Executive presence has 4 Elements: (Source : Forbes.com)
1) Public speaking element :
Have a vision and articulate well ;
Build your communication skills
2) Listening Element :
Become an Excellent listener
3) Body Language:
Learn to operate under stress : Don't appear flustered, rushed or overwhelmed;
Make sure you appear right with the Company Culture
4) Voice & Gravitas
Cultivate Network & Political-savvy
Understand how others experience you