Colin Sayers received a B.A. in physics from the University of Lancaster, UK, and a D.I.C. and Ph.D. in physics from Imperial College, London, UK. He has previously worked for Shell in the Netherlands and the UK and for Schlumberger in the UK and USA. He currently holds a position as Adjunct Professor in the Department of Earth and Atmospheric Sciences, University of Houston. He is a member of AGU, APS, EAGE, GSH, SEG, and SPE, a member of the Research Committee of SEG, and has served on the editorial boards of the International Journal of Rock Mechanics and Mining Science, Geophysical Prospecting, and The Leading Edge. In 2010 he presented the SEG/EAGE Distinguished Instructor Short Course “Geophysics under stress: Geomechanical applications of seismic and borehole acoustic waves.” In 2013 he was awarded honorary membership of the Geophysical Society of Houston “in recognition and appreciation of distinguished contributions to the geophysical profession.” He shared an award for best paper in The Leading Edge in 2013.