Pav Kumar-Chatterjee has been involved in DB2 support on mainframes since 1991, and DB2 UDB support on Intel/Unix platforms since 2000. Before joining IBM, he worked in the airline and financial industries throughout the UK and Europe. He has spoken on DB2/XML at conferences, teaches for IBM Learning Services in the UK, and is an IBM Certified Advanced Database Administrator for DB2 9 LUW. Matthias Nicola, senior software engineer for DB2 pureXML at IBM's Silicon Valley Lab, focuses on XML in DB2, including queries, indexing, storage, performance, scalability, and development. He works closely with IBM customers and partners to design, implement, and optimize XML solutions.