Bob Arnot is host of the Dr Danger reality TV series, author of ten books on nutrition and health topics and previously medical and foreign correspondent for NBC Nightly News. He was let go from NBC, allegedly for complaining about biased coverage of the war in Iraq.
In 2008 Arnot appeared in an infomercial for the "Rosetta Stone" language learning software and in 2010 hosted an infomercial for the "30 Second Smile" electric toothbrush. He is the CEO of Bob Arnot Productions, a high-definition video production company specializing in global reporting and outreach programming.