We'll be honest, we didn't expect anyone to end up here.
There are thousands of articles about you on LinkedIn, and if you can spare a minute away from the golf course, we recommend you give our blog on bad managers a read, and specifically the section on how to improve!
You're going to need all the help you can get, so a good start will be looking at how workforce management solutions can at least do a better job than you (sorry bit harsh).
There's a range of solutions available that will do all the planning, arranging and allocating for you - so at least your employees know where they should be. Plus they can easily book their holiday's using their annual, flexi-time or time in lieu (TOIL) balance. After all, they're going to need the break.
Hey, why not check it out?