Risk management is the art of using prediction, statistics, and basic economic theory to optimize a situation for the best outcomes. While this might sound like an incredibly specific skill, it's actually one of the most versatile things you can learn.
When focusing on a specific program or piece of hardware, certification exams are offered by the creator and developer of the content. Once obtaining a certification, your employee instantly demonstrates their proficiency using the program, application, or hardware in question. Holding such a certification can prove beneficial when working with that item as demonstrates an in-depth understanding of the material, often more so than can be obtained through on the job experience.