Black Opal Ventures
Venture capitalActively deployingNew York · Seed–Late Stage · 28 people tracked
Also known as Black Opal Ventures Specialty · BLACK OPAL VENTURES, LLC
Find your way into Black Opal Ventures
1,505 people in our graph share verified history with the Black Opal Ventures team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Black Opal Ventures was founded by two MIT-trained partners who combined decades of experience in venture capital, deep technology, and healthcare. Eileen Tanghal brings over 20 years of venture experience investing in deep-tech and semiconductor startups, while Tara Bishop brings a career as a physician, executive, and healthcare investor advancing value-based care. The firm reflects their shared ambition to build a business grounded in collaboration, trust, and authenticity, applying their complementary expertise across technology and healthcare innovation.
Source: firm website, verified Sep 15, 2026.
Team · 28 people
from the firm's website & curated & public directories
What they invest in
from 14 of 24 portfolio companiesAI & Machine Learning ×8Healthtech ×6Deep Tech ×5Digital Health ×4Enterprise Software ×4Semiconductors ×3Cloud Computing ×2Hardware ×2
HQs:United States×10United Kingdom×1Italy×1
Who they back
founder profiles across 6 portfolio companiesWhere their founders studiedfrom 13 founders with education data
Cornell ×2Massachusetts Institute of Technology ×2Politecnico di Milano ×2
What their founders studiedfrom 12 founders with field-of-study data
Computer Science ×8Business & Management ×3Engineering ×3
Where their founders worked beforefrom 13 founders with career history
AMD ×5SeaMicro ×4Cerebras ×3Riverstone Networks ×2
Investments · 24 tracked
founders shown can be your intro pathBy year:2026 · 22025 · 32024 · 12023 · 22022 · 19 dated
Cerebras designs and manufactures wafer-scale AI processors and systems for data centers, enabling high-speed AI training and inference workloads.
AI & Machine LearningDeep TechHardwareSemiconductorsSunnyvale, US
Andrew Feldman(Chief Executive Officer and Co-Founder)inGary Lauterbach(Chief Technology Officer, Emeritus and Co-founder)inMichael James(Chief Architect, Advanced Technologies and Co-Founder)inSean Lie(CTO and Co-Founder)inJean-Philippe Fricker(Chief System Architect and Co-Founder)in
Co-investors2080 VenturesAurum Venture PartnersB CapitalCongruent VenturesDisruptive VenturesEclipse Ventures+13 more
Twist Bioscience develops a silicon-based synthetic DNA manufacturing platform that produces high-quality DNA, genes, and NGS reagents for customers in medicine, agriculture, and industrial chemicals.
BiotechDeep TechSemiconductorsSouth San Francisco, US
William Charles Banyai(Executive Officer, Director, Promoter)Bill James Peck(Executive Officer, Promoter)Emily Leproust(Founder)inEmily M. Leproust(Chief Executive Officer and Chair of the Board)inPatrick Finn(President and Chief Operating Officer)inAdam Laponis(Chief Financial Officer)in
Co-investors+ND Capital3E Bioventures CapitalARCH Venture PartnersAsset Management CompanyBay City CapitalDentsu Ventures+8 more
Eridu develops networking infrastructure optimized for artificial intelligence workloads.
AI & Machine LearningCloud ComputingDeep TechHardwareSaratoga, US
Drew Perkins(CEO and founder)inBrian Kinard(Executive Officer)in
BoardJagdeep Singh(Director)Dipender Saluja(Director)Wen Hsieh(Director)inChristian Gallagher(Director)
Co-investorsBosch VenturesCatapult VenturesMatter Venture PartnersOUP (Osage University Partners)Socratic PartnersZelda Ventures+13 more
AuthMind develops an AI-powered identity security platform that identifies and prevents identity access risks across on-premises and cloud applications, targeting enterprise organizations.
AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareBethesda, US
Shlomi Yanai(Co-Founder and CEO)inAnkur Panchbudhe(Co-Founder and CTO)inShlomo Yanay(Executive Officer, Director)Ankur Purushottam Parchbudhe(Executive Officer, Director)
BoardJacob Seid(Director)
Co-investorsBallistic VenturesCheyenne VenturesBlu Venture InvestorsK2 Access Fund
Thesis is an AI research lab that automates AI research and development through autonomous experimentation.
Advanced ManufacturingAI & Machine LearningDeep TechEnterprise SoftwareRoboticsSan Francisco, US
Sergio Charles(Founder/CEO)inLuigi Charles(Founder)in
Co-investorsY CombinatorCRV (Charles River Ventures)Oak HC/FT
Empatica offers an FDA-cleared health monitoring platform combining medical wearables and digital biomarkers to collect continuous, clinical-quality health data from daily life.
AI & Machine LearningDigital HealthHealthtechMedical DevicesCambridge, US
Rosalind Picard(Founder and Director of the Affective Computing Group at the MIT Media Lab and Faculty Chair, MIT Mind+Hand+Heart Wellbeing Initiative)inMatteo Lai(Executive Officer, Director)inSimone Tognetti(Director)inLen Picard(Executive Officer, Director)inMario Scuderi(Director)
Co-investorsCDP Venture CapitalRA CapitalSanofi Ventures
Healthier Capital is a venture capital firm that invests in technology-enabled healthcare companies seeking to reduce costs and improve care delivery.
