powrtalk presentation skills training has been developed by Robert Burnside from two sources: personal experience and expert opinion.
			making at least 2000 speeches and presentations in several different fields and languages, beginning in high school winning (and losing) business presentations winning public speaking competitions, in Japanese and English writing or consulting on proposals and presentations for many companies over 17 years training hundreds of people in proposal writing, public speaking and presentation skills over 10 years
			books by recognized experts on powerful presentation, persuasion, charisma, communication theory and other related topics periodicals and academic studies related to advances in neuroscience and psychology short training programs on communication and related subjects