pitchwoman
/ˈpɪtʃˌwʊmən/originally and chiefly US
noun
Originally: a woman who sells gadgets, novelties, etc., especially on the street or in a fair. Now chiefly: a woman who delivers a sales pitch, especially on television; a promoter.
Origin
1920s; earliest use found in The New York Times. From pitch + woman, after pitchman.