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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.
- Master of Medicine (Psychiatry)
- Bachelor of Medicine and Bachelor of Surgery (MBBS)
- Case Management Administrator Certification (CMAC)
- Fellow of the Academy of Medicine, Singapore (FAMS)
- Certified Master Addiction Counsellor
- Certified Clinical Supervisor (CCS)
Background and Expertise
Dr Munidasa Winslow is a distinguished psychiatrist with over 35 years of experience in general psychiatry and addiction medicine. A medical graduate of the National University of Singapore (NUS) in 1984 with a Master of Medicine in Psychiatry in 1992, he has dedicated his career to pioneering mental health and rehabilitation services in Singapore. Dr Winslow began practice at Singapore’s Institute of Mental Health (IMH) in 1988, where he was instrumental in establishing comprehensive addiction treatment services both within the hospital and in the community. He rose to become Chief of IMH’s Addiction Medicine Department, leading the nation’s efforts in managing substance use and impulse control disorders. In his role, he spearheaded the launch of the National Addictions Management Service (NAMS), Singapore’s first dedicated public programme for addiction care in collaboration with the Ministry of Health.
Renowned for his clinical acumen, Dr Winslow is recognised as one of Asia-Pacific’s foremost experts in addiction psychiatry and impulse control disorders. He has published widely on general psychological and addiction issues and remains a sought-after speaker at international conferences, sharing insights on emerging trends in addiction medicine and mental health treatment. Beyond psychiatry, he continuously hones his therapeutic skills as the accredited Master Addiction Counsellor and Clinical Supervisor, underscoring his holistic approach to patient care.
Leadership and Contributions
Public Sector Innovations: In his two decades at IMH, Dr Winslow not only built up hospital-based services but also extended his impact to national policy and community rehabilitation. He played a pioneering role in developing NAMS, which underpins Singapore’s national strategy for addiction management. As part of his work, he fostered a close working relationship with the Ministry of Health to integrate addiction treatment into the wider healthcare system and to train a new generation of mental health professionals. Notably, Dr Winslow also helped establish WE CARE Community Services, Singapore’s first social service center for addiction recovery, which continues to support recovering individuals and their families. In recognition of his expertise, he has served for over a decade on WE CARE’s Board, where he is valued as “one of the foremost authorities on the clinical treatment of addictions”. Through these efforts, he has been a key figure in shaping Singapore’s recovery-oriented support networks, from clinical settings to community programmes.
Forensic and Correctional Collaboration: Dr Winslow’s expertise extends to forensic psychiatry and offender rehabilitation. He has been an appointed psychiatric expert for Singapore’s courts and law enforcement agencies, providing psychological assessments for offenders and expert testimony on cases where mental health is a factor. As a forensic consultant, he works closely with the Singapore Prison Service and rehabilitation agencies to design interventions that address inmates’ psychiatric needs and reduce reoffending risks. He has advised on specialised treatment programmes for incarcerated individuals with addictions and impulse control disorders, advocating for therapeutic approaches within the criminal justice system. His influence is evident in the shift toward more rehabilitative, mental health-focused frameworks in corrections, aligning punishment with compassionate care, treatment and recovery support. This multi-sector engagement highlights Dr Winlow’s commitment to applying psychiatric expertise for public safety and social good.
Academic and Institutional Roles: In addition to his clinical leadership, Dr Winslow contributes significantly to medical education and research. He serves as an Adjunct Associate Professor at the Yong Loo Lin School of Medicine, NUS, mentoring future doctors and conducting academic work in psychiatry. He previously held an academic appointment with Duke-NUS Medical School, reflecting his standing in Singapore’s academic medical community. Through these roles, he has shaped curriculum and training programs in mental health, emphasising practical skills in counselling and addiction management. Dr Winslow is also a Fellow of the Academy of Medicine, Singapore, underscoring his recongized contributions to the medical profession. He remains actively involved in professional boards and committees, having served in leadership positions within the Chapter of Psychiatrists (College of Psychiatrists) in Singapore. By bridging clinical practice, teaching, and professional advocacy, he elevates the standards of psychiatric care and workforce development both nationally and regionally.
Private Sector and Regional Impact: After leaving public service in 2011, Dr Winslow founded Promises Healthcare, a premier private mental health and addictions treatment centre, where he is the Chief Executive Officer and Senior Consultant Psychiatrist. Under his guidance, Promises has grown into a multidisciplinary clinic know for evidence-based treatment and holistic care, including introducing novel modalities like transcranial magnetic stimulation in Singapore’s private mental health care sector. Through Promises, Dr Winslow has also been at the forefront of corporate and public education initiatives, providing training and curated programmes on mental wellness and addiction to organisations across the Asia-Pacific region.
To further knowledge exchange and innovation in his field, Dr Winslow spearheaded the Asia Pacific Behavioural and Addictions Medicine (APBAM) Conference. Launched in 2010, APBAM has become one of the premier addiction medicine conferences in the Asia Pacific region, organised bi-annually convening practitioners, policymakers, clinicians and educators to build knowledge and skills for effective addiction and mental health management. Under Dr Winslow’s leadership, this bi-annual conference features renowned international speakers and multidisciplinary workshops, reflecting his commitment to elevate addiction medicine across Asia-Pacific. His role in organising and chairing APBAM demonstrates thought leadership beyond clinical practice, creating a collaborative platform to tackle evolving challenges such as behavioural addictions, trauma-informed care, and new therapeutic technologies.
Across all these endeavours, Dr Munidasa Winslow’s contributions stand out for their breadth and impact. He is a pioneer who has seamlessly integrated clinical excellence, public sector services, academic naturing, and community advocacy. From treating patients and training practitioners, to advising policymakers and uniting international experts, Dr Winslow has been a driving force in shaping Singapore’s mental health landscape. His authoritative expertise in psychiatry, spanning general adult care, addiction rehabilitation, and forensic consultation, coupled with a proven tract record of leadership makes him a highly credible and impactful figure. Policymakers, investors, and partners recognise Dr Winslow as a thought leader who not only delivers medical results but also builds sustainable systems for mental healthcare and addiction recovery. His career exemplifies the values of compassionate care, innovation, and inter-agency collaboration, positioning him as an authoritative voice in shaping health policy and advancing psychiatric services in the region.
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