15th Rock Ventures

High-Level Overview

15th Rock Ventures is a Tokyo-based venture capital firm with a bold mission: to help humanity transcend its limits by investing in emerging technologies that augment human capabilities. The firm’s investment philosophy centers on backing early-stage startups in sectors like robotics, electronics, AR/VR, brain-machine interfaces, biotechnology, and IT—fields that promise to reshape the future of human experience. By focusing on hardware and software innovations, 15th Rock aims to turn once-fantastical dreams—such as mind-controlled devices, enhanced longevity, and invisibility—into tangible realities. Their impact on the startup ecosystem is marked by a willingness to support visionary founders pushing the boundaries of science and technology, particularly in Japan and the United States.

Origin Story

Founded in 2019, 15th Rock Ventures emerged from a growing recognition that the next wave of technological progress would be defined by human augmentation and the convergence of deep tech with consumer applications. The firm was established by a team of principals and advisors, including Hiroki Nakajima and Saikou Lin, who brought together expertise in technology, venture capital, and innovation strategy. Over time, 15th Rock has evolved from a regional player to a globally recognized investor, expanding its reach and deepening its focus on technologies that not only advance human potential but also redefine the way people interact with the world around them.

Core Differentiators

• Human Augmentation Focus: 15th Rock distinguishes itself by prioritizing investments in technologies that directly enhance human capabilities, from mind-machine interfaces to biotech breakthroughs.
• Deep Tech & Consumer Service 3.0: The firm targets the intersection of deep science and next-generation consumer services, supporting startups that blend cutting-edge research with real-world applications.
• Global Network: With a strong presence in both Japan and the U.S., 15th Rock leverages cross-border connections to facilitate international growth for its portfolio companies.
• Visionary Backing: The firm is known for supporting founders with ambitious, long-term visions, often at the seed or pre-IPO stage, providing not just capital but strategic guidance and ecosystem access.
• Track Record in Emerging Sectors: 15th Rock has built a reputation for identifying and nurturing startups in high-potential, rapidly evolving fields such as robotics, AR/VR, and biotechnology.

Role in the Broader Tech Landscape

15th Rock Ventures is riding the wave of the human augmentation revolution—a trend fueled by advances in AI, neuroscience, and biotechnology. The timing is critical, as society increasingly seeks solutions to extend human lifespan, enhance cognitive and physical abilities, and create seamless interactions between humans and machines. Market forces such as aging populations, rising healthcare costs, and the demand for immersive digital experiences are accelerating the adoption of these technologies. By investing in startups at the forefront of these trends, 15th Rock is helping to shape a future where technology is not just a tool, but an extension of human potential.

Quick Take & Future Outlook

Looking ahead, 15th Rock Ventures is poised to play an even greater role in the global deep tech ecosystem as human augmentation technologies mature and gain mainstream acceptance. The firm’s focus on visionary founders and transformative technologies positions it to influence the next generation of innovation, from mind-controlled devices to breakthroughs in longevity and biotech. As the boundaries between humans and machines continue to blur, 15th Rock’s investments will likely drive the development of products and services that redefine what it means to be human. Their journey—from supporting early-stage startups to shaping the future of human augmentation—mirrors the broader shift toward a world where once-crazy dreams become everyday realities.