Along with that announcement, Discovery writer Michelle Paradise has been made co-showrunner for season three, working alongside Alex Kurtzman who took on that role on his own for the second season. Here's what Kurtzman had to say about that when talking to The Hollywood Reporter:
Michelle joined us midway through season two and energized the room with her ferocious knowledge of Trek. Her grasp of character and story detail, her drive and her focus have already become essential in ensuring the Trek legacy, and her fresh perspective always keeps us looking forward. I’m proud to say Michelle and I are officially running Star Trek: Discovery together.Naturally CBS have released a little announcement video for this news too: