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Assistant Brand Manager

TokyoFull-timePosted Oct 16, 2026

Job description

Assistant Brand Manager About Opella Opella is the self-care challenger with the purest and third-largest portfolio in the Over-The-Counter (OTC) & Vitamins, Minerals & Supplements (VMS) market globally. Our mission: to bring health in people’s hands by making self-care as simple as it should be for over half a billion consumers worldwide.

At the core of this mission is our 100+ loved brands, our 11,000-strong global team, our 13 best-in-class manufacturing sites and four specialized science and innovation development centers. Headquartered in France, Opella is the proud maker of many of the world’s most loved brands, including Allegra, Buscopan, Doliprane, Dulcolax, Enterogermina, Essentiale and Mucosolvan.

B Corp certified in multiple markets, we are active players in the journey towards healthier people and planet. Find out more about our mission to bring health in your hands at www.opella.com .

About the Job

Our Team The Assistant Brand Manager manages marketing activities of an assigned brand either with supervision by a brand manager or with delegated accountability from the Brand lead. The projects can include a whole range of marketing activities or some parts of them: new product development, brand strategy development, promotion activities such as advertising development, annual brand plan development, and management.

It is expected to collaborate with and potentially lead a functional brand team of R&D, regulatory, medical, trade & shopper marketing, finance, etc. It is expected that his/her activities meet the brand strategy and achieve the annual budget (P&L) and mid-long term plan. Main Responsibilities Core Brand / Business Activity Take responsibility for assigned projects: Mid-long term brand visions, goals, objectives, and strategy Annual budget – sales and profit Brand activities internally and externally Brand Management Take responsibility for assigned projects: Brand marketing plans to grow the business Sales results – drives a multi-function team NPD (New Product Development) Take responsibility for assigned projects: Product concepts – proposition and claims NPD management – scheduling, forecasting, internal approval, etc.

Package design Consumer research to define the project direction Contribution to the Team and Division Team Collaboration Leadership on a brand team, including B&I marketing, B&I shopper marketing, IPD (Innovation Planning and Development), and others Organization Process Lead and facilitate cross-functional projects to improve operational efficiency and capability Management and Economic Magnitude Organizational Structure Direct reports: 0 Total reports: 0 Comments: Depending on your level, an Associate Brand Manager is expected to support the brand manager in delivering results or to lead a cross-functional team on assigned brand projects, managing internal and external resources such as agencies.

Resources Business/function-specific measures: Sales Profit (P/L) Market sales Market share Interfaces Customer Hub (Sales/Trade), IPD (R&D), Medical Hub, Regulatory, SCM, CHC management, Global Strategic Marketing.

About You

Experience Project Management Marketing management – analysis, strategy, consumer communication planning Soft Skills Leadership and team management Agile and Independent Technical Skills Critical Thinking Problem-Solving Creativity Effective Communication (verbal and written) Accounting basics Basic statistics Education Academic education, preferably business administration Preferably in Marketing, Psychology, Behavior Science, Economics, or a related educational background Languages The ideal candidate for this position must be fluent in both English and Japanese, as they will be required to communicate effectively in a business setting in Japan and with regional stakeholders and participate in global business interaction

Description copied from Opella's careers page. Read the full posting before you apply.

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