Reinaldo B. Arellano-Valle is a Professor of Statistics at the Pontificia Universidad Católica de Chile (PUC) in Santiago, Chile. He received his Ph.D. in Statistics in 1994 from the University of Sao Paulo, Brazil. He is an international leader in the field of multivariate statistics, an elected member of the International Statistical Institute (ISI), and has received the 2019 Mahalanobis Award from the ISI for outstanding research in multivariate statistics.

Marc G. Genton is the Al-Khawarizmi Distinguished Professor of Statistics at the King Abdullah University of Science and Technology (KAUST) in Saudi Arabia. He received his Ph.D. degree in Statistics in 1996 from the Swiss Federal Institute of Technology (EPFL), Lausanne. He is a fellow of the American Statistical Association (ASA), of the Institute of Mathematical Statistics (IMS), and the American Association for the Advancement of Science (AAAS), an elected member of the International Statistical Institute (ISI), and he has received multiple awards.