Eric Dinger, founder of Powderhook, is a veteran of the startup world. In 2003, he founded a brand strategy company called Thought District, which he exited in 2012. Over the years, TD built nearly 300 websites, worked with hundreds of small and medium businesses and helped many well-known companies get their start. Companies in which Dinger played an early-stage role include Complete Nutrition, Nebraska Global, Bridgepoint and VentureTech.