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Emmert is an MRC Clinical Research Fellow in the National Addiction Centre, Institute of Psychiatry, Psychology & Neuroscience (IoPPN) and Honorary Consultant in Addiction Psychiatry at the South London and the Maudsley (SLaM) NHS Foundation Trust.

He graduated with distinctions in medicine (BMBCh) from the University of Oxford, and epidemiology (MSc) from the London School of Hygiene and Tropical Medicine (LSHTM). He holds a PhD in Addiction Sciences from KCL, his thesis exploring how specialist drug and alcohol treatment provision in England impacts on hospitalisation and mortality.

He is a member of both the Royal Colleges of Physicians and Psychiatrists and during the COVID-19 outbreak founded the Homeless Hotel Drug and Alcohol Service (HDAS) the first pan-London service to provide drug, alcohol and tobacco support to the population of people experiencing rough sleeping who were temporarily housed in emergency accommodation across the capital.

He previously worked as a Research Fellow at the National Clinical Guideline Centre, contributing to national NICE guidance in the diagnosis and management of osteoarthritis, acute heart failure and hepatitis C.

He has a strong interest in substance misuse, sexual and reproductive health and the overlap of physical and mental health conditions.

Research Interests

Emmert is currently undertaking a Harkness Fellowship at Stanford University in California exploring health equity implications in opioid overdose prevention and will return to King's to take up an NIHR Advanced fellowship in 2023 developing interventions to reduce mortality and repeated hospitalisation due to drug and alcohol use.

Research Groups

Expertise & Public Engagement

Emmert is an honorary analyst at the Office for Health Improvement and Disparities (OHID) in the Department of Health and Social Care (DHSC). He has contributed blogpost articles to BMJ Opinion and the Mental Elf. Emmert is a trustee of the Faculty of Sexual Reproductive Healthcare (FSRH) and Alcohol Change UK.


Emmert currently teaches on the MSc in Addiction Studies.