including addiction, autism and ADHD assessments), Call to Mind considers all referrals.

Our clinicians offer bulk-billed and Medicare-supported consults as well as ongoing private care. You can learn more about how the service works here.

Dr Sasha Roytowski - MRCPsych, FRANZCP

Sasha originally trained in South Africa, where she worked as a consultant psychiatrist in a variety of settings.  Since moving to Australia, she has worked with Forensic and community patients, with special interests in Addiction Psychiatry, Perinatal Psychiatry and Refugee Mental Health.

Dr Adnan Younus - FRANZCP, MBBS 

Dr Younus is a psychiatrist with specialist qualifications in general adult psychiatry. Dr Younus provides outpatient assessment and treatment for depressive disorders, bipolar disorders, psychotic disorders, anxiety disorders, adult ADHD, PTSD, OCD and personality disorders. Dr Younus has a particular interest in Youth mental health especially early psychosis intervention and first episode presentation of various psychiatric symptoms/disorders in youth.  He works in the Nepean Blue Mountains Local Health District as a staff specialist and has a strong interest in rural mental health.

Dr Jan-Paul Kwasik - FRANZCP, MBBS, MPM

Jan is a recently qualified psychiatrist with a wealth of experience in a range of contexts gained during his training in Melbourne, remote Queensland and overseas in London and the UK. Jan’s work in Far North Queensland’s Cape York and the Torres Strait Islands has inspired him to work in telepsychiatry to bring more services to populations in need. Since becoming a Fellow of the College of Psychiatrists in 2017, Jan has worked in regional areas of Tasmania and New South Wales, where telehealth assessments were an integral part of his work. Jan has special interests in perinatal mental health, neuropsychiatry, and in transcultural psychiatry particularly Aboriginal and Torres Strait Islander mental health. Jan is passionate about helping patients and families understand their condition and to make informed choices about biological, psychological and social interventions, in order to improve quality of life, as well as symptom reduction.

Dr Marshall Watson - MBBS, FRANZCP

Dr Watson, is an Aboriginal (Noongar) Man and Psychiatrist, he has  subspecialty qualifications in both Child and Adolescent and Forensic Psychiatry. His interest include psychotic disorders, anxiety and mod insiders, loss, grief and trauma and also working with youth who display problematic behaviours.   He takes a  holistic view to mental health matters and social and emotional wellbeing that is comprehensive and patient centred.

Dr Anjith Divakaran 

Dr Anjith Divakaran is a fellow of Royal Australian and New Zealand college of Psychiatrists passionate about patient-centred care. Anjith is an adult psychiatrist with a special interest in anxiety and depressive disorders. He also treats people with a wide range of other problems such as Schizophrenia and bipolar disorder.

Anjith completed his Doctor of medicine (MD) in psychiatry from the National Institute of Mental Health and Neurosciences (NIMHANS), India in 2010 and subsequently worked as assistant professor in India.

He completed his Australian specialist psychiatric training at Northern hospital (Northwestern Mental Health), Melbourne in 2015. Later he worked with Eastern health, Melbourne before setting up private practice in 2017. Anjith is has a strong academic focus as reflected by his published research papers and the Royal college of Psychiatrist’s scientific committee award from 2013.

Dr Ramakrishna Bhavanishankar - MBBS, MRCPsych, FRANZCP

A consultant psychiatrist who has trained in the United Kingdom and Australia. Currently working as a staff specialist for a community mental health team in treatment and recovery. He works closely with GP’s to provide a realistic, quality outcome for his patients. His areas of interest include early intervention, mood disorders, psychosis and PTSD and he is an assessor for permanent impairment of work capacity. Fluently speaks English and Kannada.

Dr Mei Siew - FRANZCP

Dr Mei Siew has worked as an Adult Psychiatrist in the public mental health system  in NZ  and Australia for 16 years. She has extensive experience in managing adults and young adults with Mood and Anxiety Disorders, Anxiety Disorders, Eating Disorders and those with complex presentations.

She is a Senior Lecturer with the University of Queensland and is actively involved in teaching and supervision of medical students , junior doctors and registrars.

