Article continues below advertisementTech millionaire Andy Byron has officially stepped down as the CEO of Astronomer after his affair with staff member Kristin Cabot shocked the world on Wednesday, July 16."Andy Byron has tendered his resignation, and the Board of Directors has accepted. The Board will begin a search for our next Chief Executive as Cofounder and Chief Product Officer Pete DeJoy continues to serve as interim CEO," reads the statement from the company's press release.