We have many readers working in corporate or non-profit environments where they might have the opportunity to coach leaders on being more effective communicators. We also have a lot of readers who are leaders themselves (leader readers? ;-) ) and want to improve their communications. In either case, I think you'll benefit by reading my guest post on a very popular business and human resources blog:
Clearly, improving your presentation skills and other communications strengthens your leadership and improves your reputation.
You may also find this post of interest:
Please let me know your thoughts.