Members

Hoshi provides strategic leadership for global client operations across Carat, iProspect and Dentsu X.

With more than 25 years of experience, he advises multinational organisations on growth in Japan, helping them navigate market complexity and accelerate transformation.

His expertise spans brand strategy, media transformation, integrated communications, and the evolving role of data and technology in modern marketing.

As a workshop facilitator, panellist and speaker at industry events worldwide, he is recognised for shaping strategies that connect commercial ambition, consumer behaviour and organisational alignment to deliver sustainable long-term business value.

He has long served in General Manager and Executive Sponsor roles, leading global account management teams and strengthening cross-market collaboration for international clients.

Stephen has experience in operations and business development at dentsu Hong Kong and Google Hong Kong. He is currently part of the Integrated Solutions Office at Dentsu Japan International Brands, where he is responsible for building and managing partnerships with media partners in Japan and globally.

His mission is to deliver optimal and innovative media solutions to Dentsu group companies and clients. He is also actively involved in developing proprietary solutions that create distinctive value and help address clients’ business challenges.

After gaining experience at a digital advertising agency, Azusa joined Dentsu Japan International Brands Inc. in 2022. She has been responsible for managing global client accounts, leading initiatives from media planning through to campaign activation across both online and offline channels.

Leveraging her expertise in global media, she also serves as a member of the Integrated Solutions Office, where she focuses on building strategic partnerships with domestic and international media partners and driving the adoption of innovative media solutions.

He began his career in sales at a leading beverage company, then moved to the United States and shifted to digital marketing. Upon returning to Japan, he joined Carat, where he was engaged in a broad range of media work, both offline and online. Since joining Dentsu Digital, he has consistently specialized in global account management.

In addition, he concurrently holds positions in the Platform Division at Dentsu Digital, the Integrated Solutions Office at Dentsu Japan International Brands (DJIB), and the Dentsu Innovation Initiative (DII) Connect, promoting R&D for global platform partners.

Ayako is a Chief Director at Dentsu Innovation Initiative. She drives new business development in the global market and works towards creating the foundation for future businesses. In particular, she is responsible for talent development and education in the digital age, where workstyles and required skills undergo significant changes.

Worked in the PR Division before being seconded to Dentsu Digital, where he was involved in developing marketing strategies utilizing big data and creating CRM-related solutions. After returning to his original division, he led initiatives to promote in-house businesses, focusing on the development and operation of AI and app-based services. Joined DII in 2021 and is currently leading R&D and commercialization efforts for marketing technologies in global markets.

Engaged in brand and customer marketing at companies including L'Oréal, BMW, and Johnson & Johnson. From 2017, involved in launching GumGum’s business in Japan, driving the creation and expansion of the cookieless advertising market, before stepping into the current role in April 2022.

Started career as a fresh graduate at Nippon Lever (now Unilever Japan). After working at the strategic consulting firm Roland Berger, engaged in marketing and consumer insights at several global FMCG companies.

After studying architecture and exploring street art, started career as a Web Designer, later spending around 10 years at the brand marketing agency FICC as Head of Brand Marketing and Creative Director, driving consumer-facing business growth and supporting major brands.