John Koenigsberg
John Koenigsberg is the EVP and Head of Platform Partnerships at Horizon Media.
Last updated Oct 7, 2026 by the ATDb Editorial Team
AI-drafted from public sources2 sources cited
Bio
John Koenigsberg is the EVP and Head of Platform Partnerships at Horizon Media. In his current role, he is responsible for advancing Horizon's competitive edge through an open, partner-enriched technology ecosystem, and he also leads HorizonOS Labs, Horizon's structured innovation engine that connects emerging technology partners with client business needs through disciplined experimentation and ecosystem development. His path at Horizon began with founding Big, Horizon's growth agency for early-stage brands, where he built go-to-market strategies alongside founders and engaged early AI-native use cases. Before joining Horizon, he led North America Strategy and Operations at VICE Media, directing monetization strategy across their multi-channel footprint and building cross-functional teams spanning media planning, social, ad operations, sales operations, and analytics over five years. Prior to VICE, he held key strategy roles at digital agency Razorfish, where he oversaw full-funnel media planning and activation for clients including Starwood Hotels and Citi. Source 1: martech-pulse.com — Horizon Media EVP & Head of Platform Partnerships John ... Source 2: globenewswire.com — Horizon Media Appoints John Koenigsberg to Lead New ...
Career
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