In total, 34 million people now tune in to radio via a digitally enabled receiver – DAB, digital TV or online – each week.

In this week’s episode, host John Reynolds speaks with James Murphy and David Golding, founding partners of advertising agency Adam & EveDDB, famed for the John Lewis ads – which have just celebrated 10 years.

Leon Taviansky, who has been chief operating and financial officer since 2013, takes up the position of CEO after playing a “significant role” in transforming Exterion Media and driving growth.

Barber, whose role at Radiocentre is unaffected by the appointment, will provide strategic advice as the organisation develops its long-term vision to step up its offering and grow the business.

Klein will join the group executive leadership team and be responsible for Sky’s overall brand and marketing development.

Tristan Harris and Roger McNamee are both backing the campaign, which aims to inform and educate consumers on the harmful impacts that stem from the tech industry.

Justin Pearse will work alongside founding partners Andy and Lydia Oakes, and will take an equal share in the business.

The final session at Mediatel’s important new conference, The Future of Brands, is being led by global mobile agency Fetch and asks How can digital marketing deliver positive change?

The change in structure is designed to help brands win in the experience economy, said Tom Roberts, CEO.

Johnston will replace outgoing CEO and co-founder Sarah Wood, who announced in October she will be taking up the role of non-executive chair of Unruly’s board of directors.