AS the number of submissions to the IEEE Transactions on Knowledge and Data Engineering (TKDE) and the diversity in topics keep increasing, TKDE needs fresh blood and strong hands. I am pleased to officially welcome the 13 associate editors who just joined the editorial board: Drs. Leman Akoglu, Hongrae Lee, Justin Levandoski, Xuelong Li, RosaMeo, Carlos Ordonez, Jeff Philips, Barbara Poblete, K. Selçuk Candan, Meng Wang, Jirong Wen, Li Xiong, and Wenjie Zhang. This group of newly appointed associate editors are established and active working experts in the wonderful wide spectrum of knowledge and data engineering.Moreover, they are very committed and dedicated to serving the community and handling the review processes, as testified by their rich experience. Their biographies and photos are provided below. At the same time, I want to sincerely thank Drs. Shivnath Babu, Sanjay Chawla, Xiaofei He, Daxin Jiang, Ruoming Jin, and Evaggelia Pitoura, who just retired from the editorial board of TKDE, for their significant contributions to the journal and the knowledge and data engineering community. Jian Pei Editor-in-Chief