Dr Bianca Djurdjevic - FRANZCP (Cert. Child and Adolescent Psychiatry)

Dr. Bianca Djurdjevic completed her psychiatric training in December 2017 and has sub-specialty training in Child and Adolescent Psychiatry. The bulk of her training was with South Australia’s Rural and Remote Mental Health Services, where video conference assessments are an integral part of service provision and thus became a very familiar way to practice. She has special interests in youth and perinatal mental health. She enjoys working with people and their families to build a shared understanding of the nature of their difficulties and the components that will contribute to improving their wellbeing and quality of life.

Dr Rachel Crowder - FRANZCP, MBBS

Dr Rachel Crowder is a Consultant Psychiatrist with 12 years experience in General and Older Adult Psychiatry. She has recently started an online Sports Psychiatry clinic (Ministry of Sports Performance and Mind Management) and accepts referrals from different sports throughout Australia and New Zealand, including online referrals to support medical practitioners who need support due to personal or professional reasons.

Dr Priyangika Halangoda - MBBS, DCH, FRANZCP

Dr Priyangika Halangoda is a general adult psychiatrist having trained in psychiatry in Australia. She is Fellow of Royal Australian and New Zealand College of Psychiatrists. She qualified as a doctor in 2000 and has more than 7 years clinical experience in psychiatry. Her areas of interests are mood disorders, anxiety disorders, psychotic illnesses and personality disorders. She has a special interest in working with older persons with mental health conditions. Dr Halangoda previously worked as a staff specialist at the Mood Academic Clinical Unit for Metro South Mental Health Services and is now working in private practice.


Ben is an experienced psychiatrist in both public and private mental health settings, and is a member of the Rural Doctors Association of Australia. With a solo private practice in Melbourne’s western suburbs, Ben found access to quality mental health care a major issue even in the inner city. This prompted Ben to start Call to Mind with colleague Dave Carmody. Ben is a general psychiatrist addressing any mental health problem with a genuine and open-minded approach. He has particular interest in youth mental health but sees patients across their life span.

Dr Jolyon Grimwade - PhD, BA (Hons), Dip Ed, MA

Jolyon has over 35 years’ experience as a practitioner and academic in clinical psychology with children of all ages and families. He has worked in private, public, and not-for-profit services in urban and rural settings, including Aboriginal services.  He aims for his clients to have better understanding of themselves as a means to living more fulfilling and harmonious lives. He has worked with clients experiencing symptoms of ADHD, ASD, substance use disorders and eating disorders.  He also has worked extensively with transgender young people.    

Justine La - G Dip Psych, BA, M Psych

Justine is a psychologist who has experience in a number of different settings including private practice, primary schools, mental health helplines and employment services. This combination of work has allowed her to work with a wide range of clients, from school aged children to elderly adults, conducting work such as face to face and phone counselling, case management, cognitive assessment, and vocational assessment.  Justine believes that the most important factor to effective therapy is the collaborative relationship between psychologist and client- she operates from a person-centred approach with clients to assist them with achieving their goals in a way that is in alignment with their personal values. 

Daniel Biddle - G Dip Psych, B Sc (Hons), M Psych

Dan is a registered psychologist, and since 2016 has worked with individuals experiencing a range of mental health concerns. He has a particular interest in working with anxiety, depression, and trauma, but has experience working with a wide range of difficulties. Dan is a strong believer in the value of evidence-based medicine, and is completing a PhD focused on the role of sleep in mental health. His clinical philosophy is “do what works” and while he is familiar with a number of evidence-based therapies, he will work with you to determine what is effective for your specific situation. Dan recognises that mental illness is common and firmly believes there is always hope for positive change.

Natacha Desille - BA (Hons), M Psych

Natacha Desille is a clinical Psychologist with over ten years experience treating a range of mental health issues. She has worked extensively with individuals, couples, adolescents, children and families from a range of backgrounds. Natacha has a holistic and integrated approach in the treatment provided to her clients, and enjoys using a variety of evidence-based practices that take the individual and their personal and unique circumstances into consideration. She is warm, personable and compassionate in her approach while also being able to provide practical strategies that motivate clients to change and address the patterns that are no longer working for them.