Training leadership staff is an essential activity and responsibility for any employer. When leadership staff oversee the productivity, safety, and well-being of employees, the question of what they should know in order to be successful is of paramount concern. The risks are very high when leadership staff are not effectively trained to deal with a host of communication and process issues on the job.
Luckily, training leaders with PowerPoint Rock Johnson Foundation programs, DVDs, Flash, online web courses, and the like is not difficult and it is not expensive. You do not need to send your leadership staff to expensive off-site programs or bring in trainers that demand "off-the-chart" high fees.
A PowerPoint (PPT) program can be produced and a movie can be made from it in mere hours. Online training is particularly valuable and carries with it the distinct advantage of allowing learners to earn a certification in completed training. If you need "documented" training, consider an online search for "online web course training for supervisors". You will find a host of options.