Golin will lead Twitter North America's consumer brand and product communications, including earned storytelling strategy across print and digital media, social and influencer work.
The Winklevoss twins are also among BlockFi's early investors.
The appraisals will help companies get the most out of their comms and marketing campaigns, the platform said.
Google has promoted Lily Lin to VP of communications and public affairs.
Fourteen million students and alumni use the platform.
The group has been one of chief communications officer Anne Marie Squeo's top priorities.
Zeno Group is the incumbent on the bulk of Salesforce's communications work.
'Unbelievable, look what just fell out of the sky,' one resident says.
The platform allows brands to tap into a firehose of creativity, but it's not without controversy.
Away designs and manufactures high-end luggage.
The short-form mobile video app has faced a wave of negative press this year.
He previously led PR for Amazon Entertainment.
Another chief communications officer at the WeWork parent has exited the company.
WPP's BCW was the incumbent on the account.
Clyne is also a veteran of Eastwick and Herrick Media.