Julia Moeller, Ph.D., is a postdoctoral researcher at the Yale Center for Emotional Intelligence and Yale Child Study Center. She studies emotion and motivation in workplaces and education, with a focus on passion and mixed feelings (e.g., stressful employee engagement, or motivating performance anxiety). Moeller is an expert of in-the-moment assessments of situational emotions and engagement with people’s own smartphone devices and collaborates internationally in projects that bring this technology to class rooms to make teaching and learning more personalized and emotion-oriented. She also investigates entrepreneurial passion, and the motivational needs of football players in university varsity teams and has provided motivation trainings to soccer teams. Originally from Germany, she has lived and conducted research in the US, Finland, and Brazil.