Digital HealthFintechHealthtech
Amir Dan Rubin(CEO and Founding Managing Partner)in
Co-investorsModi VenturesDefine VenturesHealthier CapitalMacquarie CapitalMaverick VenturesOncology Ventures+2 more
Plug-and-play conversational AI platform enabling voice and chat interactions with information across digital channels.
Israel Krush(Founder & CEO)inRom Cohen(Founder)in
Co-investorsDefine VenturesDorm RoomEntrepreneurs Roundtable Accelerator (ERA)Hanaco Venture CapitalHealthier CapitalK20 Fund+7 more
ISAAC provides an active, non-invasive structural protection system based on a patented Active Mass Damper installed on building roofs to improve seismic safety and vibration control with real-time monitoring.
Construction TechIoTPropTech
Co-investorsAxon Partners GroupNovaCapitalAirAngelsB CapitalFlare Capital PartnersIndustry Ventures+3 more
Isaac Health provides virtual, interdisciplinary care for people experiencing memory and thinking changes, staffed by board-certified neurologists, geriatric specialists, neuropsychologists, speech-language pathologists, and care navigators.
Digital HealthHealthtechLongevity
Julius Bruch(Founder & CEO)inJoel Salinas(Founder)in
Co-investorsAurum Venture PartnersB Capital GroupB4 CapitalFlare Capital PartnersMeridian Street CapitalVU Venture Partners+4 more
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Political donor advising platform that directed over $37 million and 300,000 donations to 750+ candidates in 2024.
Brian Derrick(Founder)in
Co-investorsHigher Ground LabsMcKesson VenturesRackhouse Venture Capital
Optellum builds an AI-powered platform for early lung cancer diagnosis, helping thoracic care teams and health systems discover, track, and assess the malignancy risk of lung nodule patients.
AI & Machine LearningHealthtechMedical Devices
Co-investorsIntuitive VenturesIQ CapitalMercia VenturesOutsized Ventures
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Paragraf develops graphene-based electronic devices, including molecular sensors (electrolyte-gated field-effect transistors) for biosensing and chemical sensing, and Hall effect sensors for current, position, and magnetic field measurement at cryogenic temperatures.
Deep TechNew MaterialsSemiconductorsCambridgeshire, GB
Simon Thomas(Chief Executive Officer of the issuer.)in
Co-investorsAmadeus Capital PartnersCambridge Angels groupEMV CapitalIn-Q-TelIQ CapitalMartlet Capital+4 more
Thesis Care provides clinical support services to healthcare organizations using technology to enable high-value work at scale, helping improve patient outcomes and experience.
AI & Machine LearningDigital HealthEnterprise SoftwareHealthtech
Niren Gandra, MD(CEO, Co-Founder)Aditya Pandyaram(CPO, Co-Founder)inNiren Gandra(CEO, Co-Founder)in
Co-investorsCRV (Charles River Ventures)Oak HC/FT
TigerGraph provides a graph analytics platform designed to reveal relationships and connections across data that traditional analytics tools miss, supporting deep multi-hop queries.
AI & Machine LearningData & InfrastructureEnterprise SoftwareMilpitas, US
Co-investors11.2 CapitalCelesta CapitalCelesta CapitalDCVC (Data Collective)Eastlink Capital PartnersMundi Ventures+6 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
BlazeChamberConceivabeFlyteHealthGV20IntellihealthOutpaceParasailSequans
Exits · 2
2 IPOsCerebras SystemsNASDAQ: CBRSTwist BioscienceNASDAQ: TWST
Portfolio news
latest coverage across their companies
Cerebras Systems · blockonomi.com · Jul 17, 2026
Oath · trysignalbase.com · Jun 16, 2026
Healthier Capital · castleplacement.com · Jun 10, 2026
Darwin · undergraduateresearch.princeton.edu · Apr 17, 2026
Thesis Care · healthcareittoday.com · Apr 13, 2026
TigerGraph · tigergraph.com · Mar 3, 2026
Frequently asked questions
- How many investments has Black Opal Ventures made?
- Black Opal Ventures has 24 tracked investments, 2 of which have exited, including 6 dated in the last 24 months.
- What stage does Black Opal Ventures invest at?
- Black Opal Ventures invests at the Seed, Series A, Series B, Series C, Late Stage stages.
- What sectors does Black Opal Ventures focus on?
- Black Opal Ventures focuses on Biotech, Deep Tech, Digital Health, Enterprise Software, Healthtech, Medical Devices, SaaS.
- Where is Black Opal Ventures located?
- Black Opal Ventures is headquartered in New York, US.
- Who does Black Opal Ventures co-invest with?
- Black Opal Ventures most often shares deals with IQ Capital, Amadeus Capital Partners, DCVC (Data Collective), among 64 tracked co-investors.
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
Media · Podcasts & interviews
featuring the teamMedical Alley Starts: Ask Me Anything with Tara Bishop, Founder, Black Opal Ventures
Medical Alley · Tara Bishop
Images
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