Dr Munidasa Winslow specialises in addiction and impulse control disorders such as alcohol, substance dependence, gambling, gaming and sexual compulsivity amongst others. He is a pioneer in addiction and impulse control disorders in the Asia-Pacific region.
Before founding Promises, Dr Winslow served as chief of the Addiction Medicine Department at IMH. He played a pioneering role in the setting up of the National Addictions Management Service (NAMS).
Dr Terry Spokes is a highly experienced clinical psychologist with a background in leading addiction treatment services across Europe and Asia. He currently serves as the Clinical Director of The Winslow, Singapore’s first private, residential centre specialising in addiction treatment. Dr Terry works with adults presenting with a wide range of mental health difficulties and has particular expertise in the psychological treatment of addiction, trauma, and neuropsychological conditions.
Having worked alongside people facing a range of mental health challenges for over 20 years, Dr Terry believes it is a natural part of the human experience to have times when we flourish and times when we struggle. He has seen how creating the space to step back and reflect can lead to valuable insights into the patterns at play in our lives — helping to heal the hurts that may be limiting us and uncovering the strengths and resources that support growth. With this awareness, people can move forward in ways that feel more aligned with who they are and the life they want to live.
Andy Leach is a qualified and highly experienced addiction psychotherapist. His initial training was in psychodynamic therapy, and the skills he now employs with his clients are person-centred. He works with an all addictions model and has a passion for helping clients identify and achieve goals for addiction-free lives. Therapeutic techniques that he employs are CBT, the Minnesota Model, DBT, Motivational Interviewing and Trauma-informed therapy.
Andy enjoys delivering group therapy as well as individual therapy. He delivers Psycho-education groups as well as Yalom style process groups. In his capacity as Director of Addiction Services for Visions by Promises, he has created & set up the Intensive Outpatient Program. Before joining Visions by Promises, he was Clinical Lead for the Cabin Group in Asia.
Sharmini’s distinctive background in both the performing arts and counselling has ignited a profound interest in psychodrama. She adeptly leads Personal Growth Groups, skillfully integrating elements of bodywork, role play, and creative arts. Additionally, she maintains a consistent schedule of psychodrama workshops. Notably, her dedication is underscored by her extensive training, comprising over 1000 hours of instruction and practice with the Hudson Valley Psychodrama Institute and AANZPA (Aotearoa Australian and New Zealand Psychodrama Association). Her expertise earned her the recognition of the American Board of Examiners, certifying her as a proficient practitioner of Psychodrama, Sociometry, and Group Psychotherapy. She is also an esteemed member of the American Society of Psychodrama and Group Psychotherapy (ASGPP).
Sharmini’s impactful contributions have left a positive imprint across diverse institutions, ranging from healthcare establishments to correctional centres. Employing a holistic approach, she prioritizes stress alleviation and the cultivation of self-awareness within her clientele. Her workshops and mentorship endeavours stand as testaments to her unwavering commitment to professional development, characterized by her distinctive amalgamation of methodologies. Through her innovative integration of AF-EMDR with Psychodrama, she amplifies her capacity for facilitating profound healing. All in all, Sharmini’s fervent dedication to transformation and healing resonates deeply within her impactful body of work.
CLICK HERE for more information about Psychodrama Singapore and Sharmini’s involvement with Psychodrama.
Dr Sharad Haridas is a respected Consultant Psychiatrist with extensive experience in general psychiatry, substance misuse and behavioural addictions. With a career spanning both London’s public and private sectors, he is recognised for his thoughtful, empathetic approach to a broad spectrum of mental health challenges. Firmly committed to advancing the field, Dr Haridas has contributed to pioneering research at Imperial College London and lectured at UCL. His practice is grounded in a holistic philosophy that integrates neuroscience, emerging treatments, and lifestyle optimisation—always guided by a balance of clinical expertise and genuine compassion.
Dr Sean David Vanniasingham is a consultant psychiatrist experienced in general psychiatry, addiction medicine, and neurostimulation treatment.
Dr David graduated from the National University of Singapore with a Bachelors in Medicine and Surgery and subsequently attained his post-graduate degree from the Royal College of Psychiatrists. After completing his psychiatry residency training, he practiced as a psychiatrist at the Institute of Mental Health (IMH) and the National Addictions Management Service (NAMS).
Dr David has a vast experience in treating patients from both inpatient and outpatient settings. He has treated a wide variety of conditions including depression, anxiety, OCD, ADHD, psychosis, addictions, stress-related conditions and insomnia. He is also trained in in the practice of neurostimulation treatment modalities such as electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS). Dr David is a firm believer of practicing a bio-psycho-social model approach in the holistic and recovery-oriented care of his patients.
Dr David is passionate about the education of young doctors. He was awarded the National Healthcare Group teaching recognition award for medical educators. He has also presented at conferences and given public education talks. He is an examiner for the MRCPsych (UK) examinations held in Singapore. Dr David is a fellow at the Academy of Medicine Singapore and is currently serving as an executive committee member of the Singapore Psychiatric Association.
Dr Sandor Heng is a skilled and experienced dual diagnosis clinician. He has a Doctorate in Clinical Psychology and has worked in both private and public health sectors in Australia and Singapore. Though he describes himself as a behaviourist by heart and was schooled in Cognitive-Behavioural Therapy, he generally adopts an eclectic approach in treating addictions and mental health. By focusing on a strengths-based approach, he blends evidence-based practice with practice-based evidence to achieve clinical outcomes. He has a special interest in co-occurring disorders (addictive disorders and mental health disorders), and his philosophy of therapy is to be the best version of oneself, which he practices in his own life.
Prior to joining Promises, Dr Heng was the sole psychologist at the National Addictions Management Service (NAMS) in the Institute of Mental Health (IMH) for 7 years and was the team lead for the NAMS Inpatient Program. Dr Heng currently sits on the Board of the Singapore Anti-Narcotics Association (SANA) and is the Chair of the Rehab & Reintegration Subcommittee. He is also an Associate Faculty in the Singapore University of Social Sciences (SUSS), where he teaches the Addiction Module in the Masters of Counselling Program.
Tom has over 20 years of professional experience in addiction treatment provision, predominantly working in government-contracted treatment services in the UK.
This included delivering group and 1-1 therapy in various prisons, and regional community outpatient drug and alcohol treatment centers.
His wealth of knowledge has led him to various responsibilities, including quality checking/inspecting treatment centers, educating medical personnel on treatment methods, and managing regional treatment services involving large multidisciplinary teams.
His clientele most often includes people with very complex needs, and his extensive and diverse experience as a therapist means that he is able to think outside the box, handling highly complex and sensitive situations with confidence.
Tom never gives up on clients and utilises a trauma-informed, neurodiversity friendly, LGBTQIA+ affirming, and compassionate approach.
As an Addictions Therapist, Gowri is passionate about guiding her clients through life’s challenges and helping them transition to healthier and more fulfilling lives. Her approach is defined by warmth and empathy, providing a non-judgmental and safe space for clients to explore their thoughts, emotions, and experiences. Gowri finds deep gratification in creating a mutually beneficial therapeutic experience that fosters exploration, learning, and reflection for both therapist and client. She holds a Masters in Counselling from Monash University, Australia, and is registered with the Singapore Association for Counselling (SAC).
Andrew da Roza is a qualified addictions psychotherapist who specialises in sex addiction. Andrew practices motivational interviewing, solution-focused brief therapy, and cognitive behavioural therapy to help clients identify their values, goals and strengths to enact positive change in their lives.
Currently, Andrew is Chairman of We Care Community Services, and sits on the Board of the Singapore Anti-Narcotics Association.
