Black Opal Ventures
Actively deployingNew York · 20 people tracked
Investment thesis
The firm is founded on principles of collaboration, drive, trust, and authenticity. Eileen brings over 20 years of venture capital experience investing in companies like Twist Bioscience and Cerebras, along with senior roles at semiconductor and semiconductor-adjacent companies. Tara combines medical expertise as a physician with venture and executive experience, most recently as Chief Clinical Officer at Bind (acquired by UnitedHealth Group), and previously at McKinsey and Weill Cornell focused on value-based care.
Source: firm website, verified Jul 21, 2026.
Team · 20 people
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Eileen Tanghal has over 20 years of venture capital experience, including tenures at Amadeus Capital Partners, Applied Ventures, and In-Q-Tel, where she invested in companies such as Twist Bioscience and Cerebras. She previously held a senior leadership position at Arm and was an early employee at a successful semiconductor startup.
Tara Bishop is a physician and venture executive who most recently served as Chief Clinical Officer at Bind, driving growth that culminated in its acquisition by UnitedHealth Group. She previously held leadership positions at McKinsey and Weill Cornell, where she advanced value-based care models and policy initiatives.
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What they invest in
from 1 of 18 portfolio companiesAI & Machine Learning ×1Cloud Computing ×1Deep Tech ×1Hardware ×1
HQs:United States×1
Investments · 18 tracked
founders shown can be your intro pathEridu develops networking infrastructure optimized for artificial intelligence workloads. The company designs networking solutions to address the demands of AI systems that exceed the capabilities of existing infrastructure.
AI & Machine LearningCloud ComputingDeep TechHardwareSaratoga, US
Drew Perkins(CEO and founder)
Frequently asked questions
- Where is Black Opal Ventures located?
- Black Opal Ventures is headquartered in New York, US.
From the blog
visit blog ↗Black Opal Ventures recently hosted its inaugural Global Growth Event featuring healthcare and deep tech startups, and released its 2025 Impact Report showing a portfolio of 27 companies focused on solving challenges in healthcare, security, and resilient infrastructure through frontier technologies. AI summary