In the context of the input sentence, determine the relationship between 'Martin Shkreli' and 'Turing Pharmaceuticals'.
Options: position held, business division, parent organization, employer

News (Other OTC: NWSAL - news ) headlines proclaimed Turing Pharmaceuticals CEO Martin Shkreli the "most hated man in America," and he soon vowed to roll back the price, but did not say by how much.
employer