After a first career in the fast-paced corporate world, Marie-Josée Shaar made it her mission to reverse the current epidemics of sleep deprivation, obesity, depression, and physical inactivity. A Master of Applied Positive Psychology (MAPP) from the University of Pennsylvania, she is certified as a Nutrition and Wellness Consultant and as a Personal Trainer. Her clients and colleagues find that her joyful energy brings out their own strengths and positivity. She and her husband Rob find joie de vivre hiking, biking, scuba diving and entertaining friends over nice and healthy dinner parties. They divide their time between homes in Philadelphia and Montreal. Kathryn Britton, MAPP, is the Associate Editor of Positive Psychology News Daily. A professional coach, she has authored more than 70 articles and edited 2 books on applications of positive psychology to daily life. As a former software engineer, Kathryn is detail-oriented, yet creative and visionary at the same time. She teaches positive workplace concepts to graduate students in project management at the University of Maryland. She and her husband Ed raised their 2 children in Chapel Hill, North Carolina. They nourish their flame with ballroom dancing, hiking, reading aloud about science, and finding new ways to cook vegetables.