Sönke Liebau has worked as an Analyst and Architect in the financial industry since 2009 where he worked closely with both the business and developers to create data driven solutions. With a variety of topics like sanctions screening of credit card transactions, interest calculation as well as migrating and monitoring a full ATM infrastructure he has a lot of requirements analysis and system design experience. Sönke started getting involved with the Elasticsearch ecosystem in 2013 while designing and implementing a monitoring solution for a network of 4000+ ATMs. Since then he has moved into supporting his customers in gaining insight from data and supervising existing infrastructure based on open-source software. He is also the founder and organizer of the Elasticsearch Meetup group in Frankfurt and has spoken at other meetups. In 2016 he co-founded OpenCore, a Hadoop and emerging data technologies consultancy.