Gavin's new role is part of a string of promotions at the agency.
Plus: Executive moves at Hill+Knowlton Strategies, Clarity PR and Fish Consulting.
Dentsu is leading much-diminished deal-making activity by volume.
Revenue for the holding company as a whole was up 2.2% organically in the period.
Stock market movement follows decline in revenues reported last night.
New York-based strategic communications consultancy Intermarket has changed its brand name, following its recent acquisition by reputation management consultancy Lansons.
WPP's BCW was the incumbent on the account.
"We are accepting this painful situation in the short-term, to be better prepared for the future," says CEO and Chairman Arthur Sadoun.
Nationalism and protectionism are a worry, he told Campaign, hinting at a repositioning of investment in the world's second-largest economy.
WPP CEO Mark Read opened the H+K Strategies annual Creativity Symposium with an address about how PR can transform business, society and the individual.
BCW previously worked with Huawei in the U.S.
The firm's sports expertise set it apart in a search process that started this summer.
The deal adds 25 Arcus staff to W2O's medical and scientific comms team.
Astle was previously MD of China for the China-Britain Business Council.
The Silicon Valley shop favors embedded service for clients including Google, Facebook and Salesforce.
"I was like gum under his shoe," Richard Edelman said about efforts to court Yannis Kotziagkiaouridis to his agency.
The former WPP chief was justifying retaining his shares in the ad giant.
'Ignite' is a scalable, dedicated integrated communications offering for startups, entrepreneurs and SMEs that will drive business growth, according to the PR shop.
The Video Game Entertainment and News Network is launching next year.
Education comms specialist EdComs has been acquired by US social impact tech firm EverFi as part of plans to 'deploy critical education at scale internationally'.
Harassment policies are largely the same, but employee training and advice has evolved.
The people who shape others' reputations need to work on their own, according to the annual poll.
Forget the management consultancies for a second. Stars also want a part of the content marketing space.
PR firms are taking precautions to ensure the ideas they pitch aren't used without their consent.
In an increasingly casual culture, knowing what to wear to a client meeting can be a challenge.