Respect calendar blocks, require an agenda for all meetings, and leverage a PMO for scheduling and organization of executive-level initiatives. Additionally, reserve time in the week for all employees to work rather than meet.
Suggestions: offer true PPO plans with better coverage (I get regular comments from my medical providers and pharmacy that the coverage isn't great) improve the PTO policy (they say it's unlimited but it isn't), and better parental leave.
Lack of organization and direction from the top down. We are expected to follow what the most senior leader wants without rhyme or reason. To fix it, we need to make and stick to annual plans, make and stick to realistic goals, and stop putting the cart before the horse.