Stepping outside the box, asking for change or demanding improvements is often a difficult task. Part of your success will depend upon communication skills.
Here is a collection of free, online videos that provide valuable tips and techniques on how to communicate effectively.
Failure does not matter. Success matters by Vinod Khosla
How to Communicate with Your Audience by J.D. Schramm
Think Fast, Talk Smart: Communication Techniques by Matt Abrahams
The surprising secret to speaking with confidence by Caroline Goyder