Publisher Key Account Manager, Japan
Location: Tokyo · Category: Customer Success & Client Operations · Seniority: Mid-Level · Posted: July 9, 2026 · Verified: Sep 18, 2026
Role Overview & Description
About the company
Equativ
equativ.comProgrammatic adtech platform spanning SSP, DSP, retail media and CTV.
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About Equativ Founded in 2001 in Paris, Equativ has grown into a global independent ad tech platform enabling advertisers and media owners to achieve better business outcomes through programmatic, CTV, and retail media solutions. Backed by 750+ employees across 19 countries, Equativ combines global scale with privacy-first innovation About Equativ Japan KK Founded in February 2025, Equativ Japan K.K. is based at WeWork KDX Toranomon. Our team of eight reflects a diverse, multicultural environment, with English and Japanese as our primary working languages. We currently observe a work-from-home policy on Wednesdays, which will extend to both Wednesdays and Thursdays from September 1. Equativ Japan K.K. currently serves more than 20 premium publishers in Japan, including Kodansha, Shueisha, Hearst Fujingaho, Condé Nast, Sankei, Magazine House, Shogakukan, Yomiuri, and Asahi Shimbun, as well as broadcasters such as TBS and KTV. Our unique value proposition is rooted in a strong commitment to transparency, ensuring fair value for publishers while driving meaningful incremental premium demand. This is supported by deep expertise in high-growth formats, including mobile interscroller, CTV, gaming, and more.
Oversees operations and strategy for Condé Nast's Japan market, focusing on programmatic advertising and retail media partnerships. Requires expertise in digital publishing and ad tech.
Owns a book of 5-15 advertiser accounts end-to-end, driving top-line revenue growth by tuning ROAS targets per offer, geo, and OS. Uses Hex, Amplitude, and Looker Studio daily to analyze performance and translate between commercial and technical teams. Responsible for proactive account management, debugging cost-data drift, and documenting process improvements.
Equativ is one of the largest and most innovative independent advertising technology (ad tech) platforms globally. By joining our team, you will be part of a company that is transforming the digital advertising landscape, offering transparent and efficient solutions that connect advertisers and publishers. You will work in a dynamic, collaborative environment with cutting-edge technology, where you will own a portfolio of strategic accounts in LATAM and your talent will have a direct impact on the digital ecosystem. As Key Account Manager, you will be the single owner of your accounts across the full campaign lifecycle on Maestro, our curation and activation platform: from campaign creation and strategy setup, through optimization and support, to reporting and the presentation of results. You replace fragmented handoffs with true end-to-end account ownership.
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