Before exploring how workplaces can promote prevention and wellbeing, Associate Professor Goodman Sibeko introduces Associate Professor Nadine Harker, the voice and perspective behind much of this work. In this opening conversation, Prof. Harker shares the path that led her into public health, what draws her to issues of mental health and substance use, and how her academic and professional experiences have shaped her approach.

The discussion offers context for her work and sets the stage for the conversations ahead on leadership, culture, and prevention in the workplace.

Featured Voices

Host – A/Prof. Goodman Sibeko

ISSUP Global Scientific Advisor.

Head of Addiction Psychiatry, University of Cape Town.

LinkedIn: goodmansibeko

Twitter/X: @profgsibeko

Guest – A/Prof. Nadine Harker

Specialist Scientist in the Alcohol, Tobacco and other Drug Research Unit of the South African Medical Research Council.

Time Stamps

[00:00] – Introduction

[01:37] – Professor Harker, background and early work

[04:08] – Inside the South African Medical Research Council (SAMRC)

[06:06] – Reimagining Prevention with Unlimited Resources

[7:43] – Closing Reflections

About the ISSUP Exchange

The ISSUP Exchange podcast series explores the evolution of responses to the challenges of substance use—from research and training to ethics, quality standards and evidence-based practice. We connect the dots so you can see the big picture.

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About ISSUP

ISSUP is a global network that unites, connects, and shares knowledge across the substance use prevention, treatment, and recovery support workforce. Our mission is to make our members’ work as effective as possible—by providing access to training, resources, and a vibrant professional community.