Peter Horan is the CEO of Goodmail Systems, Inc. Prior to Goodmail Systems, he was CEO of IAC Media & Advertising. Horan has also held CEO positions at AllBusiness.com and About.com, where he led the sale of that property to the New York Times Company for $410 million in March 2005. Before About.com, he served as president and chief executive officer of DevX.com, Inc., an Internet media company funded by Hummer Windblad Venture Partners that was later acquired by JupiterMedia Corporation.

Horan spent 10 years at International Data Group, a leading global technology media company, where he spearheaded relationships with top advertisers on a worldwide basis, and also served as senior vice president and publisher of Computerworld. Prior to that Horan spent more than 15 years in senior account management roles at leading advertising agencies, including BBDO and Ogilvy & Mather.