Ross Bencina is a composer, performer, software developer and digital instrument maker, with a strong interest in improvised electroacoustic music. He has performed solo and with collaborators around Australia and internationally. He has recently performed at venues including Metṛnom in Barcelona, The Zoo in Manchester, and at the Queensland Music Festival. Since 2002, Ross and fellow composers Steve Adam and Tim Kreger have performed together as Simulus, an improvising electroacoustic ensemble. Ross is the creator of AudioMulch interactive music studio - software for electronic music performance. He is the founding developer of PortAudio, foundation software for real-time audio applications. Ross regularly gives presentations about his software and musical practice. He was a keynote speaker at the 2005 Australasian Computer Music Conference, and presented innovative AudioMulch developments at the 2005 New Interfaces for Musical Expression conference in Vancouver. Ross is a graduate of the La Trobe University Music Department (BA hons., 1995). In 2005, Ross completed one year as visiting researcher at the Music Technology Group, Pompeu Fabra University, Barcelona, where he contributed to the design and development of audio transformation technologies and musical instruments, including the reacTable* interactive music table. For the month of October 2005, Ross was a resident artist at STEIM in Amsterdam, a major international centre for the research and development of instruments and tools for performers in the electronic performance arts.