In addition to leading Publicis.Sapient in Europe and Asia, Vaz will now be responsible for driving the global strategy and growth of DigitasLBi.

Betsy Fast will take on the newly created role of executive director of digital editorial strategy for Hearst Digital Media.

Snap is expected to raise up to $3 billion in an initial public offering on the New York Stock Exchange within the next few weeks, with analysts valuing the company between $20 and $25 billion.

The number of paying Guardian members has grown from 15,000 to 200,000 in the past year – with the newsbrand aiming for 1 million by April 2019.

The debut ad – the first of its kind – will air at 4.45pm today (2 Feb) alongside Channel 4’s own editorial announcements.

Clapp replaces Jan Gooze-Zijl, UKTV’s chief financial and operations officer, who was the previous UKTV Thinkbox board director.

Quantcast has made four new hires from Dentsu Aegis Network, The Exchange Lab and Havas Media to its global partnerships team.

Alex Debenham-Burton joins from MediaCom, where he has been head of media buying since 2012.

The inquiry will investigate how fake news is spread by addressing the responsibility of search engines and social media.

After five years in the role, the editor of the Evening Standard, Sarah Sands, is to join the BBC as editor of Radio 4’s flagship news and current affairs programme.