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Excelsior Sciences

Biotech & Life Sciences · New York City, United States · Founded 2024

Modular chemistry for accelerated small molecule drug discovery MoreLess

Excelsior Sciences of New York is a biotechnology company focused on transforming small molecule therapeutic drug discovery. The company utilizes a modular chemistry approach, leveraging 'smart blocks' as the foundational elements for drug design and synthesis. This methodology enables automated chemistry, which, when coupled with automated testing, significantly reduces the design-make-test-analyze cycle to as little as two weeks.

The firm's process is designed to rapidly generate high-quality data, which is then used to leverage artificial intelligence and machine learning (AI/ML) for multiparameter optimization, creating closed learning loops to develop better medicines quickly. This automated approach also allows for the onshoring of integrated drug discovery, with all operations based in the U.S. Excelsior Sciences operates the "Lab of the Future" in New York City, a project supported by a $25 million grant from Empire State Development (ESD) and developed in partnership with Deerfield Management Company. This automated research facility is designed to set a new standard for early-stage life sciences research.

The company is led by CEO Michael Foley, PhD. The lab aims to serve businesses within New York, offering efficiency, quality, and intellectual property protection, thereby bolstering the state's life science ecosystem. The business model centers on providing accelerated drug lead discovery services and leveraging its advanced technology platform for partnerships within the pharmaceutical and biotech industries.

Keywords: small molecule drug discovery, modular chemistry, automated synthesis, AI in drug discovery, machine learning in pharma, preclinical research, therapeutic drug discovery, drug design, life sciences, automated testing, high-throughput screening, lead optimization, multiparameter optimization, smart blocks, drug development, biotechnology, pharmaceutical research, integrated drug discovery, Lab of the Future, preclinical development

Company overview

Excelsior Sciences company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2024
Headquarters
New York City, United States
Employees
26
Open positions
2
Dealroom signal
60.0
sub industryPharmaceuticalsub industryBioTechnologybusiness modelManufacturingbusiness modelSaaSindustryHealthsectorBiotechnologysectorDrug DevelopmentsectorCore AIsectorSpinoutsectorBiotech and PharmasectorAI Drug DiscoverysectorLab AutomationsectorDT and LSsectorscience-based

Valuation & funding

Excelsior Sciences funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
GRANTOther financing Dec 2025 $25M Empire State Development
SERIES AOther financing Dec 2025 $70M $280M Massachusetts Institute of Technology · Cornucopian Capital · Sofinnova Partners · Illinois Ventures
SPINOUTOther financing Jan 2024 $0 University of Illinois Urbana Champaign
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Growth signals

Excelsior Sciences website traffic

Latest recorded traffic for Excelsior Sciences is 3.2K monthly website visits, up 45.5% over the last three months. Excelsior Sciences's team grew 160% over the past year.

Latest monthly visits3.2K 3-month web change+45.5% 1-year team growth+160%
Monthly website visits8 observations · Dec 2025–Jul 2026
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Hiring

Open positions at Excelsior Sciences

Current openings linked to this company in Dealroom.

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Comparisons

Excelsior Sciences compared with similar companies

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Showing 8 of the closest matchesCompare every metric →

Talent graph

Excelsior Sciences's talent

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Team profiled 6 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

9 investors on Excelsior Sciences's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 1 investor entered at this stage
Empire State Development
Series A 7 investors entered at this stage
Sofinnova Partners
Khosla Ventures
Deerfield
Massachusetts Institute of Technology
Cornucopian Capital
Illinois Ventures
Eli Lilly
Other known 1 additional known investor
University of Illinois Urbana Champaign

Global footprint

Where Excelsior Sciences has talent and traffic

Workforce by country
3 countries with
team presence
🇺🇸 United States90%
🇮🇱 Israel5%
🇪🇸 Spain5%
3 countries shown

In the news

Latest news about Excelsior Sciences

Recent press, funding announcements, and product moves mentioning Excelsior Sciences — open to read from the original sources.

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Market sentiment

What the market is saying about Excelsior Sciences

An AI-synthesized read of the highest-engagement posts about Excelsior Sciences on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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