Ayumu S.

Japan GTM Manager at Yahoo (ex-Google) | Full-Stack Solutions Engineer & BizDev Lead | CRM & HubSpot Architect

Yahooex-Google

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I am a bilingual (JP/EN) Marketing Technologist, Strategic Connector with a robust professional network in the Japanese IT and Creative sectors, and CRM Consultant supporting global startups, SaaS companies, and SMEs entering or scaling in the Japan market.

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Leveraging a high-trust network within Japan’s Top-tier IT and Enterprise sectors (including Yahoo Japan, Google, and major agencies) to facilitate executive-level introductions and strategic alliances. My focus is on building efficient, data-driven go-to-market systems—integrating CRM, analytics, automation, and operational workflows to remove friction across teams. With 8+ years in digital strategy at a leading Japanese IT company and 5+ years as an independent consultant, I specialize in: HubSpot setup, automation & data integration (GA4, Ads, BigQuery, API workflows) CRM-driven marketing optimization & LTV/CAC improvement Japan-market localization for global companies Digital operations & onboarding systems for new teams Cross-functional enablement across Marketing / Sales / Product My approach is: fast implementation, lean operations, measurable outcomes. I work comfortably as a full-time team member, fractional specialist, or project-based consultant—depending on the stage and needs of the company. If you're expanding into Japan or building digital infrastructure for scale, I can help accelerate the process with clarity and speed. ✉️ Open to collaborations, consulting, or supporting new Japan offices.