Seth is the Co-Founder & CEO of SocialMedia.com
He is also an angel advisor to a number of Web services companies such as Aggregate Knowledge, Lijit and Downfly. He was the first investor in Web 2.0 pioneer del.icio.us (now part of Yahoo!)
In 1995, he created SiteSpecific, one of the first Internet advertising companies.
He was Entrepreneur-in-Residence at Flatiron Partners from 1998-2000.
In 2002 Seth co-founded Majestic Research, a next generation Wall Street Research firm that provides leading hedge funds with proprietary data insights.
In 2005 he created Root Markets, the first financial exchange for Internet mortgage leads.
He recently moved from New York City to Marin California with his wife and their two sons.