David Evans is the founder and managing partner of Sentiero Ventures, an early-stage venture fund outside Dallas that invests in business software where artificial intelligence is the core of the product rather than a feature bolted onto it. Before the fund he was an operator. He has been writing software since the early 1990s, built and sold a national digital signage network, and founded EasySeat, an online ticket resale business that reached the Inc. 500 and sold in 2015.