US tech company Astronomer says its chief executive Andy Byron has quit after a “kisscam” at a Coldplay concert caught him embracing a female co-worker. The viral clip showed Byron, a married chief executive of Astronomer, and Kristin Cabot, the firm’s chief people officer, hiding from the camera after they were seen hugging on a jumbo screen at the arena in Foxborough, Massachusetts. n18oc_world n18oc_crux