David Mezzapelle was inspired to write this uplifting book based on his life's experiences and his own contagious optimism. He has influenced many people with h

Author and business leader David Mezzapelle, author of 2013's best-selling Contagious Optimism, is on a mission to get people to "power their lives with the pos

DIVShows how narratives of contagion structure communities of belonging and how the lessons of these narratives are incorporated into sociological theories of c

Broadcasting Happiness will "inspire you and change your life." —Parade Magazine We are all broadcasters. As managers, colleagues, parents and friends, we are

Psychologists have long been aware that most people maintain an irrationally positive outlook on life—but why? Turns out, we might be hardwired that way. In t