It is our great pleasure to welcome you to the annual IEEE International Conference on Ultra-Wideband (ICUWB 2013) which is being held in Sydney Australia from the 15th to 18th of September 2013. ICUWB 2013 will feature guest Keynote speakers Prof. Robert Scholtz, Professor of Engineering for the Viterbi School of Engineering, from University of Southern California; Dr Jim Lansford, Fellow, from Global Standards for CSR Technology Inc.; Prof. Ryuji Kohno, Professor at Yokohama National University, Japan, CEO for the University of Oulu Research Institute Japan, and Finnish Distinguished Professor for the Centre for Wireless Communications, from University of Oulu; and Prof. Stan Skafidas, Director for the Centre for Neural Engineering, from University of Melbourne. ICUWB 2013 follows more than 10 years of highly successful international UWB conferences held annually in cities including Syracuse, New York (2012), Bologna, Italy (2011), Nanjing, China (2010), Vancouver, Canada (2009), Hannover, Germany (2008), Singapore (2007), Waltham, USA (2006), Zurich, Switzerland (2005), Kyoto, Japan (2004), Reston-VA, USA (2003), Oulu, Finland (2003) and Baltimore, USA (2002). The 2013 host city Sydney will provide the perfect setting for ICUWB 2013. Sydney is known for its harbour lifestyle and fantastic beaches, which contribute to a relaxed environment that pervades the city and its visitors. Sydney was, of course, host to the 2000 Olympic Games and the 2003 Rugby World Cup. The conference committee has been working hard to ensure a high quality technical program, a well-run event and an exciting social program that will allow you to have a productive and memorable stay in this magnificent city. On behalf of the Executive Committee, we welcome you to Sydney.