[WEBTOON] Account Manager

Company: WEBTOON Entertainment Inc.
Location: Los Angeles
Posted on: January 18, 2026

Job Description:

Job Description Job Description WEBTOON Entertainment is a leading global entertainment company and home to some of the world's largest storytelling platforms. As the global leader and pioneer of the mobile webcomic format, WEBTOON Entertainment has transformed comics and visual storytelling for fans and creators. With its CANVAS UGC platform empowering anyone to become a creator, and a growing roster of superstar WEBTOON Originals creators and series, WEBTOON Entertainment’s passionate fandoms are the new face of pop culture. WEBTOON Entertainment adaptations are available on Netflix, Prime Video, Crunchyroll, and other screens around the world, and the company’s content partners include Discord, HYBE, and DC Comics, among many others. This is a critical, hybrid role responsible for the successful execution and ongoing success of digital advertising campaigns for WEBTOON's top advertising clients. You will serve as the primary operational and client-facing lead post-sale, ensuring flawless campaign delivery, providing data-driven insights, and building strong relationships that drive renewal business. This role requires a unique blend of account management skills, technical Ad Operations expertise, and a drive for process optimization. Key Responsibilities: Client Relationship & Campaign Success Serve as the primary post-sale point of contact for top-tier brand partners and their agencies, managing communication and client expectations throughout the campaign lifecycle. Proactively monitor, optimize, and report on campaign performance, leveraging data and analytics to ensure client KPIs and internal benchmarks are met or exceeded. Gather key learnings and provide thoughtful recommendations to clients for future campaigns and program expansion. Draft necessary post-sale documentation, including Rules and Regulations, Influencer Agreements, and Insertion Orders (with Legal support). Work collaboratively with the wider US Ad Sales team on pre-sale initiatives, including participating in brainstorming sessions that align strategic ideas with client goals. Key Responsibilities: Campaign Execution & Ad Operations Support the tactical setup and management of campaigns, including ad trafficking for Display, Video, and Native Ad campaigns using our ad servers. Facilitate essential troubleshooting of ad tags and discrepancies between support teams and partners to ensure campaigns launch and run smoothly. Review all branded and advertising content (copy, influencer posts) to ensure quality, compliance with brand guidelines, and grammatical excellence. Manage the content posting process and maintenance of brand profiles related to live campaigns. Work cross-functionally to ensure all campaign commitments are delivered efficiently and effectively. Key Responsibilities: Operational Support & Analysis Leverage first-party data to analyze results and assist the broader organization with operational reporting and forecasting in collaboration with Business Operations and Finance. Support the Sales Lead with data and analytics needed to manage team Sales reports. Identify opportunities to streamline systems, operational efficiency, and workflows, providing valuable input on process changes and new tooling. Stay up-to-date on digital advertising and branded entertainment trends to inform execution strategies. Minimum Qualifications 5–8 years of demonstrated success in a sales, account management, or business development role, preferably selling digital media, programmatic, or advertising solutions. A solid understanding of the advertising campaign lifecycle from proposal and creative development through to technical operation, optimization, and reporting. Demonstrated ability to meet or exceed client success metrics and contribute to renewal business. Experience with branded content, native advertising products, and working directly with brands or agencies. Comfortable working with data and analytics to track success and make informed optimization decisions. Proficiency with Microsoft Excel and PowerPoint (or Google equivalents) for reporting, analysis, and proposal building. Exceptional communication, project management, and a strong client-first attitude. Bachelor's degree in Advertising, Marketing, Business Administration, or equivalent experience. Location Requirement: Must be a resident and legally authorized to work in Los Angeles, CA. Please note, the above range is listed in USD. What we offer (For Full-Time Only): * Career development; we believe in mentorship and investing in your learning, supporting you to achieve your goals * Health benefits, including vision and dental! * Generous PTO and Parental Leave Top-up * 401K Contributions * Commuter Benefits * Global WEBTOON and LINE FRIENDS discount program * Winter break shutdown and a whole lot more! With approximately 155 million monthly active users, WEBTOON Entertainment’s IP & Creator Ecosystem of aligned brands and platforms include WEBTOON, Wattpadthe world’s leading webnovel platformWEBTOON Productions, Studio N, Studio LICO, WEBTOON Unscrolled, LINE MANGA, and eBookJapan, among others. Join us and work with some of the biggest artists, IP, and fandoms in comics! WEBTOON We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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