Create Kanban custom view for Leads, categorized by Lead Owner

Create Kanban custom view for Leads, categorized by Lead Owner

When creating a custom view in the Leads module – a Kanban view – I am trying to categorize the Leads by Lead Owner. This doesn't appear to be an option in the 'Categorize By' drop-down. I can see many of my custom fields, but not this default field.

I would like to be able to show a kanban list of leads, with a different column for each of my sales team. Is this not possible? I can add the field to the information displayed for each lead, but not categorize the actual columns by it.

Any help appreciated!