And nothing can substitute for Alexander Technique lessons in developing presence. Otherwise your constricting habits take over and no amount of doing, no amount of yoga, will get you back to the grace and poise you had as a child.
I don’t agree with many of the prescriptions below. They simply won’t work. Holding your shoulders back may sound like good advice, but it does not permanently correct posture. It works only temporarily for as long as you maintain that direction and it isn’t impressive. It makes you looked forced and rigid.