Phased Array 2019, the 10th International Symposium on Phased Array Systems and Technology, will be held at the Westin Hotel in Waltham Massachusetts on Boston’s famous Route 128 Technology Highway. The symposium will present the most recent advances in phased array technology and provide a unique opportunity for members of the international community to interact with colleagues in the field of Phased Array Systems and Technology. It will include keynote and plenary sessions, parallel technical sessions, poster sessions, tutorials, and a student paper contest.