Yoko Isobe

Yoko Isobe is an active venture capitalist currently serving as a Venture Partner at 15th Rock Ventures, an investment firm operating within the broader technology and startup ecosystem. In her capacity at the firm, she works closely alongside Founder and General Partner Takeshi Minamoto to identify, evaluate, and execute emerging investment opportunities across the private market. As a Venture Partner, Isobe contributes to the strategic direction of the fund by leveraging her network to source prospective portfolio companies and provide operational support to existing investments. Although her specific sector focus and historical portfolio metrics remain undisclosed, her primary activities are centered on deploying capital into growing early-stage technology enterprises. Isobe’s current professional focus remains dedicated to expanding the overall investment footprint of 15th Rock Ventures and advising emerging startup founders navigating the venture capital landscape.