He was one of the co-hosts of the National Public Radio afternoon news broadcast All Things Considered from 1987 until his retirement in January 2018.

[3] His maternal grandfather claimed to descend from rabbinical scholar Mordechai Yoffe,[4] and Siegel has identified on-air as Jewish.

In broadcasts prior to the Panama Canal Treaty debates, he was referred to as "Bob," rather than his preferred "Robert.

[9] Siegel has made cameo appearances in several television shows, including The Simpsons,[10] Northern Exposure, BoJack Horseman[11] and the film Yesterday Was a Lie.

[12] In 1973, Siegel married Jane Claudia Schwartz,[1] who worked for the United States Department of Commerce.