Mary Pifer is an American psychologist, writer, and teacher known for her work on mental health, personal development, and support for vulnerable groups. Her books, including "Reviving Ophelia", "How to Help a Teenage Girl" and "Another Country", are devoted to issues of female psychology, intergenerational relations and social adaptation. Pifer captivates readers with a sensitive approach to important topics, emphasizing the importance of emotional well-being in difficult life circumstances.