Professor Nicholas Lintzeris is an Addiction Medicine Specialist who has worked for over 30 years in clinical, research and policy roles. He has been involved in developing new medication approaches for opioid dependence treatment, including early work with methadone, sublingual buprenorphine, and heroin prescribing; and more recently with long acting depot buprenorphine. NL has authored Australian clinical guidelines regarding long acting depot buprenorphine and led clinical research examining its use compared to sublingual buprenorphine, in prison settings, for withdrawal management and pain management. He is also involved in clinical trials of medicinal cannabis and amphetamine based medicines.