Andy Byron, who has found himself at the center of a social media firestorm over a Coldplay concert video, was the CEO of a tech company named Astronomer. On July 19, the company announced that Byron has resigned in the wake of the scandal.

In an email to the Globe, an Astronomer spokesperson said that company leaders “are expected to set the standard in both conduct and accountability, and recently, that standard was not met.”

Pete DeJoy, Astronomer’s co-founder, has stepped in as interim CEO after Andy Byron’s resignation. Here are five key things to know about him.