Dave Russell is a Principal Solutions Engineer at Hortonworks and spends his time guiding a variety of different organisations through the complexities of their big data journeys. Most recently focussed on the areas of Cybersecurity and applying real-time big data solutions to that increasingly hot area. He has spent over 20 years in Open Source, with much of that being spent in scale out areas such as cloud and big data. Dave is also a founding co-host of the Roaring Elephant Podcast about Apache Hadoop, advanced analytics and the surrounding ecosystem.