Bill Williams and Justine Williams-Lara have been featured speakers at trading conferences held in England, France, Switzerland, Japan, Hong Kong, Taiwan, Korea, Australia, Singapore, New Zealand, Canada, Venezuela, Russia, the Netherlands, and the United States. Here are some of Profitunity's historical documents from the past 25+ years, from various presentations and publications, articles by Profitunity, Bill Williams speaking at events, and interviews with Bill Williams, Ellen Williams, Justine Williams-Lara and Marcus Lara of the Profitunity Trading Group.