Nested-Knowledge
St. Paul, US · Founded 2018 · Delaware corporation · 5 known investors
Find your way into Nested-Knowledge
302 people in our graph share verified history with the Nested-Knowledge team — schools, employers, funds. One of them is your warm intro.
Sam Kingunlockedknows Kevin Kallmes · together at Duke University School of Law (overlapped)
×3knows the team · via The National Institutes of Health
knows the team · via The University of North Carolina at Chapel Hill
knows the team · via University of Minnesota
×3knows the team · via Duke University School of Law
×2knows the team · via Sullivan & Cromwell LLP
Founders & leadership
Nested-Knowledge was founded in 2018 by Karl Holub, Keith Kallmes, and Kevin Kallmes.
KH
Karl HolubinCo-founderKarl Holub is cofounder and CTO of Nested Knowledge, which develops literature review software that enables users to search, extract, and structure clinical data.
KK
Keith KallmesinCo-founderFounder and President of Nested Knowledge, which transforms how clinicians and researchers interact with clinical outcome data through interactive visualization. Kallmes also serves on the boards of Piraeus Medical, Momease Solutions, and Superior Medical Experts.
KK
Kevin KallmesinCo-founderKevin Kallmes founded and serves as CEO of Nested Knowledge, which develops AI-powered clinical data aggregation and visualization software for pharmaceutical and healthcare outcomes research. He is also director of Piraeus Medical, a neurovascular device company, and board member of Superior Medical Experts, a medical writing and research services firm he established.
Board
TP
DK
Dheerendra KommalaBoard director
Investors · 5
Reported raises · per SEC filings
Form D private placements$6.1M disclosed across 6 rounds · 2019–2025
▶$4.2MraisedJan 2026 · 39 investors · OtherRule 506(b)
▶$4.2MraisedJan 2026 · 39 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Karl HolubExecutive Officer, Director
- Keith KallmesExecutive Officer, Director
- Tomas PhilipsonDirector
- Kevin KallmesExecutive Officer, Director
- Dheerendra KommalaDirector
- Offering amount
- $4.3M
- Amount sold
- $4.2M
- Minimum investment
- $100
- First sale
- Dec 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1MraisedJan 2024 · 1 investors · OtherRule 506(b)
▶$1MraisedJan 2024 · 1 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Karl HolubExecutive Officer, Director
- Dheerendra KommalaDirector
- Tomas PhilipsonDirector
- Keith KallmesExecutive Officer, Director
- Kevin KallmesExecutive Officer, Director
- Kathryn CowieExecutive Officer
- Offering amount
- $1.5M
- Amount sold
- $1M
- Minimum investment
- $5K
- First sale
- Dec 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$25KraisedFeb 2023 · 1 investors · OtherRule 506(b)
▶$25KraisedFeb 2023 · 1 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Keith KallmesExecutive Officer, Director
- Keith KallmesExecutive Officer, Director
- Karl HolubExecutive Officer
- Offering amount
- $700K
- Amount sold
- $25K
- Minimum investment
- $5K
- First sale
- Feb 2023
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$800KraisedJun 2021 · 6 investors · OtherRule 506(b)
▶$800KraisedJun 2021 · 6 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Keith KallmesExecutive Officer, Director
- Kevin KallmesExecutive Officer, Director
- Offering amount
- $1.5M
- Amount sold
- $800K
- Minimum investment
- $10K
- Proceeds to insiders
- $150K
- First sale
- Jun 2021
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$50KraisedDec 2019 · 2 investors · OtherRule 506(b)
▶$50KraisedDec 2019 · 2 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Keith KallmesExecutive Officer, Director
- Kevin KallmesExecutive Officer, Director
- Offering amount
- $250K
- Amount sold
- $50K
- Minimum investment
- $5K
- Proceeds to insiders
- $20K
- First sale
- Sep 2019
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$50KraisedMar 2019 · 2 investors · OtherRule 506(b)
▶$50KraisedMar 2019 · 2 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Keith KallmesExecutive Officer, Director
- Kevin KallmesExecutive Officer, Director
- Amount sold
- $50K
- Minimum investment
- $5K
- Proceeds to insiders
- $20K
- First sale
- Mar 2019
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlap
Netezza23 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Medpagetoday20 shared keywordsMedPage Today is a clinical news and information platform that provides independent coverage of medical research, healthcare policy, and professional development for U.S. healthcare practitioners. The platform publishes daily clinical news, conference coverage, investigative reports, and podcasts with strict editorial review and fact-checking standards.
Companies competing with Nested-Knowledge for the same Google search keywords, organic and paid, via search-intersection analysis.
Non-dilutive funding · 1 SBIR/STTR award
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2020 | $196.2K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- Who founded Nested-Knowledge?
- Nested-Knowledge was founded by Karl Holub, Keith Kallmes, Kevin Kallmes in 2018.
- Who are Nested-Knowledge's investors?
- Nested-Knowledge's investors include Great North Ventures, GROOVE CAPITAL, MEDA Ventures, Pasadena Angels, Teamworthy Ventures.
- How much funding has Nested-Knowledge raised?
- Nested-Knowledge has disclosed $6.1M raised across 6 rounds.
- Where is Nested-Knowledge headquartered?
- Nested-Knowledge is headquartered in St. Paul, US.