InMobi Advertising is a global technology leader helping marketers win the moments that matter. Our advertising platform reaches over 2 billion people across 150+ countries and turns real-time context into business outcomes, delivering results grounded in privacy-first principles. Trusted by 30,000+ brands and leading publishers, InMobi is where intelligence, creativity, and accountability converge. By combining lock screens, apps, TVs, and the open web with AI and machine learning, we deliver receptive attention, precise personalization, and measurable impact.

Through Glance AI, we are shaping AI Commerce, reimagining the future of e-commerce with inspiration-led discovery and shopping. Designed to seamlessly integrate into everyday consumer technology, Glance AI transforms every screen into a gateway for instant, personal, and joyful discovery.  Spanning diverse categories such as fashion, beauty, travel, accessories, home décor, pets, and beyond, Glance AI delivers deeply personalized shopping experiences. With rich first-party data and unparalleled consumer access, it harnesses InMobi's global scale, insights, and targeting capabilities to create high impact, performance driven shopping journeys for brands worldwide.

Recognized as a Great Place to Work, and by MIT Technology Review, Fast Company's Top 10 Innovators, and more, InMobi is a workplace where bold ideas create global impact. Backed by investors including SoftBank, Kleiner Perkins, and Sherpalo Ventures, InMobi has offices across San Mateo, New York, London, Singapore, Tokyo, Seoul, Jakarta, Bengaluru and beyond.

At InMobi Advertising, you'll have the opportunity to shape how billions of users connect with content, commerce, and brands worldwide. To learn more, visit

As the Director of Agency Sales, you will be a very strong entrepreneurial leader, responsible for driving sales from a portfolio of key agencies/ intermediaries, brands and direct clients across our customer base by creating and selling effective mobile advertising solutions that meet their needs across Japan. You will also participate in and actively shape InMobi Japan's sales strategy, go-to-market and execution plan & sales team management including meeting and exceeding revenue targets, quarterly targets and strategic objectives. You will be a key member of InMobi's Japan leadership team, actively shaping the business with your expertise, skills and leadership. Flexibility in style for different countries and cultures is a must. This role will report into the APAC head. 

Key Responsibilities:

• Lead the development of overall Japan Agency sales plan and strategy, working closely with other cross-functional teams
• Identify and close strategic advertising partnerships with leading brand advertisers or agencies/ intermediaries that help ensure long term success for the company
• Build strong relationships with Japan agencies – Dentsu/Hakuhodo/ADK/Cyberagent and establish InMobi as a partner of choice.
• Develop and grow repeat business from existing advertising customers, partners and agencies
• Must have or quickly develop senior-most agency relationships at leadership level in the region
• Manage agency and advertiser relationships to achieve quarterly revenue and monetization targets
• Work cross-functionally to articulate and develop new advertising opportunities that meet the needs of buyers and demand sources.
• Communicate effectively internally to align resources (product, engineering, business operations etc.) to help meet and exceed advertisers' needs that are critical to InMobi success in JP
• Entrepreneurial, self-motivating attitude and ability to lead a team positively
• Coach & mentor existing sales team and proactively problem solve around any challenges.
• Actively drive hiring of new sales team members & be responsible for full ramp-up/ training. 

Key Requirements: 

• Experience: 10+ years of experience in digital media advertising sales
• Education: BSc/ BA required; MBA preferred
• Industry Type: Mobile/ Digital Media/ Agency Sales; Advertising Sales
• Strong Sales Experience & proven versatility in problem solving with extensive contacts across the industry in Agencies/ ATD, DSP, Ad-Tech &/ or Advertisers
• Excellent communication & analytical mindset with a strong understanding of the digital ad marketplace 
• Native-level proficiency in Japanese, with strong working knowledge of English, is essential
• Prior client facing experience while owning revenue management for a product/ business line/ account/ geography
• Ability to work across different global cultures and in a matrix style environment
• Intermediate/ Advanced knowledge of MS Excel skills/ PowerPoint 

Nice to have: 

• Basic to medium proficiency in the ad-tech ecosystem of ad exchanges/ networks, DSPs, 1st and 3rd party audience targeting and technology, online measurement, ad-operations, delivery and measurement platforms. 

The InMobi Culture

At InMobi, culture isn't a buzzword; it's an ethos woven by every InMobian, reflecting our diverse backgrounds and experiences.

We thrive on challenges and seize every opportunity for growth. Our core values — thinking big, being passionate, showing accountability, and taking ownership with freedom — guide us in every decision we make.

We believe in nurturing and investing in your development through continuous learning and career progression with our InMobi Live Your Potential program.

InMobi is proud to be an Equal Employment Opportunity employer and is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the hiring process and in the workplace.

Visit  to better understand our benefits, values, and more