The Goat Lady in Severance Season 2 is a character called Lush, played by actress Gwendoline Christie. She appears in Episode 3 and is shown to be the head of the Mammalian's Nurturable department ...

After Siegfried searches for Miss Grantley’s book — or, as Tristan does a great job calling it, “the goat lady’s Persian memoirs” — Siegfried finds it under Tristan’s papers ...