Black Opal Ventures
VC Fund
New York, United States
Black Opal Ventures is a VC fund in New York focused on Health Care and Artificial Intelligence. Black Opal is a venture capital investment firm.
- Total investments:
- 17
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Black Opal Ventures invests in
Stages Black Opal Ventures invests in
Countries Black Opal Ventures invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
3 more contacts available
Round size
- Seed
- $10M–$19M
- Series A
- $5.8M–$60M
- Series B
- $15M–$46M
Investment Focus
Industry
- Health Care 7 (41%)
- Artificial Intelligence 6 (35%)
- Medical Device 4 (24%)
- Medical 2 (12%)
- Software 2 (12%)
Stage
- Series A 8 (47%)
- Seed 4 (24%)
- Series B 3 (18%)
Country
- United States 10 (59%)
- United Kingdom 2 (12%)
- El Salvador 1 (6%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Eileen Tanghal
Managing Director
|
Managing Director | Total investments: 1 | Find email | |
Tara Bishop
Founder and Managing Director
|
Founder and Managing Director | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Kalogon
|
Kalogon is the trailblazer in smart seating, best known for developing innovative solutions that reduce the stresses of sitting and improve seated health. Serving healthcare, defense, and aviation, Kalogon’s patent-pending Advanced Pressure Management System (APMS) powers products with adaptive customizations, ambient adjustments, and personalizedsettings to enhance comfort, restore blood flow, and reduce fatigue for those who sit for extended periods.With four Medicare-coded products on the market, Kalogon leverages its core technologies and user-centered design process to create a strong market fit across multiple industries. Beyond healthcare, Kalogon partners with the U.S. Air Force and leading aviation clients to adapt its technologies for demanding environments, improving comfort, sustaining performance, and promoting healthy seated living. Headquartered in Melbourne, Florida and founded in 2019, Kalogon is on a mission to eliminate the stresses of sitting. | $5.8M / Series A / Jun 04, 2026 | |
Thesis Care
|
Trovo Health uses AI technology to provide comprehensive healthcare solutions, combining smart algorithms with professional human coaching to deliver personalized patient care. | $45M / Series A / Mar 25, 2026 | |
Chamber Cardio
|
Chamber Cardio is a healthcare platform enhances cardiovascular health services offering panel management, financial metrics, clinical data, software support, and value-based contracting, enabling patients and healthcare sectors to receive appropriate treatment. | $60M / Series A / Feb 04, 2026 | |
Roebling
|
Roebling is the first AI-native development stack: process design, cost estimation, and financial modeling all in one workspace, where projects are delivered on time and under budget. | $20M / Series A / Oct 30, 2025 | |
Oath Surgical
|
Oath Surgical is creating the surgical care of the future, one that is value-based by design, tech-powered, and led by surgeons. The first vertically integrated system that combines tech-first surgical centers with AI software. | $24M / Series A / Oct 06, 2025 | |
Ansa Biotechnologies
|
Ansa Biotechnologies is manufactured via a chemical method that has remained essentially unchanged for 35 years and has approached a plateau. Ansa Biotechnologies is developing a novel DNA synthesis technology based on enzymes that will be more fast, accurate, and clean than existing methods. The technique promises to dramatically accelerateinnovation in biological research and engineering. | $46.4M / Series B / Oct 01, 2025 | |
Isaac Health
|
Isaac Health aims to democratize access to specialist dementia prevention and management through a virtual membership platform. It features a program of neuropsychological assessments, neurology telemedicine consults and memory coaching. | $10.5M / Series A / Aug 14, 2025 | |
|
Oath Surgical
|
Oath Surgical is creating the surgical care of the future, one that is value-based by design, tech-powered, and led by surgeons. The first vertically integrated system that combines tech-first surgical centers with AI software. | $10M / Seed / May 14, 2025 | |
AuthMind
|
AuthMind is an identity security firm that identifies and prevents hidden identity risks through access neural network technologies. The company's platform takes an all-encompassing approach and provides continuous access to risk intelligence. | $19.3M / Seed / Apr 22, 2025 | |
Parasail
|
Parasail is an AI deployment networking company that provides AI products to builders and innovators for secure compute. | $10M / Seed / Apr 02, 2025 | |
| See all 17 investments → | |||
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FAQ
What does Black Opal Ventures invest in?
Black Opal Ventures invests primarily in Health Care, Artificial Intelligence and Medical Device startups, most often at Series A and Seed stage. Most of the 17 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Black Opal Ventures's check size?
Black Opal Ventures typically joins rounds of $10M–$19M at Seed, $5.8M–$60M at Series A and $15M–$46M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Black Opal Ventures participates in.
How do I contact Black Opal Ventures?
Public channels for Black Opal Ventures include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Black Opal Ventures?
The team at Black Opal Ventures includes Eileen Tanghal (Managing Director) and Tara Bishop (Founder and Managing Director). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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