The newly expanded ad sales team will sell TV advertising across the BBC's pay-TV channels BBC America and BBC World News, previously handled by Discovery Communications.
Additionally, the team will sell to US clients ads around the international version of the BBC's website, BBC.com, the fifth-largest US online broadcast news site. It recently introduced advertising for the first time.
BBC Worldwide added it plans to launch "a host" of new websites this year.
The BBC's North American ad sales operation is to expand across the US, with a string of appointments and new offices in New York, Chicago and Los Angeles.
Among the new hires, who report to Mark Gall, senior vice-president BBC America and BBC Digital Media Sales, Brian Matthews joins from NBC Digital to become vice-president advertising sales, East Coast.
Mark Richardson, previously with The Weather Channel, has been appointed vice-president advertising sales, Midwest, and Charles Douglass, from CNN Networks, has been appointed vice-president advertising sales, West Coast.
In addition, eleven account executives for TV and online have joined Gall's expanded team.
The sales operation aims to target the BBC's core viewers and users in the adult 18 to 49 demographic by working with US national ad agencies to create TV and digital ad campaigns.
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