Acacia Parks is an Assistant Professor of Psychology at Hiram College and Chief Scientist of Happify, a website and app designed to help people live happier, more fulfilling lives through science-based games. She is a leading expert on the science of happiness – specifically, how people can most effectively improve their happiness. Her research focuses on self-help methods for increasing happiness via books, smartphones, and the World Wide Web. Acacia regularly publishes articles in scientific journals and has edited three books. She is also Associate Editor at the Journal of Positive Psychology. She is an active teacher, offering courses on positive psychology, as well as health psychology, abnormal and clinical psychology, research methods, and critical writing.