This article lists contributors to this issue and provides brief biographies of them.

Maiton Rian M. de Alcântara received a B.S. (2006) in geophysics from the Federal University of Pará. He started working towards an M.S. in reverse-time migration, but left for PGS, Rio de Janeiro in 2007. His interests include seismic modeling and imaging. He is a member of SBGf.

Dimitry Avdeev: See biography and photo in September-October 2006 GEOPHYSICS, p. Z87.

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