Peggy Klaus trains professionals worldwide at leading companies that include Credit Suisse, Disney, UNICEF, and Kaiser Permanente. Author of BRAG! The Art of Tooting Your Own Horn Without Blowing It , she is regularly featured in a wide range of media including the Today Show , 20/20 , BusinessWeek , the Wall Street Journal , the New York Times , and O Magazine . Klaus has lectured at Harvard; the University of California, Berkeley; and Wharton. She lives in Berkeley, California.