Tosa Partners

Tosa Partners, founded by Mak Fukumi, specializes in supporting U.S. startups successfully expand into the Japanese market with hands-on expertise in sales, channel and strategic partner development, marketing and market awareness, high-performing team building, and Go-to-Market strategy execution.

Japan GTM Services – Hands-On Execution

• Business Development & Strategic Partnerships – Driving channel partner development, alliances, and relationship management
• Customer Acquisition & Account Growth – Building new business opportunities and expanding existing customer accounts
• Marketing & Market Awareness – Executing digital, event, and content-driven campaigns to generate leads and brand visibility
• PoC Support & Customer Success – Providing pre-sales PoC guidance and ongoing local customer support
• Team Leadership & Country Management – Building, mentoring, and leading local teams to grow Japan operations

Industry Expertise

• Cybersecurity, XDR, CNAPP
• IDaaS, IAM, AI TRiSM
• Agentic AI, Generative AI
• SaaS

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