GumGum is a contextual-first, global digital advertising platform that uses advanced AI  technology to serve captivating creative ads that drive consumer attention, without the use of personal data. At GumGum, we don’t need to know who you are to deliver relevant and engaging ads that align with your active frame of mind. We believe that a digital advertising industry based on context rather than personal data builds a more equitable and less invasive future for the internet and is better for consumers, publishers and advertisers alike. Our blueprint for the future, The Mindset Matrix™, combines the power of context and creative in digital advertising to deliver superior attention and drive consumer action without sacrificing personal data. 

To be a part of this next phase of digital advertising that prioritizes data privacy, please visit

We are seeking an ENTRY LEVEL Office Coordinator for GumGum Japan. The position is responsible for many important aspects of our office management, business coordination and some People functions for growing GumGum Japan. Reporting to the Managing Director in Tokyo, the position will provide day-to-day support to team members and leaders, including onboarding/offboarding, reporting, and performing regular onsite office duties. Office responsibilities include key business functions; reception, mail, administration assistance, and vendor relationship management. Additionally, this position is required to be in office 5 days a week given the following responsibilities:

What You'll Achieve

  • Office Administration
    • Plan, coordinate, and execute internal staff events, fostering team cohesion and a positive workplace culture while managing logistics such as venues, catering, and scheduling.
    • Oversee the day-to-day upkeep and workplace safety of the Tokyo office. 
    • Maintain a well-stocked and organized office environment by managing the inventory of snacks, drinks, and other supplies, ensuring that employees have access to necessary amenities.
    • Serve as the primary point of contact for incoming calls, directing and transferring calls to the appropriate personnel while maintaining a professional and courteous demeanour.
    • Assist in organizing and marketing local client meetings and events, ensuring seamless coordination and successful outcomes.
    • Provide valuable support to executive members, contributing to their efficiency and effectiveness in their roles. This may include administrative tasks, calendar management, and other support functions as needed.
  • HR & IT Support 
    • Collaborate with regional Talent Acquisition to support the interviewing and recruitment scheduling in the office
    • Assist with local payroll administration 
    • Support the onboarding and offboarding processes. 
    • Collaborate with the IT Team to maintain inventory levels of company hardware in the Tokyo office.
    • Any additional role-specific ad-hoc tasks as required by the company.

Skills You'll Bring

  • BA/BS degree or similar experience (we will consider recent University graduates as well!)
  • Proven working experience in general admin, office experience, marketing, event planning, or human resources (2+ years of experience preferred)
  • Native-level written and verbal communication skills in Japanese
  • Written and verbal communication skills in English
  • Strong interpersonal skills, good intuition, and the ability to communicate to all levels of the organization
  • Ability to prioritize workload, balance multiple tasks at once, and solid attention to detail
  • Excellent active listening
  • Proficiency in MS Office (PowerPoint/Excel/Word) and Google applications (Sheets/Slides/Docs)
  • An innovative problem solver who is proactive and loves to get things done
  • Highly self-motivated team player
  • Self organized and proactive

What We Offer

  • Learn about our benefits & perks package at If you'd like additional information, your recruiter can share more specifics during the hiring process!


  • Shortlisted for Marketing Technology Company of the Year for the 2023 Mumbrella Awards
  • 2024 Winner of 7 BuiltIn Awards on a national, regional, and remote scale - including Remote Best Places to Work at #25 and Best Midsize Places to Work in Los Angeles, CA at #9
  • Ad Exchanger Programmatic Power Player 2022 and 2021
  • CTO  Hero Award of OTT.X 2023
  • Digiday Media Awards Europe finalist 2022 and 2021
  • Finalist for the 2023 AdExchanger Awards Best Video Technology For Media Suppliers
  • Gold Award at the IAB Mixx Awards in Belgium in the “Best Use of Advertising Technology” category
  • The Drum Award Digital Advertising: Game-changing Technology for Domino's case study

GumGum is proud to be an equal opportunity employer. At GumGum, we believe in cultivating an environment where our team members can bring their authentic, whole selves to work. Encouraging identity and belonging is one of the many aspects of our culture that makes us stronger as an organization and drives innovation. We are committed to building and delivering a diverse, inclusive, and equitable workforce that is representative of the world around us, where all individuals are treated with respect and dignity - and to act swiftly if this value is ever threatened. We are constantly striving to be better, and we continue to take strategic steps to advance representation. - Phil Schraeder, CEO

Learn more about our DEIB programming at

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