Dave is currently the Chief Evangelist for Alexa and Echo at Amazon. He has been a professional speaker, trainer, and evangelist for over two decades. He has taught full-day courses on many topics including voice design, natural language understanding, mobile, and the cloud. Dave has helped launch numerous technology platforms and devices while at both Microsoft and Amazon. He hosts two different podcasts and can be found on Twitter as @thedavedev and at thedavedev.com.