Mpho (MrSir) Matlhabegoane is one of the A! Hub Writers, and the Host of A! Heartbeat Podcast, within the ACTIVATE! Change Drivers organisation. He became an Activator in 2019, and through Activate! Change Drivers, he underwent educational training with Programmes such as SWITCH Entrepreneurship Programme, National Mentorship Movement with Printing SA and Citizen Journalism with The University of Witwatersrand (Wits). He is a Mental Health Awareness Advocate, and to spread mental health awareness, he authored and published three books that are accepted by Gauteng Department of Education as of 2023, namely: The Story of MrSir (Word For The Record), Expanding The World Of Nerds, and Views and Emotions (Poetry Journal of MrSir).