Dave Beyer is a Founder of GroupVine & Rooftop Communications at GroupVine. He possess expertise in entrepreneurship, start ups, mobile devices, wireless, product management and 11 more skills. Colleagues describe him as "Dave is a brilliant entrepreneur, an adept business strategist and world class technologist. He's one of the most productive people on the planet, inspiring his teams by example and challenge. Most importantly he cares deeply about the people around him and the contributions he and his companies make. It was an honor to see him in action at The Groupery."