Standing on stage requires many factors in addition to public speaking skills and charisma. The presentation might actually be the last thing that the audience sees, because the process starts long before. And the overseen factors are actually dominant causes behind the efficiency of the performance.
This skill is growing continuously, but in order to allow this growth to happen without blockages and misconceptions, we also need to include and work on one or some of the following:
The work might be short term oriented or long term:
Short term goals:
Long term goals: