Richard Edelman joins the Echo Chamber for a brief interview about his firm's disappointing growth in 2017, amid sustained market pressure. He discusses the firm's transformation, the impact of bringing advertising people in to run operations, the continuing benefits of scale, industry ethics and the Burson Cohn & Wolfe merger. Then former H+K Strategies EMEA CEO Sally Costerton joins Arun Sudhaman to explore the exit of Sir Martin Sorrell, his impact on his PR firms, and the group's future prospects.

Show notes:

Could WPP Sell Its PR Firms? M&A Specialists Weigh In

Edelman Revenue Up 2.1% In 2017 To $894m