Who is responsible for portfolio Kanban?

This image has an empty alt attribute; its file name is who-is-responsible-for-managing-the-portfolio-kanban-1.png
Image Showing Question : Who is responsible for portfolio Kanban?

Answer :

Best features of kanban is, there is no role assignment. The person responsible for managing the portfolio kanban is the person the team follows. This person depends on your organization’s policies and processes since there are many ways to set up portfolio management.