Some of the greatest visual storytellers on the planet have created a free course on storytelling. This Pixar course on Khan Academy is kicked off by my hero, Pete Doctor. No matter what your job, I guarantee that the ability to tell a good story (pitch, scenario, etc.) is an important part of your success.
Check it out:
https://www.khanacademy.org/partner-content/pixar/storytelling
The Elements of Simple 