Prior to joining ProPublica, Eisinger was the Wall Street editor of Conde Nast Portfolio, where he wrote a November 2007 cover story titled "Wall Street Requiem," in which he predicted the demise of Bear Stearns and Lehman Brothers. Before joining Portfolio, he worked at The Wall Street Journal, where he was the founding writer of two market commentary columns, and he played a leading role in exposing accounting fraud at Belgium-based Lernout & Hauspie. During his tenure at The Wall Street Journal's European edition in London, Eisinger won a "Best in Business" award from the UK-based World Leadership Forum for his coverage of accounting irregularities at the Irish drug maker Elan Corp. Earlier in his career, he covered biotechnology and pharmaceuticals for TheStreet.com and Dow Jones Newswires. Prior to that, he lived and worked as a journalist in Chile.
He lives in Brooklyn with his wife, the journalist Sarah Ellison, and their daughters.