Tim is a teacher, author, and technology leader with StarTree, where he serves as the VP of Developer Relations, working with his team to make Apache Pinot and real-time analytics accessible to all developers. He is a regular speaker at conferences and a presence on YouTube explaining complex technology topics in an accessible way. He tweets as @tlberglund. He lives with his wife and stepdaughter in Mountain View, CA, USA. He has three grown children and three grandchildren, with a fourth on the way.