Editorial

摘要

We would like to announce the following changes related to the editorial board and the policy of QUESTA:rn1. Soren Asmussen, Francois Baccelli, and Frank Kelly have kindly agreed to join the advisory board of the journal.rn2. Professors Mor Armony and Ward Whitt have decided to resign from the editorial board, because of other heavy duties.rnWard Whitt has been on the editorial board from the very first issue, back in 1986. We are extremely grateful to Ward for his persistently strong support for the journal and for the excellent work he has done.rnWe also thank Mor Armony for her editorial work for the journal, which was unfortunately short.