Tim Ellison is currently a Senior Technical Staff Member with IBM's Java Technology Centre in the UK. He has worldwide responsibility for Open Source Engineering in the Java SDK underpinning a broad selection of IBM's flagship products. He is a Member of the Apache Software Foundation, a PMC member of Apache Pirk, and has been a Vice President of the Apache Software Foundation and chair of the Apache Harmony Project. Tim is an emeritus team leader and committer at the Eclipse Foundation. Tim holds a BSc in Computer Science, and an MSc in Computer System Design from the University of Manchester. Tim has contributed to the commercial implementation of Smalltalk, IBM VisualAge Micro Edition, Eclipse, and the Java SDK over a period of over twenty years; and spoken internationally at many conferences such as ApacheCon, EclipseCon, JavaOne, jFokus, JAX, JavaZone, and more.