Sybil Grieb

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Sybil Grieb

US Head of Influencer, Edelman

Drawing on over 12 years of experience as a digital media executive, Sybil serves as Head of Influencer Strategy and Programming at Edelman. She oversees 16 offices creating top quality integrated influencer programs for clients, leveraging all tiers of talent, from micro-influencers to top-tier creators, and has built collaborations across teams to amplify influencer content across owned, earned and paid media. 


Prior to joining Edelman, Sybil was Head of Digital Influencer and Brand Integrations at William Morris Endeavor, creating custom campaigns for brands and agencies across social media.


Sybil launched her digital career at ZAM Network (now Tencent) from 2005-2010 where she built and ran both the Ad Sales and Ad Operations teams, dramatically increasing advertising revenue across US and international. She was Head of Ad Sales and Ad Operations at OTTER Media’s Crunchyroll Network which included huge gaming networks SoloMid and MobaFire, as well as top eSports teams Team SoloMid and Cloud9.