Salim is the current GCAB co-chair for the Sub-Saharan region, He is also a CAB representative at Moi University School of medicine which is one of the sites for AMC (Aids Malignancy Consortium). In this role, he is involved in sensitizing the community about research and its benefits to the community, reviewing protocols and other research materials, organizing and facilitating CAB outreaches, representing community inputs to the site and Identifying, training needs for the community.

He also served as a Peer mentor in the Academic Model proving Access to Health (AMPATH) care system in western Kenya. Throughout this period, he has participated in Mentoring adolescents and youth in all matters relating to HIV and other malignancies. He is viewed as a leader and organizer among his peers, leading to his selection to serve as the peer liaison between the adolescents and physicians within the AMPATH care system