Nairobi, May 7 -- What do Michelle Obama, Oprah Winfrey, PLO Lumumba, Nick Vujicic and Vusi Thembekwayo have in common? They are excellent, renowned global speakers.

In a world dominated by vanishing attention spans and endless, chaotic digital noise, the art of public speaking stands as an indispensable skill to build a powerful personal brand in the competitive, ruthless and tumultuous corporate or business world. The mastery of public speaking offers individuals a unique opportunity to craft and amplify their personal brand as well as build a loyal community.

Public speaking is at the heart of human communication and resonates deeply to the heartbeat of people. Like a currency, when one's public speaking skills are top-notch, their b...