Social researcher and international speaker Shaunti Feldhahn is the author of many groundbreaking books, including For Women Only, For Men Only, The Male Factor, and The Surprising Secrets of Highly Happy Marriages, which have sold more than two million copies in twenty-four languages.

Shaunti earned her master's degree at Harvard University and worked on Wall Street and Capitol Hill before developing an innovative research method to deliver insights about personal and work relationships that most people miss. Shaunti's findings are regularly featured in media as diverse as The New York Times and Patheos, Cosmo and iMom.

Shaunti's husband Jeff is the founder of World2One, a disruptive pro-privacy marketing technology. The Feldhahns live in Atlanta with their teenage daughter and son, and two cats who think they are dogs.