John is known for his work as an Actor and Dialect Coach, on Orphan Black (2013), 11.22.63 (2016), Designated Survivor (2016), The Kennedys (2011), Falling (2020), Georgetown (2019), and the upcoming: Sex/Life (2021), Clarice (2021), Parker Andersons/Amelia Parker (2021). Also worked on Ubisoft games: Assassin's Creed: Odyssey (2018), Syndicate (2015), Origins (2017), Far Cry 5 (2018), (Watch Dog (2021).