Herb Greenberg (born June 8, 1952 in Miami, Florida) is an American journalist.
In November 2014 he started a new investment research firm called GVB Research, which was subsequently renamed Pacific Square Research.
He had rejoined TheStreet on August 16, 2013 as a commentator and editor of Herb Greenberg's Reality Check newsletter.
He also continues as a contributor for CNBC, where Greenberg had been senior stocks commentator since June 2010.
Prior to joining CNBC, Greenberg left journalism to start a stock research firm with Debbie Meritz, an analyst and accountant.
The firm, GreenbergMeritz Research & Analytics, was subscription-only and was targeted to institutional investors, investment banks and accounting firms.
Before starting his research firm, Greenberg was a columnist and blogger for MarketWatch.com and a former columnist for The Wall Street Journal.
He had also been a contributor to CNBC, having appeared regularly on a variety of shows.
During the first year of Mad Money, he was a show regular, battling host Jim Cramer in a weekly segment called, "East vs.