From this feedback: https://xeno.hellonext.co/features/separate-brands-more-control-over-g-cal-sync-and-personal-timetables
"[For personal timetables (per team member)] I can set the team timetables just fine but I can't set my own personal timetables to be different per brand. So for example, if I wanted to set my own personal hours for ABC brand to be Mon - Wed, 9 - 5 and then set my own personal hours for XYZ brand to be Thurs - Fri, 8 - 4 I can't do that."