Mathias Njoya is an environmental drug abuse activist and a promoter of youth capacity-building. He is a holder of a Diploma in Pharmaceutical Technology and is currently doing a BSc Degree in Public Health at the University of the People. He is the Founder and Executive Director of Youth Against Drug Abuse (YADA) International and African Youth Empowerment and Capacity Building Academy (AYECBA). His passion for combatting and addressing mental health concerns is due to the influence drug abuse has on mental health and wellbeing. He was nominated for a social media award for the best advocate for SDG 3 by Digital Citizenship and SDGs Project (DigCit SDG) Cameroon in 2019. In December 2020, he was recognised as the Best Social Justice Activist by Global Institute of Peace Justice and Liberty, Liberia.