Biography
Katie McElhenney is a writer and producer. She has written episodes of It's Always Sunny in Philadelphia (2019–2021), Mythic Quest (2020–2023), High Potential (2025–2026) and Side Quest (2025), and served as producer on High Potential and executive producer (showrunner) on Side Quest.
She is the sister of actor and writer Rob McElhenney and sister-in-law of actor Kaitlin Olson.
