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Mark Rosenblatt, Founder and CEO at Rationalwave Capital Partners

Mark Rosenblatt

Founder and CEO @ Rationalwave Capital Partners

Mark Rosenblatt is a seed investor at Rationalwave Capital Partners focused on Software and Biometrics. Mark Rosenblatt is the Founder and CEO of Rationalwave Capital Partners. He attended Yale School of Management.

Total investments:
2
Last investment:
Lead investor:
50%

Last updated:

Industries Mark Rosenblatt invests in

SoftwareBiometricsHealth CareLife ScienceBiotechnology

Stages Mark Rosenblatt invests in

Seed

Countries Mark Rosenblatt invests in

IsraelUnited States

Contacts

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Investment Focus

Industry

  • Software 1 (50%)
  • Biometrics 1 (50%)
  • Health Care 1 (50%)
  • Life Science 1 (50%)
  • Biotechnology 1 (50%)
See all 13 industries →

Country

  • Israel 1 (50%)
  • United States 1 (50%)

Investments

CompanyDescriptionRoundLinks
BactoByte aims to empower caregivers with one-hour bacterial diagnostics and antibiotic screening capability to improve outcomes, reduce mis-diagnostics, and lower health care costs.Based on a proprietary novel basic method, BactoByte’s assay delivers precise and cost-effective identification and direct antibiotics susceptibility testing with80-90% improvement of standard turnaround time.Time reduction, sensitivity, and specificity results in decreased mortality rates, fewer hospital days, and avoidance of associated costs of $1K-50K per patient.BactoByte has technology validation and partnerships with leading medical centers. Seed / Jul 01, 2019
TypingDNA provides typing biometrics authentication as a service, enabling companies to recognize people by the way they type. The company's authentication technology compares how people type on their keyboards against previous recordings. Works on both mobiles and PCs. Headquartered in New York, United States, with offices in Romania, EU. $1.5M / Seed / Jan 31, 2019

Co-Investors

Rationalwave Capital Partners

About Rationalwave Capital Partners

VC Fund · Scarsdale, United States

Rationalwave Capital Partners is a venture capital firm investing in technology companies both public and private. The firm is located in New York and founded by Mark Rosenblatt in 2003.

Rationalwave Capital Partners Contacts

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Mark Rosenblatt
Mark Rosenblatt Founder and CEO

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Video Games
Clean Energy
Google
Construction
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Consumer
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Enterprise Software
Platforms
Travel
InsurTech
Oil and Gas
Retail
Social Impact
Cryptocurrency
Film
Payments
Photography
Email
CleanTech
Energy
Marketplace
SaaS
Restaurants
Organic Food
Fitness
Machine Learning
Health Care
Agriculture (AgTech)
Gaming
Facebook
Blockchain
B2B
Social Network
Education
Wellness
Medical Device
Mobile
Sports
Legal
Automotive
eSports
Biotechnology
Software
Renewable Energy
Theatre
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Recruiting
Web3
Medical
Infrastructure
Beauty
Fashion
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Social
LGBT
Cannabis
Climate
Celebrity
Wine and Spirits
Food and Beverage
Publishing
Life Science
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Sporting Goods
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Financial Services
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FAQ

What does Mark Rosenblatt invest in?

Mark Rosenblatt invests primarily in Software, Biometrics and Health Care startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

How do I contact Mark Rosenblatt?

Public channels for Mark Rosenblatt include LinkedIn. 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.

When did Mark Rosenblatt last invest?

The most recent investment recorded for Mark Rosenblatt closed in Jul 2019. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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