Stella Lane is a fictional character from the novel "The Kiss Quotient" by Helen Hoang. She is a successful woman in her thirties who works in the tech industry, specifically in the field of algorithms. Stella is portrayed as intelligent and driven, but she struggles with romantic relationships due to her autism spectrum disorder. In the story, Stella decides to hire an escort named Michael to help her gain more experience in dating and intimacy. This decision leads to unexpected emotional connections and personal growth, as Stella learns more about herself and what she truly desires in a relationship.