Dr Zulkhairul Naim bin Sidek Ahmad is a Head of Department, the Department of Medical Education and Senior Medical Lecturer at the Department of Public Health Medicine, Universiti Malaysia Sabah (UMS), respectively. He obtained a Medical Degree from Universiti Sains Malaysia (2009), Master of Public Health from the University of Dundee (2016), Master of Science in Healthy Aging, Medical Aesthetic and Regenerative Medicine from UCSI University (2018) and PhD from the University of Manchester (2021).

His main research focus is on health equity looking at the impact on the climate change and strengthen the climate resilience among vulnerable populations. Currently, he is doing research related to pesticide exposure assessment among farmers, nutritional status among children and one health issues. The pesticide exposure project is mainly looking at the exposure level among farmers in main agricultural areas in Malaysia who being exposed to pesticide and how climate change speeds up pesticide degradation. At the same time, he is also doing a project on nutritional status among vulnerable infant and young children living in slum areas in Sabah.  This project is funded by UNICEF to address the impact of COVID-19 on nutritional status among vulnerable population. The preliminary findings showed that the COVID-19 pandemic as well as climate change worsening children malnutrition and impacting the other causes such as nutrient quality and economic. Recently, He received a funding from SEAOHUN (SEAOHUN) to tackle anti-microbial resistance (AMR) by providing health education among primary school students in rural areas in Sabah.

He believes that the world needs leaders with the courage, drive and leadership skills to fight climate change and help restore the natural world. He hopes that he can be one of them.