 Her work for her last employer, Mortgage Dynamics, included securitization due diligence, contract review and technical writing.The blog Calculated Risk was started in 2005 by Bill McBride, a former technology executive who believed that the United States housing market was near its peak, and he posted articles and statistics to his blog to support his argument.Dungey started posting to the blog, using the pseudonym "Tanta", a family nickname, because she hoped to return to work in the mortgage business.