Beginning in 2006, Portnoy covered legal affairs and breaking stories for ABC News Radio.
He was also a regular host of Ahead of the Curve, a technology-based talk show on ABC News Now, the network's 24/7 digital TV platform.
[7] He helped lead the network's reporting on the 2024 presidential election, covered each of Donald Trump's criminal trials and makes regular appearances on the daily ABC News podcast, "Start Here."
In 2001, while a college student, Portnoy took first place at the Hearst Journalism Awards for his reporting on the economic downturn in the early part of the decade.
[9] In 2008, Portnoy was named a Peter Jennings Fellow at the National Constitution Center in Philadelphia.