Develop a complicated schedule, then pretend you're busy.
Meetings are the bane of productivity. Avoid them at all costs.
Step 1: Create an impossible-to-keep-track-of schedule.
Develop a schedule so complicated that even you can't keep up
Step 2: Make sure you're always 'in a meeting' when the real meeting starts.
Use VPN for an added layer of plausible deniability
Step 3: Schedule multiple meetings at the same time, then claim you're 'on the other side of the call'.