Summary: Eugenia Kuyda, CEO of Replika, displays a photo of her friend Roman Mazurenko who was killed in an auto accident in Moscow. His death inspired her to create an app that could offer human-seeming responses. Eugenia Kuyda, CEO of Replika, displays a photo of her friend Roman Mazurenko who was killed in an auto accident in Moscow. His death inspired her to create an app that could offer human-seeming responses.