Still buzzed from Authority Rainmaker 2015 conference in Denver Mark is a great artist, and he drew these for any attendee who wanted one. For free. Still buzzed from Authority Rainmaker 2015 conference in Denver. Being organized includes having systems and processes for maintaining the inspirational buzz we get from great conferences and meetings. Photos are one way to do it. Next Blog By jeff noel Retired Disney Institute Keynote Speaker and Prolific Blogger. Five daily, differently-themed personal blogs (about life's 5 big choices) on five interconnected sites. View all of jeff noel's posts.