Stephen G. Walker completed his Ph.D. in Statistics at Imperial College in 1995. He later joined The University of Texas at Austin in 2013, having previously held positions at the University of Kent, Bath, and Imperial College, in the UK. He is currently executive editor for Journal of Statistical Planning and Inference, and associate editor for Journal of the American Statistical Association, having previously been associate editor for Scandinavian Journal of Statistics, Statistica Sinica, and Annals of Statistics. He has received an EPSRC Advanced Research Fellowship, 2001–2006, and has been funded by the NSF. Dr. Walker's research is predominately in Bayesian methods, including nonparametric, asymptotics, computational and methodological and foundational. Other areas of interest include hypothesis testing, inequalities, matrix, and linear algebra.