Dear colleague, Having a professional editorial board, the newly launched and peer reviewed journal "*Advances in Operator Theory (AOT) *publishes papers with deep results, new ideas, profound impact and significant implications in operator theory and related topics. It is published (free of charges for authors and readers) by the Tusi Math. Research Group, which is the publisher of *Banach J. Math. Anal.* and *Ann. Funct. Anal.* The website of journal for online submission is *http://aot-math.org/ <http://aot-math.org/>* Best wishes, M. S. Moslehian Editor-in-chief