Affinity Biosensors
Santa Barbara, US · California LLC
AffinityBio develops LifeScale, a diagnostic system that uses population-profiling technology to identify Gram-negative bacteria in positive blood cultures and perform antibiotic susceptibility testing in roughly 4.5 hours. The system automates sample inoculation, incubation, reading, and reporting for clinical microbiology labs.
Founders & leadership
SM
Scott ManalisManager and Secretary
MP
Michael PfauSecretary
KB
Kenneth BabcockCEO
Board
LR
L. Robert JohnsonBoard director
JI
James IulianoBoard director
Reported raises · per SEC filings
Form D private placements$62.7M disclosed across 12 rounds · 2015–2026
▶$4MraisedJul 2026 · 9 investors · OtherRule 506(b)
▶$4MraisedJul 2026 · 9 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer
- L. Robert JohnsonDirector
- Jeffrey HawkinsDirector
- Charles MamrakDirector
- Offering amount
- $10M
- Amount sold
- $4M
- First sale
- Mar 2026
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$14.4MraisedDec 2024 · 27 investors · OtherRule 506(b)
▶$14.4MraisedDec 2024 · 27 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Michael PfauExecutive Officer
- L. Robert JohnsonDirector
- James IulianoDirector
- Kenneth BabcockExecutive Officer, Director
- Offering amount
- $15M
- Amount sold
- $14.4M
- First sale
- Nov 2024
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$3.7MraisedJun 2024 · 27 investors · OtherRule 506(b)
▶$3.7MraisedJun 2024 · 27 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Michael E. PfauExecutive Officer
- L. Robert JohnsonDirector
- James IulianoDirector
- Kenneth BabcockExecutive Officer, Director
- Offering amount
- $4M
- Amount sold
- $3.7M
- First sale
- Jun 2024
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$2.4MraisedMar 2024 · 12 investors · OtherRule 506(b)
▶$2.4MraisedMar 2024 · 12 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- L. Robert JohnsonDirector
- Kenneth BabcockExecutive Officer, Director
- James IulianoDirector
- Michael E. PfauExecutive Officer
- Offering amount
- $3M
- Amount sold
- $2.4M
- First sale
- Nov 2023
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$3.5MraisedOct 2023 · 17 investors · OtherRule 506(b)
▶$3.5MraisedOct 2023 · 17 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer, Director
- L. Robert JohnsonDirector
- James IulianoDirector
- Michael E. PfauExecutive Officer
- Offering amount
- $3.5M
- Amount sold
- $3.5M
- First sale
- Jul 2023
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$3.7MraisedFeb 2023 · 15 investors · OtherRule 506(b)
▶$3.7MraisedFeb 2023 · 15 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer, Director
- James IulianoDirector
- L. Robert JohnsonDirector
- Michael E. PfauExecutive Officer
- Offering amount
- $4M
- Amount sold
- $3.7M
- First sale
- Nov 2022
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$5MraisedNov 2021 · 21 investors · OtherRule 506(b)
▶$5MraisedNov 2021 · 21 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer, Director
- James IulianoDirector
- Michael PfauExecutive Officer
- L. Robert JohnsonDirector
- Offering amount
- $5M
- Amount sold
- $5M
- First sale
- Nov 2021
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$4.3MraisedNov 2020 · 21 investors · OtherRule 506(b)
▶$4.3MraisedNov 2020 · 21 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- James IulianoDirector
- Michael PfauExecutive Officer
- L. Robert JohnsonDirector
- Kenneth BabcockExecutive Officer, Director
- Offering amount
- $5.1M
- Amount sold
- $4.3M
- First sale
- Nov 2020
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlap
Affinity14 shared keywordsAffinity provides a platform for investment banking teams to accelerate mandate success and client relationship management through integrations with tools like Slack, Mailchimp, and Dropbox.
Affinity9 shared keywordsAffinity Solutions provides consumer purchase intelligence and spending analytics to brands, retailers, financial services, and investors. The platform measures real consumer transactions and behavior across retail, QSR, and other categories to enable campaign optimization, competitive analysis, and market strategy.
Companies competing with Affinity Biosensors for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Affinity Biosensors do?
- AffinityBio develops LifeScale, a diagnostic system that uses population-profiling technology to identify Gram-negative bacteria in positive blood cultures and perform antibiotic susceptibility testing in roughly 4.5 hours. The system automates sample inoculation, incubation, reading, and reporting for clinical microbiology labs.
- Who founded Affinity Biosensors?
- Affinity Biosensors was founded by Scott Manalis.
- How much funding has Affinity Biosensors raised?
- Affinity Biosensors has disclosed $62.7M raised across 12 rounds.
- Where is Affinity Biosensors headquartered?
- Affinity Biosensors is headquartered in Santa Barbara, US.