Dr Munidasa Winslow is a leading and renowned psychiatrist with over 35 years of experience in general psychiatry and addiction medicine. Dr Winslow graduated from the National University of Singapore (NUS) with a Master of Medicine in Psychiatry, and began his career at the Institute of Mental Health (IMH) in 1988, where he played a pivotal role in establishing and developing Singapore’s modern addiction treatment system. As Chief of IMH’s Addiction Medicine Department, he worked closely with the Ministry of Health to establish the National Addictions Management Service (NAMS), the nation’s first comprehensive public programme for addiction care.
Recognised as one of Asia-Pacific’s foremost experts in addiction psychiatry and impulse control disorders, Dr Winslow has published extensively and is a sought-after speaker and thought leader at both the regional and international conferences. Dr Winslow is an accredited Master Addiction Counsellor and Clinical Supervisor, testifying his commitment to holistic, evidence-based care with rehabilitative approaches.
His contributions span across the public service, forensic psychiatry, medical education, and community advocacy. He has served as an expert to Singapore’s courts, helped establish WE CARE Community Services, and is an Adjunct Associate Professor at the NUS Yong Loo Lin School of Medicine. Dr Winslow is strong advocate of recovery-oriented practice and peer inclusive care. In 2014, Psaltcare was established to focus on sustaining mental health recovery within the community.
In 2011, Dr Winslow founded Promises Healthcare, where he currently serves as the CEO and Senior Consultant Psychiatrist. Promises Healthcare is the largest private psychiatry care institution, where he continues to lead and champion multidisciplinary mental health and addiction services locally and regionally. Come end-2026, The Winslow, a nation’s first purpose built private inpatient centre dedicated to the treatment of substance use and behavioural addictions will open its doors, setting a new benchmark for high quality and personalised private care in the region.
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 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 Maniatis has over 20 years of experience in concurrent addiction and mental health treatment delivery, a Senior Addictions Psychotherapist at Promises Healthcare in Singapore, specializing in the targeted treatment of complex behavioral and substance dependencies. Recognized for his clinical expertise in navigating modern psychological challenges, he provides evidence-based interventions for gaming and internet addiction, substance abuse, deep-rooted trauma, and ADHD.
Recovery requires more than simply treating symptoms; it demands addressing the underlying distress. Tom brings a fiercely non-judgmental, person-centered approach to his practice, understanding that addiction and behavioral struggles are often intertwined with burnout, unresolved trauma, or strained family dynamics. By integrating proven therapeutic frameworks, including trauma-informed care and Cognitive Behavioral Therapy (CBT), he creates a psychologically safe environment where clients can confront core issues without shame.
Working extensively with struggling adolescents, high-stress professionals, and distressed family units, Tom focuses on practical, long-term outcomes. He helps clients dismantle destructive cycles, develop resilient emotional regulation strategies, and rebuild fractured relationships.
Consulting fluently in both English and Greek, Tom partners with his clients to provide the sustainable, real-world tools they need to reclaim agency over their mental health and move forward with clarity and purpose.
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).
Mara is a qualified psychotherapist who specializes in providing support to partners of individuals dealing with addiction. She strongly believes that addiction affects not only the person struggling with substance or behaviour abuse but also the family members. Mara believes that participating in partner therapy can be vital in mending and supporting relationships affected by addiction.
Mara has a Master of Counselling (Advanced Family Therapy) from Swinburne University, Australia. She uses an integrative approach to therapy, which includes the Personal-Centered Approach, Psychodynamic, Systemic, and Structural Family Therapy, and Gottman Method Couples Therapy. Her goal is to help committed couples restore their relationship that has been affected by significant issues such as affairs, trauma, and addictions.
Mara is originally from Argentina and has over 20 years of experience working in international companies. Before moving to Singapore, she worked in Argentina, Brazil, the United Kingdom, and the United States. She gained diverse experience working with cross-cultural teams, managing conflict resolution, and implementing motivational programs. Mara speaks English, Spanish, and Portuguese and supports the LGBTQA+ community.
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.
Varian Monteiro is a counselling therapist with considerable experience assisting clients with addiction, trauma, and relational challenges. He also assists clients in handling some of life’s toughest decisions. With his client-centered, biopsychosocial approach, Varian continues to lend a compassionate space to his international clientele.
Gaurang Bhatia is an experienced counsellor based in Singapore. He provides psychology therapy to adults and adolescents with a wide range of mental health concerns. His specialist interest is in addressing trauma and addictions. Gaurang also works with couples/partners especially in context of betrayal trauma. He also works with LGBTQ clients. As a seasoned meditator, Gaurang incorporates mindfulness in his sessions.
