Marcelo Mortensen Wanderley holds a Ph.D. degree from the Université Pierre et Marie Curie—Paris VI, Paris, France, on acoustics, signal processing, and computer science applied to music. His main research interests include gestural control of sound synthesis, input device design and evaluation, sensor design and data acquisition, and human–computer interaction. He has published several papers in various areas related to new interfaces for musical expression and is the coeditor, with Prof. M. Battier, of the electronic publication Trends in Gestural Control of Music. In 2003 Dr. Wanderley was the Chair of the International Conference on New Interfaces for Musical Expression (NIME03). In 2006, he co-authored (with Eduardo R. Miranda) the textbook “New Digital Musical Instruments: Control and Interaction Beyond the Keyboard”, A-R Editions, the first comprehensive reference on this area. He is currently Associate Professor in Music Technology at the Schulich School of Music, McGill University, Montreal, Québec, Canada.
Petri Toiviainen is a Professor of Music at the University of Jyväskylä. His research interests include the perception of rhythm and tonality and computational modelling thereof, music information retrieval, music visualization, and the connection between music and movement. He has published several articles on these topics, and is a member of the editorial board of several journals. He has been a visiting professor at Cornell University (1999-2000) and a residential fellow at the Center for Advanced Study in the Behavioral Sciences, Stanford University (2007-2008). Since January 2008, he is the head of the Finnish Centre of Excellence in Interdisciplinary Music Research, located at the universities of Jyväskylä and Helsinki.