Tim Ellison is a senior technical staff member in the Java Technology Centre at IBM Hursley Park. He has contributed to the implementation of Smalltalk, IBM VisualAge Micro Edition, Eclipse and the Java SDK over a period of over twenty years. Tim's current focus is on Java SE and open source engineering in the Java platform, and is IBM's Java 8 principal technical leader. He speaks at conferences worldwide and is particularly interested in finding novel ways to apply new technology to difficult problems.