BIM roles are not necessarily related to specialist positions. It should be viewed as a function that could be fulfilled by more than one person and allow the transfer of the functions between individuals holistically 
Information management roles are not included within BS EN ISO 19650‑2. Instead, all activities within the information management process are to be undertaken by a single “information management function”. BS EN ISO 19650‑2:2019, Annex A provides a template for an information management function assignment matrix, which can be used by the appointing party to assign each activity (requirement) to themselves, to an appointed party or a third-party. Once an activity has been assigned, it is for the relevant party to identify the role that is responsible for the activity.ISO 19650
functions being performed by an actor at a point in timeBS EN ISO 29481-1:2017
Note 1 to entry: The role of an actor is determined by action and outcome and not necessarily by the profession
or trade followed by the actor
 Muñoz, F., Rivera, L., Vielma, J.C., Herrera, R.F., Carvallo, J., 2019. Organizational Goals – Definition, Types, Importance [WWW Document], n.d. (accessed 1.26.21).